Costa Cruise Lines Costa Diadema Cruise Itineraries

Select an upcoming Costa Diadema cruise itinerary list below to find a Costa Diadema sailing itinerary by cruise area or departure port.

Group Cruises by:   Destination  |  Date  |  Cruise
Mediterranean
09/24/2025
2 Night Mediterranean Cruise
on the Costa Cruise Lines Costa Diadema departing from Savona, Italy
Interior
Oceanview
Balcony
Suite
$397
$497
$637
-
09/24/2025
3 Night Mediterranean Cruise
on the Costa Cruise Lines Costa Diadema departing from Savona, Italy
Interior
Oceanview
Balcony
Suite
$437
$577
$787
$887
09/26/2025
3 Night Mediterranean Cruise
on the Costa Cruise Lines Costa Diadema departing from Barcelona, Spain
Interior
Oceanview
Balcony
Suite
$428
$568
$778
$1,363
09/23/2025
4 Night Mediterranean Cruise
on the Costa Cruise Lines Costa Diadema departing from Marseille, France
Interior
Oceanview
Balcony
Suite
$559
$739
$1,019
$1,804
09/23/2025
4 Night Mediterranean Cruise
on the Costa Cruise Lines Costa Diadema departing from Marseille, France
Interior
Oceanview
Balcony
Suite
$559
$739
$1,019
$1,804
09/23/2025
4 Night Mediterranean Cruise
on the Costa Cruise Lines Costa Diadema departing from Marseille, France
Interior
Oceanview
Balcony
Suite
$559
$739
$1,019
$1,804
09/24/2025
4 Night Mediterranean Cruise
on the Costa Cruise Lines Costa Diadema departing from Savona, Italy
Interior
Oceanview
Balcony
Suite
$557
$737
$1,017
$1,147
09/29/2025
5 Night Mediterranean Cruise
on the Costa Cruise Lines Costa Diadema departing from Barcelona, Spain
Interior
Oceanview
Balcony
Suite
Contact cruise line for pricing & availability
10/24/2025
5 Night Mediterranean Cruise
on the Costa Cruise Lines Costa Diadema departing from Cadiz, Spain
Interior
Oceanview
Balcony
Suite
Contact cruise line for pricing & availability
09/29/2025
6 Night Mediterranean Cruise
on the Costa Cruise Lines Costa Diadema departing from Barcelona, Spain
Interior
Oceanview
Balcony
Suite
Contact cruise line for pricing & availability
09/27/2025
10 Night Mediterranean Cruise
on the Costa Cruise Lines Costa Diadema departing from Marseille, France
Interior
Oceanview
Balcony
Suite
$1,421
$1,631
$2,221
-
09/28/2025
10 Night Mediterranean Cruise
on the Costa Cruise Lines Costa Diadema departing from Savona, Italy
Interior
Oceanview
Balcony
Suite
$1,419
$1,629
$2,219
$2,499
09/29/2025
10 Night Mediterranean Cruise
on the Costa Cruise Lines Costa Diadema departing from Barcelona, Spain
Interior
Oceanview
Balcony
Suite
$1,409
$1,619
$2,209
$3,154
10/05/2025
10 Night Mediterranean Cruise
on the Costa Cruise Lines Costa Diadema departing from Malaga, Spain
Interior
Oceanview
Balcony
Suite
Contact cruise line for pricing & availability
10/07/2025
10 Night Mediterranean Cruise
on the Costa Cruise Lines Costa Diadema departing from Marseille, France
Interior
Oceanview
Balcony
Suite
$1,476
$1,686
$2,276
$2,566
10/08/2025
10 Night Mediterranean Cruise
on the Costa Cruise Lines Costa Diadema departing from Savona, Italy
Interior
Oceanview
Balcony
Suite
$1,474
$1,684
$2,274
$2,564
10/09/2025
10 Night Mediterranean Cruise
on the Costa Cruise Lines Costa Diadema departing from Barcelona, Spain
Interior
Oceanview
Balcony
Suite
$1,464
$1,674
$2,264
-
10/15/2025
10 Night Mediterranean Cruise
on the Costa Cruise Lines Costa Diadema departing from Malaga, Spain
Interior
Oceanview
Balcony
Suite
Contact cruise line for pricing & availability
10/17/2025
10 Night Mediterranean Cruise
on the Costa Cruise Lines Costa Diadema departing from Marseille, France
Interior
Oceanview
Balcony
Suite
$1,341
$1,551
$2,141
$2,411
10/18/2025
10 Night Mediterranean Cruise
on the Costa Cruise Lines Costa Diadema departing from Savona, Italy
Interior
Oceanview
Balcony
Suite
$1,339
$1,549
$2,139
$2,409
10/19/2025
10 Night Mediterranean Cruise
on the Costa Cruise Lines Costa Diadema departing from Barcelona, Spain
Interior
Oceanview
Balcony
Suite
$1,329
$1,539
$2,129
$3,074
10/27/2025
11 Night Mediterranean Cruise
on the Costa Cruise Lines Costa Diadema departing from Marseille, France
Interior
Oceanview
Balcony
Suite
$1,330
$1,540
$2,130
$2,400
10/28/2025
11 Night Mediterranean Cruise
on the Costa Cruise Lines Costa Diadema departing from Savona, Italy
Interior
Oceanview
Balcony
Suite
$1,328
$1,538
$2,128
$2,398
10/29/2025
11 Night Mediterranean Cruise
on the Costa Cruise Lines Costa Diadema departing from Barcelona, Spain
Interior
Oceanview
Balcony
Suite
$1,319
$1,529
$2,119
$2,389
10/11/2025
13 Night Mediterranean Cruise
on the Costa Cruise Lines Costa Diadema departing from Cadiz, Spain
Interior
Oceanview
Balcony
Suite
Contact cruise line for pricing & availability
Scandinavia & Northern Europe
05/16/2025
1 Night Scandinavia & Northern Europe Cruise
on the Costa Cruise Lines Costa Diadema departing from Kiel, Germany
Interior
Oceanview
Balcony
Suite
Contact cruise line for pricing & availability
05/16/2025
7 Night Scandinavia & Northern Europe Cruise
on the Costa Cruise Lines Costa Diadema departing from Kiel, Germany
Interior
Oceanview
Balcony
Suite
Contact cruise line for pricing & availability
05/16/2025
7 Night Scandinavia & Northern Europe Cruise
on the Costa Cruise Lines Costa Diadema departing from Kiel, Germany
Interior
Oceanview
Balcony
Suite
$1,141
$1,291
$1,621
$1,831
05/17/2025
7 Night Scandinavia & Northern Europe Cruise
on the Costa Cruise Lines Costa Diadema departing from Copenhagen, Denmark
Interior
Oceanview
Balcony
Suite
Contact cruise line for pricing & availability
05/17/2025
7 Night Scandinavia & Northern Europe Cruise
on the Costa Cruise Lines Costa Diadema departing from Copenhagen, Denmark
Interior
Oceanview
Balcony
Suite
$1,170
$1,270
$1,650
$2,570
05/23/2025
7 Night Scandinavia & Northern Europe Cruise
on the Costa Cruise Lines Costa Diadema departing from Kiel, Germany
Interior
Oceanview
Balcony
Suite
Contact cruise line for pricing & availability
05/23/2025
7 Night Scandinavia & Northern Europe Cruise
on the Costa Cruise Lines Costa Diadema departing from Kiel, Germany
Interior
Oceanview
Balcony
Suite
$1,141
$1,241
$1,621
$1,831
05/24/2025
7 Night Scandinavia & Northern Europe Cruise
on the Costa Cruise Lines Costa Diadema departing from Copenhagen, Denmark
Interior
Oceanview
Balcony
Suite
$1,170
$1,270
$1,650
$2,570
05/24/2025
7 Night Scandinavia & Northern Europe Cruise
on the Costa Cruise Lines Costa Diadema departing from Copenhagen, Denmark
Interior
Oceanview
Balcony
Suite
Contact cruise line for pricing & availability
05/30/2025
7 Night Scandinavia & Northern Europe Cruise
on the Costa Cruise Lines Costa Diadema departing from Kiel, Germany
Interior
Oceanview
Balcony
Suite
$1,144
$1,254
$1,624
$1,834
05/30/2025
7 Night Scandinavia & Northern Europe Cruise
on the Costa Cruise Lines Costa Diadema departing from Kiel, Germany
Interior
Oceanview
Balcony
Suite
Contact cruise line for pricing & availability
05/31/2025
7 Night Scandinavia & Northern Europe Cruise
on the Costa Cruise Lines Costa Diadema departing from Copenhagen, Denmark
Interior
Oceanview
Balcony
Suite
$1,172
$1,282
-
$2,582
05/31/2025
7 Night Scandinavia & Northern Europe Cruise
on the Costa Cruise Lines Costa Diadema departing from Copenhagen, Denmark
Interior
Oceanview
Balcony
Suite
Contact cruise line for pricing & availability
06/06/2025
7 Night Scandinavia & Northern Europe Cruise
on the Costa Cruise Lines Costa Diadema departing from Kiel, Germany
Interior
Oceanview
Balcony
Suite
Contact cruise line for pricing & availability
06/06/2025
7 Night Scandinavia & Northern Europe Cruise
on the Costa Cruise Lines Costa Diadema departing from Kiel, Germany
Interior
Oceanview
Balcony
Suite
$1,144
$1,254
$1,624
$1,834
06/07/2025
7 Night Scandinavia & Northern Europe Cruise
on the Costa Cruise Lines Costa Diadema departing from Copenhagen, Denmark
Interior
Oceanview
Balcony
Suite
Contact cruise line for pricing & availability
06/07/2025
7 Night Scandinavia & Northern Europe Cruise
on the Costa Cruise Lines Costa Diadema departing from Copenhagen, Denmark
Interior
Oceanview
Balcony
Suite
$1,172
$1,282
$1,652
$1,862
06/13/2025
7 Night Scandinavia & Northern Europe Cruise
on the Costa Cruise Lines Costa Diadema departing from Kiel, Germany
Interior
Oceanview
Balcony
Suite
Contact cruise line for pricing & availability
06/13/2025
7 Night Scandinavia & Northern Europe Cruise
on the Costa Cruise Lines Costa Diadema departing from Kiel, Germany
Interior
Oceanview
Balcony
Suite
$1,144
$1,254
$1,624
$1,834
06/14/2025
7 Night Scandinavia & Northern Europe Cruise
on the Costa Cruise Lines Costa Diadema departing from Copenhagen, Denmark
Interior
Oceanview
Balcony
Suite
Contact cruise line for pricing & availability
06/14/2025
7 Night Scandinavia & Northern Europe Cruise
on the Costa Cruise Lines Costa Diadema departing from Copenhagen, Denmark
Interior
Oceanview
Balcony
Suite
$1,172
$1,282
$1,652
$1,862
06/20/2025
7 Night Scandinavia & Northern Europe Cruise
on the Costa Cruise Lines Costa Diadema departing from Kiel, Germany
Interior
Oceanview
Balcony
Suite
$1,254
$1,364
$1,734
$1,954
06/20/2025
7 Night Scandinavia & Northern Europe Cruise
on the Costa Cruise Lines Costa Diadema departing from Kiel, Germany
Interior
Oceanview
Balcony
Suite
Contact cruise line for pricing & availability
06/21/2025
7 Night Scandinavia & Northern Europe Cruise
on the Costa Cruise Lines Costa Diadema departing from Copenhagen, Denmark
Interior
Oceanview
Balcony
Suite
$1,282
$1,392
$1,762
$1,982
06/21/2025
7 Night Scandinavia & Northern Europe Cruise
on the Costa Cruise Lines Costa Diadema departing from Copenhagen, Denmark
Interior
Oceanview
Balcony
Suite
Contact cruise line for pricing & availability
06/27/2025
7 Night Scandinavia & Northern Europe Cruise
on the Costa Cruise Lines Costa Diadema departing from Kiel, Germany
Interior
Oceanview
Balcony
Suite
$1,244
$1,354
$1,724
$1,944
06/27/2025
7 Night Scandinavia & Northern Europe Cruise
on the Costa Cruise Lines Costa Diadema departing from Kiel, Germany
Interior
Oceanview
Balcony
Suite
Contact cruise line for pricing & availability
06/28/2025
7 Night Scandinavia & Northern Europe Cruise
on the Costa Cruise Lines Costa Diadema departing from Copenhagen, Denmark
Interior
Oceanview
Balcony
Suite
$1,272
$1,382
$1,752
$1,972
06/28/2025
7 Night Scandinavia & Northern Europe Cruise
on the Costa Cruise Lines Costa Diadema departing from Copenhagen, Denmark
Interior
Oceanview
Balcony
Suite
Contact cruise line for pricing & availability
07/04/2025
7 Night Scandinavia & Northern Europe Cruise
on the Costa Cruise Lines Costa Diadema departing from Kiel, Germany
Interior
Oceanview
Balcony
Suite
Contact cruise line for pricing & availability
07/04/2025
7 Night Scandinavia & Northern Europe Cruise
on the Costa Cruise Lines Costa Diadema departing from Kiel, Germany
Interior
Oceanview
Balcony
Suite
$1,244
$1,354
$1,724
$1,944
07/05/2025
7 Night Scandinavia & Northern Europe Cruise
on the Costa Cruise Lines Costa Diadema departing from Copenhagen, Denmark
Interior
Oceanview
Balcony
Suite
$1,272
$1,382
$1,752
$1,972
07/05/2025
7 Night Scandinavia & Northern Europe Cruise
on the Costa Cruise Lines Costa Diadema departing from Copenhagen, Denmark
Interior
Oceanview
Balcony
Suite
Contact cruise line for pricing & availability
07/11/2025
7 Night Scandinavia & Northern Europe Cruise
on the Costa Cruise Lines Costa Diadema departing from Kiel, Germany
Interior
Oceanview
Balcony
Suite
$1,254
$1,364
$1,734
$1,954
07/11/2025
7 Night Scandinavia & Northern Europe Cruise
on the Costa Cruise Lines Costa Diadema departing from Kiel, Germany
Interior
Oceanview
Balcony
Suite
Contact cruise line for pricing & availability
07/12/2025
7 Night Scandinavia & Northern Europe Cruise
on the Costa Cruise Lines Costa Diadema departing from Copenhagen, Denmark
Interior
Oceanview
Balcony
Suite
Contact cruise line for pricing & availability
07/18/2025
7 Night Scandinavia & Northern Europe Cruise
on the Costa Cruise Lines Costa Diadema departing from Kiel, Germany
Interior
Oceanview
Balcony
Suite
Contact cruise line for pricing & availability
07/18/2025
7 Night Scandinavia & Northern Europe Cruise
on the Costa Cruise Lines Costa Diadema departing from Kiel, Germany
Interior
Oceanview
Balcony
Suite
$1,244
$1,354
$1,724
$1,944
07/19/2025
7 Night Scandinavia & Northern Europe Cruise
on the Costa Cruise Lines Costa Diadema departing from Copenhagen, Denmark
Interior
Oceanview
Balcony
Suite
$1,272
$1,382
$1,752
$1,972
07/19/2025
7 Night Scandinavia & Northern Europe Cruise
on the Costa Cruise Lines Costa Diadema departing from Copenhagen, Denmark
Interior
Oceanview
Balcony
Suite
Contact cruise line for pricing & availability
07/25/2025
7 Night Scandinavia & Northern Europe Cruise
on the Costa Cruise Lines Costa Diadema departing from Kiel, Germany
Interior
Oceanview
Balcony
Suite
$1,514
$1,624
$1,994
$2,254
07/25/2025
7 Night Scandinavia & Northern Europe Cruise
on the Costa Cruise Lines Costa Diadema departing from Kiel, Germany
Interior
Oceanview
Balcony
Suite
Contact cruise line for pricing & availability
07/26/2025
7 Night Scandinavia & Northern Europe Cruise
on the Costa Cruise Lines Costa Diadema departing from Copenhagen, Denmark
Interior
Oceanview
Balcony
Suite
$1,542
$1,652
$2,022
$2,282
07/26/2025
7 Night Scandinavia & Northern Europe Cruise
on the Costa Cruise Lines Costa Diadema departing from Copenhagen, Denmark
Interior
Oceanview
Balcony
Suite
Contact cruise line for pricing & availability
08/01/2025
7 Night Scandinavia & Northern Europe Cruise
on the Costa Cruise Lines Costa Diadema departing from Kiel, Germany
Interior
Oceanview
Balcony
Suite
Contact cruise line for pricing & availability
08/01/2025
7 Night Scandinavia & Northern Europe Cruise
on the Costa Cruise Lines Costa Diadema departing from Kiel, Germany
Interior
Oceanview
Balcony
Suite
$1,514
$1,624
$1,994
$2,254
08/02/2025
7 Night Scandinavia & Northern Europe Cruise
on the Costa Cruise Lines Costa Diadema departing from Copenhagen, Denmark
Interior
Oceanview
Balcony
Suite
$1,542
$1,652
$2,022
$2,282
08/02/2025
7 Night Scandinavia & Northern Europe Cruise
on the Costa Cruise Lines Costa Diadema departing from Copenhagen, Denmark
Interior
Oceanview
Balcony
Suite
Contact cruise line for pricing & availability
08/08/2025
7 Night Scandinavia & Northern Europe Cruise
on the Costa Cruise Lines Costa Diadema departing from Kiel, Germany
Interior
Oceanview
Balcony
Suite
Contact cruise line for pricing & availability
08/08/2025
7 Night Scandinavia & Northern Europe Cruise
on the Costa Cruise Lines Costa Diadema departing from Kiel, Germany
Interior
Oceanview
Balcony
Suite
$1,534
$1,644
$2,014
$2,284
08/09/2025
7 Night Scandinavia & Northern Europe Cruise
on the Costa Cruise Lines Costa Diadema departing from Copenhagen, Denmark
Interior
Oceanview
Balcony
Suite
$1,562
$1,672
$2,042
$2,312
08/09/2025
7 Night Scandinavia & Northern Europe Cruise
on the Costa Cruise Lines Costa Diadema departing from Copenhagen, Denmark
Interior
Oceanview
Balcony
Suite
Contact cruise line for pricing & availability
08/15/2025
7 Night Scandinavia & Northern Europe Cruise
on the Costa Cruise Lines Costa Diadema departing from Kiel, Germany
Interior
Oceanview
Balcony
Suite
Contact cruise line for pricing & availability
08/15/2025
7 Night Scandinavia & Northern Europe Cruise
on the Costa Cruise Lines Costa Diadema departing from Kiel, Germany
Interior
Oceanview
Balcony
Suite
$1,514
$1,624
$1,994
$2,254
08/16/2025
7 Night Scandinavia & Northern Europe Cruise
on the Costa Cruise Lines Costa Diadema departing from Copenhagen, Denmark
Interior
Oceanview
Balcony
Suite
Contact cruise line for pricing & availability
08/16/2025
7 Night Scandinavia & Northern Europe Cruise
on the Costa Cruise Lines Costa Diadema departing from Copenhagen, Denmark
Interior
Oceanview
Balcony
Suite
$1,542
$1,652
$2,022
$2,282
08/22/2025
7 Night Scandinavia & Northern Europe Cruise
on the Costa Cruise Lines Costa Diadema departing from Kiel, Germany
Interior
Oceanview
Balcony
Suite
$1,244
$1,354
$1,724
$1,944
08/22/2025
7 Night Scandinavia & Northern Europe Cruise
on the Costa Cruise Lines Costa Diadema departing from Kiel, Germany
Interior
Oceanview
Balcony
Suite
Contact cruise line for pricing & availability
08/23/2025
7 Night Scandinavia & Northern Europe Cruise
on the Costa Cruise Lines Costa Diadema departing from Copenhagen, Denmark
Interior
Oceanview
Balcony
Suite
Contact cruise line for pricing & availability
08/23/2025
7 Night Scandinavia & Northern Europe Cruise
on the Costa Cruise Lines Costa Diadema departing from Copenhagen, Denmark
Interior
Oceanview
Balcony
Suite
$1,272
$1,382
$1,752
$1,972
08/29/2025
7 Night Scandinavia & Northern Europe Cruise
on the Costa Cruise Lines Costa Diadema departing from Kiel, Germany
Interior
Oceanview
Balcony
Suite
$1,244
$1,354
$1,724
$1,944
08/29/2025
7 Night Scandinavia & Northern Europe Cruise
on the Costa Cruise Lines Costa Diadema departing from Kiel, Germany
Interior
Oceanview
Balcony
Suite
Contact cruise line for pricing & availability
08/30/2025
7 Night Scandinavia & Northern Europe Cruise
on the Costa Cruise Lines Costa Diadema departing from Copenhagen, Denmark
Interior
Oceanview
Balcony
Suite
Contact cruise line for pricing & availability
08/30/2025
7 Night Scandinavia & Northern Europe Cruise
on the Costa Cruise Lines Costa Diadema departing from Copenhagen, Denmark
Interior
Oceanview
Balcony
Suite
$1,272
$1,382
$1,752
$1,972
09/05/2025
7 Night Scandinavia & Northern Europe Cruise
on the Costa Cruise Lines Costa Diadema departing from Kiel, Germany
Interior
Oceanview
Balcony
Suite
$1,241
$1,351
$1,721
$1,941
09/05/2025
7 Night Scandinavia & Northern Europe Cruise
on the Costa Cruise Lines Costa Diadema departing from Kiel, Germany
Interior
Oceanview
Balcony
Suite
Contact cruise line for pricing & availability
09/06/2025
7 Night Scandinavia & Northern Europe Cruise
on the Costa Cruise Lines Costa Diadema departing from Copenhagen, Denmark
Interior
Oceanview
Balcony
Suite
Contact cruise line for pricing & availability
09/06/2025
7 Night Scandinavia & Northern Europe Cruise
on the Costa Cruise Lines Costa Diadema departing from Copenhagen, Denmark
Interior
Oceanview
Balcony
Suite
$1,270
$1,380
$1,750
$1,970
South America
11/28/2025
2 Night South American Cruise
on the Costa Cruise Lines Costa Diadema departing from Santos, Brazil
Interior
Oceanview
Balcony
Suite
$486
$526
$566
$626
11/28/2025
3 Night South American Cruise
on the Costa Cruise Lines Costa Diadema departing from Santos, Brazil
Interior
Oceanview
Balcony
Suite
$640
$700
$770
$850
12/04/2025
3 Night South American Cruise
on the Costa Cruise Lines Costa Diadema departing from Itajai, Brazil
Interior
Oceanview
Balcony
Suite
$450
$510
$580
$640
12/05/2025
3 Night South American Cruise
on the Costa Cruise Lines Costa Diadema departing from Santos, Brazil
Interior
Oceanview
Balcony
Suite
$510
$570
$640
$700
12/07/2025
3 Night South American Cruise
on the Costa Cruise Lines Costa Diadema departing from Itajai, Brazil
Interior
Oceanview
Balcony
Suite
$530
$570
$640
$710
12/08/2025
3 Night South American Cruise
on the Costa Cruise Lines Costa Diadema departing from Santos, Brazil
Interior
Oceanview
Balcony
Suite
$590
$630
$700
$770
12/10/2025
3 Night South American Cruise
on the Costa Cruise Lines Costa Diadema departing from Itajai, Brazil
Interior
Oceanview
Balcony
Suite
$500
$540
$610
$670
12/11/2025
3 Night South American Cruise
on the Costa Cruise Lines Costa Diadema departing from Santos, Brazil
Interior
Oceanview
Balcony
Suite
$560
$600
$670
$730
12/17/2025
3 Night South American Cruise
on the Costa Cruise Lines Costa Diadema departing from Itajai, Brazil
Interior
Oceanview
Balcony
Suite
$500
$550
$620
$690
12/18/2025
3 Night South American Cruise
on the Costa Cruise Lines Costa Diadema departing from Santos, Brazil
Interior
Oceanview
Balcony
Suite
$560
$610
$680
$750
12/21/2025
3 Night South American Cruise
on the Costa Cruise Lines Costa Diadema departing from Santos, Brazil
Interior
Oceanview
Balcony
Suite
$646
$696
$726
$796
11/30/2025
4 Night South American Cruise
on the Costa Cruise Lines Costa Diadema departing from Itajai, Brazil
Interior
Oceanview
Balcony
Suite
$652
$722
$792
$1,137
12/01/2025
4 Night South American Cruise
on the Costa Cruise Lines Costa Diadema departing from Santos, Brazil
Interior
Oceanview
Balcony
Suite
$712
$782
$852
$942
12/13/2025
4 Night South American Cruise
on the Costa Cruise Lines Costa Diadema departing from Itajai, Brazil
Interior
Oceanview
Balcony
Suite
$632
$692
$772
$852
12/14/2025
4 Night South American Cruise
on the Costa Cruise Lines Costa Diadema departing from Santos, Brazil
Interior
Oceanview
Balcony
Suite
$692
$752
$832
$912
02/16/2025
7 Night South American Cruise
on the Costa Cruise Lines Costa Diadema departing from Itajai, Brazil
Interior
Oceanview
Balcony
Suite
$957
$1,067
$1,167
-
02/19/2025
7 Night South American Cruise
on the Costa Cruise Lines Costa Diadema departing from Buenos Aires, Argentina
Interior
Oceanview
Balcony
Suite
$1,105
$1,275
$1,445
$1,805
02/22/2025
7 Night South American Cruise
on the Costa Cruise Lines Costa Diadema departing from Santos, Brazil
Interior
Oceanview
Balcony
Suite
$1,017
$1,107
-
-
02/23/2025
7 Night South American Cruise
on the Costa Cruise Lines Costa Diadema departing from Itajai, Brazil
Interior
Oceanview
Balcony
Suite
$957
-
-
-
02/26/2025
7 Night South American Cruise
on the Costa Cruise Lines Costa Diadema departing from Buenos Aires, Argentina
Interior
Oceanview
Balcony
Suite
$1,105
$1,275
$1,445
$1,805
03/01/2025
7 Night South American Cruise
on the Costa Cruise Lines Costa Diadema departing from Santos, Brazil
Interior
Oceanview
Balcony
Suite
$1,302
$1,402
-
-
03/02/2025
7 Night South American Cruise
on the Costa Cruise Lines Costa Diadema departing from Itajai, Brazil
Interior
Oceanview
Balcony
Suite
$977
-
-
-
03/05/2025
7 Night South American Cruise
on the Costa Cruise Lines Costa Diadema departing from Buenos Aires, Argentina
Interior
Oceanview
Balcony
Suite
$1,105
$1,275
$1,445
$1,805
03/08/2025
7 Night South American Cruise
on the Costa Cruise Lines Costa Diadema departing from Santos, Brazil
Interior
Oceanview
Balcony
Suite
$1,007
$1,097
$1,187
$1,307
03/09/2025
7 Night South American Cruise
on the Costa Cruise Lines Costa Diadema departing from Itajai, Brazil
Interior
Oceanview
Balcony
Suite
$947
-
-
-
03/12/2025
7 Night South American Cruise
on the Costa Cruise Lines Costa Diadema departing from Buenos Aires, Argentina
Interior
Oceanview
Balcony
Suite
$1,105
$1,275
$1,445
$1,805
03/16/2025
7 Night South American Cruise
on the Costa Cruise Lines Costa Diadema departing from Itajai, Brazil
Interior
Oceanview
Balcony
Suite
$927
$1,017
$1,097
$1,647
03/19/2025
7 Night South American Cruise
on the Costa Cruise Lines Costa Diadema departing from Buenos Aires, Argentina
Interior
Oceanview
Balcony
Suite
$1,105
$1,275
$1,445
$1,805
03/22/2025
7 Night South American Cruise
on the Costa Cruise Lines Costa Diadema departing from Santos, Brazil
Interior
Oceanview
Balcony
Suite
$987
$1,077
-
-
03/23/2025
7 Night South American Cruise
on the Costa Cruise Lines Costa Diadema departing from Itajai, Brazil
Interior
Oceanview
Balcony
Suite
$927
-
-
-
03/26/2025
7 Night South American Cruise
on the Costa Cruise Lines Costa Diadema departing from Buenos Aires, Argentina
Interior
Oceanview
Balcony
Suite
$1,105
$1,275
$1,445
$2,205
03/29/2025
7 Night South American Cruise
on the Costa Cruise Lines Costa Diadema departing from Santos, Brazil
Interior
Oceanview
Balcony
Suite
$987
$1,077
$1,157
$1,267
03/30/2025
7 Night South American Cruise
on the Costa Cruise Lines Costa Diadema departing from Itajai, Brazil
Interior
Oceanview
Balcony
Suite
$1,192
-
-
-
12/20/2025
7 Night South American Cruise
on the Costa Cruise Lines Costa Diadema departing from Itajai, Brazil
Interior
Oceanview
Balcony
Suite
$1,277
$1,377
$1,447
$1,617
12/20/2025
7 Night South American Cruise
on the Costa Cruise Lines Costa Diadema departing from Itajai, Brazil
Interior
Oceanview
Balcony
Suite
$1,277
$1,377
$1,447
$1,617
12/21/2025
7 Night South American Cruise
on the Costa Cruise Lines Costa Diadema departing from Santos, Brazil
Interior
Oceanview
Balcony
Suite
$1,337
$1,437
$1,507
$1,677
12/21/2025
7 Night South American Cruise
on the Costa Cruise Lines Costa Diadema departing from Santos, Brazil
Interior
Oceanview
Balcony
Suite
$1,337
$1,437
$1,507
$1,677
12/27/2025
7 Night South American Cruise
on the Costa Cruise Lines Costa Diadema departing from Itajai, Brazil
Interior
Oceanview
Balcony
Suite
$1,397
$1,497
$1,617
$1,807
12/27/2025
7 Night South American Cruise
on the Costa Cruise Lines Costa Diadema departing from Itajai, Brazil
Interior
Oceanview
Balcony
Suite
$1,397
$1,497
$1,617
$1,807
12/28/2025
7 Night South American Cruise
on the Costa Cruise Lines Costa Diadema departing from Santos, Brazil
Interior
Oceanview
Balcony
Suite
$1,457
$1,557
$1,677
$1,867
12/28/2025
7 Night South American Cruise
on the Costa Cruise Lines Costa Diadema departing from Santos, Brazil
Interior
Oceanview
Balcony
Suite
$1,457
$1,557
$1,677
$1,867
01/03/2026
7 Night South American Cruise
on the Costa Cruise Lines Costa Diadema departing from Itajai, Brazil
Interior
Oceanview
Balcony
Suite
$1,147
$1,257
$1,327
$1,477
01/03/2026
7 Night South American Cruise
on the Costa Cruise Lines Costa Diadema departing from Itajai, Brazil
Interior
Oceanview
Balcony
Suite
$1,147
$1,257
$1,327
$1,477
01/04/2026
7 Night South American Cruise
on the Costa Cruise Lines Costa Diadema departing from Santos, Brazil
Interior
Oceanview
Balcony
Suite
$1,207
$1,317
$1,387
$1,537
01/04/2026
7 Night South American Cruise
on the Costa Cruise Lines Costa Diadema departing from Santos, Brazil
Interior
Oceanview
Balcony
Suite
$1,207
$1,317
$1,387
$1,537
01/10/2026
7 Night South American Cruise
on the Costa Cruise Lines Costa Diadema departing from Itajai, Brazil
Interior
Oceanview
Balcony
Suite
$1,067
$1,177
$1,247
$1,387
01/10/2026
7 Night South American Cruise
on the Costa Cruise Lines Costa Diadema departing from Itajai, Brazil
Interior
Oceanview
Balcony
Suite
$1,067
$1,177
$1,247
$1,387
01/11/2026
7 Night South American Cruise
on the Costa Cruise Lines Costa Diadema departing from Santos, Brazil
Interior
Oceanview
Balcony
Suite
$1,127
$1,237
$1,307
$1,447
01/11/2026
7 Night South American Cruise
on the Costa Cruise Lines Costa Diadema departing from Santos, Brazil
Interior
Oceanview
Balcony
Suite
$1,127
$1,237
$1,307
$1,447
01/17/2026
7 Night South American Cruise
on the Costa Cruise Lines Costa Diadema departing from Itajai, Brazil
Interior
Oceanview
Balcony
Suite
$1,417
$1,527
$1,597
$1,787
01/17/2026
7 Night South American Cruise
on the Costa Cruise Lines Costa Diadema departing from Itajai, Brazil
Interior
Oceanview
Balcony
Suite
$1,417
$1,527
$1,597
$1,787
01/18/2026
7 Night South American Cruise
on the Costa Cruise Lines Costa Diadema departing from Santos, Brazil
Interior
Oceanview
Balcony
Suite
$1,477
$1,587
$1,657
$1,847
01/18/2026
7 Night South American Cruise
on the Costa Cruise Lines Costa Diadema departing from Santos, Brazil
Interior
Oceanview
Balcony
Suite
$1,477
$1,587
$1,657
$1,847
01/24/2026
7 Night South American Cruise
on the Costa Cruise Lines Costa Diadema departing from Itajai, Brazil
Interior
Oceanview
Balcony
Suite
$1,037
$1,147
$1,217
$1,347
01/24/2026
7 Night South American Cruise
on the Costa Cruise Lines Costa Diadema departing from Itajai, Brazil
Interior
Oceanview
Balcony
Suite
$1,037
$1,147
$1,217
$1,347
01/25/2026
7 Night South American Cruise
on the Costa Cruise Lines Costa Diadema departing from Santos, Brazil
Interior
Oceanview
Balcony
Suite
$1,097
$1,207
$1,277
$1,407
01/25/2026
7 Night South American Cruise
on the Costa Cruise Lines Costa Diadema departing from Santos, Brazil
Interior
Oceanview
Balcony
Suite
$1,097
$1,207
$1,277
$1,407
01/31/2026
7 Night South American Cruise
on the Costa Cruise Lines Costa Diadema departing from Itajai, Brazil
Interior
Oceanview
Balcony
Suite
$1,027
$1,137
$1,207
$1,337
01/31/2026
7 Night South American Cruise
on the Costa Cruise Lines Costa Diadema departing from Itajai, Brazil
Interior
Oceanview
Balcony
Suite
$1,027
$1,137
$1,207
$1,337
02/01/2026
7 Night South American Cruise
on the Costa Cruise Lines Costa Diadema departing from Santos, Brazil
Interior
Oceanview
Balcony
Suite
$1,087
$1,197
$1,267
$1,397
02/01/2026
7 Night South American Cruise
on the Costa Cruise Lines Costa Diadema departing from Santos, Brazil
Interior
Oceanview
Balcony
Suite
$1,087
$1,197
$1,267
$1,397
02/07/2026
7 Night South American Cruise
on the Costa Cruise Lines Costa Diadema departing from Itajai, Brazil
Interior
Oceanview
Balcony
Suite
$1,027
$1,137
$1,207
$1,337
02/07/2026
7 Night South American Cruise
on the Costa Cruise Lines Costa Diadema departing from Itajai, Brazil
Interior
Oceanview
Balcony
Suite
$1,027
$1,137
$1,207
$1,337
02/08/2026
7 Night South American Cruise
on the Costa Cruise Lines Costa Diadema departing from Santos, Brazil
Interior
Oceanview
Balcony
Suite
$1,087
$1,197
$1,267
$1,397
02/08/2026
7 Night South American Cruise
on the Costa Cruise Lines Costa Diadema departing from Santos, Brazil
Interior
Oceanview
Balcony
Suite
$1,087
$1,197
$1,267
$1,397
02/14/2026
7 Night South American Cruise
on the Costa Cruise Lines Costa Diadema departing from Itajai, Brazil
Interior
Oceanview
Balcony
Suite
$1,007
$1,117
$1,187
$1,317
02/14/2026
7 Night South American Cruise
on the Costa Cruise Lines Costa Diadema departing from Itajai, Brazil
Interior
Oceanview
Balcony
Suite
$1,007
$1,117
$1,187
$1,317
02/15/2026
7 Night South American Cruise
on the Costa Cruise Lines Costa Diadema departing from Santos, Brazil
Interior
Oceanview
Balcony
Suite
$1,067
$1,177
$1,247
$1,377
02/15/2026
7 Night South American Cruise
on the Costa Cruise Lines Costa Diadema departing from Santos, Brazil
Interior
Oceanview
Balcony
Suite
$1,067
$1,177
$1,247
$1,377
02/21/2026
7 Night South American Cruise
on the Costa Cruise Lines Costa Diadema departing from Itajai, Brazil
Interior
Oceanview
Balcony
Suite
$1,007
$1,117
$1,187
$1,317
02/21/2026
7 Night South American Cruise
on the Costa Cruise Lines Costa Diadema departing from Itajai, Brazil
Interior
Oceanview
Balcony
Suite
$1,007
$1,117
$1,187
$1,317
02/22/2026
7 Night South American Cruise
on the Costa Cruise Lines Costa Diadema departing from Santos, Brazil
Interior
Oceanview
Balcony
Suite
$1,067
$1,177
$1,247
$1,377
02/22/2026
7 Night South American Cruise
on the Costa Cruise Lines Costa Diadema departing from Santos, Brazil
Interior
Oceanview
Balcony
Suite
$1,067
$1,177
$1,247
$1,377
02/28/2026
7 Night South American Cruise
on the Costa Cruise Lines Costa Diadema departing from Itajai, Brazil
Interior
Oceanview
Balcony
Suite
$1,027
$1,137
$1,207
$1,337
02/28/2026
7 Night South American Cruise
on the Costa Cruise Lines Costa Diadema departing from Itajai, Brazil
Interior
Oceanview
Balcony
Suite
$1,027
$1,137
$1,207
$1,337
03/01/2026
7 Night South American Cruise
on the Costa Cruise Lines Costa Diadema departing from Santos, Brazil
Interior
Oceanview
Balcony
Suite
$1,087
$1,197
$1,267
$1,397
03/01/2026
7 Night South American Cruise
on the Costa Cruise Lines Costa Diadema departing from Santos, Brazil
Interior
Oceanview
Balcony
Suite
$1,087
$1,197
$1,267
$1,397
03/07/2026
7 Night South American Cruise
on the Costa Cruise Lines Costa Diadema departing from Itajai, Brazil
Interior
Oceanview
Balcony
Suite
$997
$1,107
$1,177
$1,307
03/07/2026
7 Night South American Cruise
on the Costa Cruise Lines Costa Diadema departing from Itajai, Brazil
Interior
Oceanview
Balcony
Suite
$997
$1,107
$1,177
$1,307
03/08/2026
7 Night South American Cruise
on the Costa Cruise Lines Costa Diadema departing from Santos, Brazil
Interior
Oceanview
Balcony
Suite
$1,057
$1,167
$1,237
$1,367
03/08/2026
7 Night South American Cruise
on the Costa Cruise Lines Costa Diadema departing from Santos, Brazil
Interior
Oceanview
Balcony
Suite
$1,057
$1,167
$1,237
$1,367
03/14/2026
7 Night South American Cruise
on the Costa Cruise Lines Costa Diadema departing from Itajai, Brazil
Interior
Oceanview
Balcony
Suite
$977
$1,087
$1,157
$1,277
03/14/2026
7 Night South American Cruise
on the Costa Cruise Lines Costa Diadema departing from Itajai, Brazil
Interior
Oceanview
Balcony
Suite
$977
$1,087
$1,157
$1,277
03/15/2026
7 Night South American Cruise
on the Costa Cruise Lines Costa Diadema departing from Santos, Brazil
Interior
Oceanview
Balcony
Suite
$1,037
$1,147
$1,217
$1,337
03/15/2026
7 Night South American Cruise
on the Costa Cruise Lines Costa Diadema departing from Santos, Brazil
Interior
Oceanview
Balcony
Suite
$1,037
$1,147
$1,217
$1,337
Transatlantic
05/13/2025
3 Night Transatlantic Cruise
on the Costa Cruise Lines Costa Diadema departing from Rotterdam, Netherlands
Interior
Oceanview
Balcony
Suite
$329
$389
$499
$774
05/12/2025
4 Night Transatlantic Cruise
on the Costa Cruise Lines Costa Diadema departing from Southampton, England
Interior
Oceanview
Balcony
Suite
$416
$496
$646
$1,001
05/11/2025
5 Night Transatlantic Cruise
on the Costa Cruise Lines Costa Diadema departing from Le Havre, France
Interior
Oceanview
Balcony
Suite
Contact cruise line for pricing & availability
05/07/2025
9 Night Transatlantic Cruise
on the Costa Cruise Lines Costa Diadema departing from Lisbon, Portugal
Interior
Oceanview
Balcony
Suite
Contact cruise line for pricing & availability
04/24/2025
13 Night Transatlantic Cruise
on the Costa Cruise Lines Costa Diadema departing from Maceio, Brazil
Interior
Oceanview
Balcony
Suite
Contact cruise line for pricing & availability
04/23/2025
14 Night Transatlantic Cruise
on the Costa Cruise Lines Costa Diadema departing from Salvador, Brazil
Interior
Oceanview
Balcony
Suite
Contact cruise line for pricing & availability
04/21/2025
16 Night Transatlantic Cruise
on the Costa Cruise Lines Costa Diadema departing from Rio de Janeiro, Brazil
Interior
Oceanview
Balcony
Suite
Contact cruise line for pricing & availability
04/20/2025
17 Night Transatlantic Cruise
on the Costa Cruise Lines Costa Diadema departing from Santos, Brazil
Interior
Oceanview
Balcony
Suite
Contact cruise line for pricing & availability
11/09/2025
18 Night Transatlantic Cruise
on the Costa Cruise Lines Costa Diadema departing from Barcelona, Spain
Interior
Oceanview
Balcony
Suite
$1,782
$2,122
$2,492
$4,192
04/24/2025
19 Night Transatlantic Cruise
on the Costa Cruise Lines Costa Diadema departing from Maceio, Brazil
Interior
Oceanview
Balcony
Suite
$1,632
$2,012
$2,692
$3,032
11/08/2025
19 Night Transatlantic Cruise
on the Costa Cruise Lines Costa Diadema departing from Savona, Italy
Interior
Oceanview
Balcony
Suite
$1,875
$2,225
$2,625
$2,945
11/09/2025
19 Night Transatlantic Cruise
on the Costa Cruise Lines Costa Diadema departing from Barcelona, Spain
Interior
Oceanview
Balcony
Suite
$1,872
$2,222
$2,622
-
04/23/2025
20 Night Transatlantic Cruise
on the Costa Cruise Lines Costa Diadema departing from Salvador, Brazil
Interior
Oceanview
Balcony
Suite
$1,721
$2,111
$2,841
$3,201
11/07/2025
20 Night Transatlantic Cruise
on the Costa Cruise Lines Costa Diadema departing from Marseille, France
Interior
Oceanview
Balcony
Suite
$1,947
$2,317
$2,737
$3,077
11/08/2025
20 Night Transatlantic Cruise
on the Costa Cruise Lines Costa Diadema departing from Savona, Italy
Interior
Oceanview
Balcony
Suite
$1,955
$2,325
$2,745
$3,085
04/20/2025
21 Night Transatlantic Cruise
on the Costa Cruise Lines Costa Diadema departing from Santos, Brazil
Interior
Oceanview
Balcony
Suite
Contact cruise line for pricing & availability
11/07/2025
21 Night Transatlantic Cruise
on the Costa Cruise Lines Costa Diadema departing from Marseille, France
Interior
Oceanview
Balcony
Suite
$2,027
$2,417
$2,857
$3,217
04/20/2025
22 Night Transatlantic Cruise
on the Costa Cruise Lines Costa Diadema departing from Santos, Brazil
Interior
Oceanview
Balcony
Suite
$1,981
$2,411
$3,211
$5,221
04/21/2025
22 Night Transatlantic Cruise
on the Costa Cruise Lines Costa Diadema departing from Rio de Janeiro, Brazil
Interior
Oceanview
Balcony
Suite
$1,921
$2,351
$3,141
-
04/24/2025
22 Night Transatlantic Cruise
on the Costa Cruise Lines Costa Diadema departing from Maceio, Brazil
Interior
Oceanview
Balcony
Suite
$1,869
$2,299
$3,179
$5,539
04/20/2025
23 Night Transatlantic Cruise
on the Costa Cruise Lines Costa Diadema departing from Santos, Brazil
Interior
Oceanview
Balcony
Suite
$2,052
$2,502
$3,332
$5,862
04/23/2025
23 Night Transatlantic Cruise
on the Costa Cruise Lines Costa Diadema departing from Salvador, Brazil
Interior
Oceanview
Balcony
Suite
$1,958
$2,408
$3,238
$5,338
04/21/2025
25 Night Transatlantic Cruise
on the Costa Cruise Lines Costa Diadema departing from Rio de Janeiro, Brazil
Interior
Oceanview
Balcony
Suite
$2,117
$2,607
$3,507
$5,792
04/20/2025
26 Night Transatlantic Cruise
on the Costa Cruise Lines Costa Diadema departing from Santos, Brazil
Interior
Oceanview
Balcony
Suite
$2,248
$2,758
$3,698
$4,158
04/20/2025
27 Night Transatlantic Cruise
on the Costa Cruise Lines Costa Diadema departing from Santos, Brazil
Interior
Oceanview
Balcony
Suite
$2,324
$2,854
$3,834
$4,314
OCG Class
Mainstream
Costa Diadema
Year Built2014
Year Last Refurbished-
Capacity4,947 passengers
Tonnage132,500


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