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Costa Diadema
3.7 "Great"
PORTS
Barcelona, Lisbon, Malaga, Savona
SAIL DATE:Nov 02, 2026 - Nov 07, 2026
INTERIOR
$549
$110/night
OCEAN
$649
$130/night
BALCONY
$749
$150/night
SUITE
$959
$192/night -16 %
Costa Diadema
3.7 "Great"
PORTS
Itajai, Santos
SAIL DATE:Apr 02, 2026 - Apr 05, 2026
INTERIOR
$559
$186/night
OCEAN
$599
$200/night
BALCONY
$669
$223/night
SUITE
$739
$246/night -17 %
Costa Diadema
3.7 "Great"
PORTS
Itajai, Santos
SAIL DATE:Apr 08, 2026 - Apr 11, 2026
INTERIOR
$560
$187/night
OCEAN
$620
$207/night
BALCONY
$690
$230/night
SUITE
$770
$257/night -17 %
Costa Diadema
3.7 "Great"
PORTS
Itajai, Santos
SAIL DATE:Apr 15, 2026 - Apr 18, 2026
INTERIOR
$560
$187/night
OCEAN
$620
$207/night
BALCONY
$690
$230/night
SUITE
$770
$257/night -19 %
Costa Diadema
3.7 "Great"
PORTS
Itajai, Santos
SAIL DATE:Mar 28, 2026 - Apr 01, 2026
INTERIOR
$572
$143/night
OCEAN
$632
$158/night
BALCONY
$702
$176/night
SUITE
$1177
$294/night -2 %
Costa Diadema
3.7 "Great"
PORTS
Buenos Aires, Itajai, Montevideo, Santos
SAIL DATE:Mar 25, 2026 - Mar 29, 2026
INTERIOR
$627
$157/night
OCEAN
$667
$167/night
BALCONY
$712
$178/night
SUITE
$777
$194/night -19 %
Costa Diadema
3.7 "Great"
PORTS
Itajai, Santos
SAIL DATE:Apr 04, 2026 - Apr 08, 2026
INTERIOR
$622
$156/night
OCEAN
$662
$166/night
BALCONY
$732
$183/night
SUITE
$812
$203/night -19 %
Costa Diadema
3.7 "Great"
PORTS
Itajai, Santos
SAIL DATE:Apr 11, 2026 - Apr 15, 2026
INTERIOR
$622
$156/night
OCEAN
$662
$166/night
BALCONY
$732
$183/night
SUITE
$1047
$262/night -29 %
Costa Diadema
3.7 "Great"
PORTS
Itajai, Santos
SAIL DATE:Apr 16, 2026 - Apr 19, 2026
INTERIOR
$629
$210/night
OCEAN
$679
$226/night
BALCONY
$769
$256/night
SUITE
$829
$276/night -17 %
Costa Diadema
3.7 "Great"
PORTS
Itajai, Santos
SAIL DATE:Apr 09, 2026 - Apr 12, 2026
INTERIOR
$639
$213/night
OCEAN
$679
$226/night
BALCONY
$749
$250/night
SUITE
$829
$276/night Create Cruise Price Alert
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