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15 Night Transatlantic

  • Summary
  • Ship
  • Itinerary
  • Price History
  • Dates & Future Prices
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Costa Diadema Interior
Costa Diadema Interior © Costa Cruise Lines

Costa Diadema
Costa Diadema


Ship facts
? The Quality Score is our combined rating balancing professional reviews and customer feedback on a ship level. The score can range from 0 (everybody hates it) to 100 (everybody loves it).
0.3
Customer : Crew Ratio
3724
Passengers
1250
Crew
2014
Construction Year
35.6
Customer : Space Ratio
14
Passenger Decks
2858
Cabins
Large
Ship Size
Ship is decent
? The Quality Score is our combined rating balancing professional reviews and customer feedback on a ship level. The score can range from 0 (everybody hates it) to 100 (everybody loves it).

Packed with dazzling maximalist design, Costa Diadema has earned her moniker "the Queen of the Mediterranean," glittering from helm to stern with tantalizing features, from its wraparound outdoor terrazzo to its innovative new culinary offerings - teppanyaki anyone? - to its port-heavy itineraries.



Overall rating
? The Overall Rating is our combined rating for each cruise ship based on balancing their professional reviews and customer feedback.
Ship is decent
38/100

Professional Reviews
? See how the various aspects of this cruise ship compares to all other ships in our database.
Ship Facilities are fantastic
Accomodation is good
Beverage is good
Entertainment is good
Service is good
Cruise is good

Customer Reviews
? Customer reviews give you a good overview of how much customers like this cruise ship.
1.55/5
people think it's OK
bad
40
acceptable
34
ok
43
good
49
excellent
54
overall
31%
of passengers would recommend this ship

Ship facts
? The Quality Score is our combined rating balancing professional reviews and customer feedback on a ship level. The score can range from 0 (everybody hates it) to 100 (everybody loves it).
0.3
Customer : Crew Ratio
3724
Passengers
1250
Crew
2014
Construction Year
35.6
Customer : Space Ratio
14
Passenger Decks
2858
Cabins
Large
Ship Size




From

Lisbon

to

Rio de Janeiro

Day Port Arrival Departure
0
Lisbon - -
1
At Sea - -
2
Casablanca (Morocco) 08:00 18:00
3
At Sea - -
4
Santa Cruz De Tenerife, Canary Islands 09:00 19:00
5-6
At Sea - -
7
Mindelo (Capo Verde) 08:00 18:00
8-11
At Sea - -
12
Maceio, Brazil 07:00 13:00
13
Salvador Bahia (Brazil) 07:00 13:00
14
At Sea - -
15
Rio de Janeiro 08:00 00:00




Prices for other Dates and Cabins

Nov 07, 2026


$1319
$88 p.P./ night
Really good deal
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$1559
$104 p.P./ night
Really good deal
Set price alert
$1829
$122 p.P./ night
Rather good deal
Set price alert
$2369
$158 p.P./ night
Rather good deal
Set price alert

dasda Interior Oceanview Balcony Suite
Current Price $1319 $1559 $1829 $2369
Price per Day $88 $104 $122 $158
Previous Price $1320 $1560 $1830 $2370
Change in $ $-1 $-1 $-1 $-1
Change in % -0.08% -0.06% -0.05% -0.04%
Updated Jul 25, 2025 Jul 25, 2025 Jul 25, 2025 Jul 25, 2025
Initial Price $1319 $1559 $1829 $2369
Lowest Price Ever $1319 $1559 $1829 $2369
Our Opinion Really good deal Really good deal Rather good deal Rather good deal
Historic prices Interior cabin price history Oceanview cabin price history Balcony cabin price history Suite cabin price history
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Interior cabin, departing on Nov 07, 2026.


We don’t have enough data to show any prediction or the accuracy is not high enough. We are sorry, please try again another day.

Nov 07, 2026 Departure

We don’t have enough data to show any prediction or the accuracy is not high enough. We are sorry, please try again another day.

Nov 07, 2026 Departure

We don’t have enough data to show any prediction or the accuracy is not high enough. We are sorry, please try again another day.

Nov 07, 2026 Departure

We don’t have enough data to show any prediction or the accuracy is not high enough. We are sorry, please try again another day.

Nov 07, 2026 Departure


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Costa Diadema Interior
Costa Diadema Interior © Costa Cruise Lines

Why we like this 15 Night Transatlantic
  • Relaxing trip to refill your batteries.
  • Suite pricing: Really good deal