Costa Cruises · Costa Diadema

25-Night Cruise from Rio De Janeiro

Rio De JaneiroKielone-way
Sails
Mon, Apr 5, 2027
Ports
13
Sea days
13
Fare type
CruiseOnly

More Costa Cruises cruises

$2,870per person · taxes & fees included
$115/night

Stateroom
Book now — $2,870 pp
  • No booking fees at checkout
  • Secure booking · price tracked daily
Price history49 days tracked · checked daily

We track this sailing's fares every day.

Inside is $2,870 per person today — 1% more than the usual 49-day price of $2,841, and up 0% in the last two weeks. It peaked at $2,870.

Inside fare, per person
Inside fareLowest tracked
$2,870$2,725$2,580$2,580$2,870
49 days agoToday · $2,870
vs usual 49-day price
+1.0%
usual $2,841
How today ranks
49th-lowest of 49 days
$2,580$2,870
Last 14 days
+0.0%
was $2,870
Off the recent high
At the recent high
no price drop yet

Based on our own daily price checks — fare movement only, not a prediction and not cabin availability. How we verify

Day by day

Your 25-night itinerary

13 ports · 13 sea days · 26 days aboard

Day 1
Rio de JaneiroEmbark

Departs 6:00 PM · Port guide

Days 2–3 · two sea days
Day 4
SALVADOR BAHIA

Arrives 8:00 AM · Departs 3:00 PM · 7 hours ashore · Port guide

Day 5 · sea day
Day 6
FORTALEZA

Arrives 2:00 PM · Departs 9:00 PM · 7 hours ashore · Port guide

Days 7–9 · three sea days
Day 10
PRAIA

Arrives 9:00 AM · Departs 6:00 PM · 9 hours ashore · Port guide

Days 11–12 · two sea days
Day 13
Las Palmas (Gran Canaria)

Arrives 8:00 AM · Departs 5:00 PM · 9 hours ashore · Port guide

Day 14 · sea day
Day 15
Casablanca

Arrives 6:00 AM · Departs 6:00 PM · 12 hours ashore · Port guide

Day 16
Malaga

Arrives 1:00 PM · Departs 8:00 PM · 7 hours ashore · Port guide

Day 17 · sea day
Day 18
Leixes (Porto)

Arrives 8:00 AM · Departs 6:00 PM · 10 hours ashore · Port guide

Day 19
Vigo

Arrives 8:00 AM · Departs 4:00 PM · 8 hours ashore · Port guide

Day 20 · sea day
Day 21
Le Havre

Arrives 10:00 AM · Departs 9:30 PM · 12 hours ashore · Port guide

Day 22
Dover (London)Longest call

Arrives 7:00 AM · Departs 8:00 PM · 13 hours ashore · Port guide

Days 23–24 · two sea days
Day 25
Aarhus

Arrives 8:00 AM · Departs 6:00 PM · 10 hours ashore · Port guide

Day 26
KielDisembark

Arrives 8:00 AM · Port guide

Rio de Janeiro → SALVADOR BAHIA → FORTALEZA → PRAIA → Las Palmas (Gran Canaria) → Casablanca → Malaga → Leixes (Porto) → Vigo → Le Havre
13 ports13 sea days104 hours ashoreOne-way

Cabins

Pick a stateroom

Pick a cabin to update the price and history chart above.

  • Mini Suite with Ocean view Balcony

    What's in this price?
    Cruise fare
    $5,989
    Taxes
    $132
    Port charges
    $409
    Total per person
    $6,530
  • Size Approx.: 150 sq ft. Sleeps 2 guests (Some Sleep 3). Description: Samsara Inside staterooms have two twin beds most of which convert to a queen-sized bed, considerable closet space, a private bathroom with shower, as well as a sitting area with desk, vanity, and drawer space. Each stateroom also has its own interactive television with satellite, thermostat controlled air-conditioning, direct-dial telephone, hair dryer, mini bar, individual safe, complimentary continental breakfast, and 24 hour room service. Samsara Staterooms provide an exclusive experience with unlimited access to the Samsara Spa and Thalassotherapy pool, two complimentary treatments of your choice, and extra bath amenities that promote wellness and relaxation. Beverage Packages vary by market and subject to change at any time.

    What's in this price?
    Cruise fare
    $2,329
    Taxes
    $132
    Port charges
    $409
    Total per person
    $2,870
  • These Value Cabins, located on the lower decks of the ship, are an opportunity for those who want to enjoy a cruise at an unmissable price with the freedom to enjoy all the services and equipment the ship provides. Ideal for those who don't particularly need to choose their cabin, this being automatically assigned by the system from among the best ones available. The purchase of a Value Cabin does not entitle you to CostaClub points.

    What's in this price?
    Cruise fare
    $3,389
    Taxes
    $132
    Port charges
    $409
    Total per person
    $3,930
  • These Value Cabins, located on the lower decks of the ship, are an opportunity for those who want to enjoy a cruise at an unmissable price with the freedom to enjoy all the services and equipment the ship provides. Ideal for those who don't particularly need to choose their cabin, this being automatically assigned by the system from among the best ones available. The purchase of a Value Cabin does not entitle you to CostaClub points.

    What's in this price?
    Cruise fare
    $2,959
    Taxes
    $132
    Port charges
    $409
    Total per person
    $3,500

Your ship

Costa Diadema

Costa Diadema is built for relaxation and fun with lots of on board activities, lively bars, gourmet restaurants and the spa area. During the day and in the evening, you will be spoiled with choices for activities; from walks at sunset, to performances and theater shows where international artists will perform. The Aperol Spritz Bar is waiting for you! A games room to bring out the kid in you, or an excellent beer in a real German pub. You will find an entire deck dedicated to children that even has a Castle and Pirate galleon. And for moments of pure relaxation there is a great Spa at your disposal where you can enjoy a massage and look at the sea, a real treat!

8
restaurants
11
bars & lounges
11
pools
4,947
guests
Costa Diadema

About this ship

Costa Diadema is built for relaxation and fun with lots of on board activities, lively bars, gourmet restaurants and the spa area. During the day and in the evening, you will be spoiled with choices for activities; from walks at sunset, to performances and theater shows where international artists will perform. The Aperol Spritz Bar is waiting for you! A games room to bring out the kid in you, or an excellent beer in a real German pub. You will find an entire deck dedicated to children that even has a Castle and Pirate galleon. And for moments of pure relaxation there is a great Spa at your disposal where you can enjoy a massage and look at the sea, a real treat!

What your fare covers

Included, and what costs extra

In your fare
  • Main dining roomsTraditional complimentary dining
  • Pools & fitnessShip amenities vary by vessel
  • Entertainment & Nightlife
  • Outdoor Activities
  • Kids & Teens
Extra cost
  • DiningA light and stylish Oriental setting serving Japanese cuisine at Teppanyaki restaurant. Costa will take you around the world on the water as well as at the table, with dinners that are always an experience to be enjoyed. On the Costa Diadema, for example, you can spend an evening at the wonderful Japanese Teppanyaki Restaurant, a genuine Oriental-style lounge-restaurant. You can order light sushi, sashimi, and lots of other Oriental specialties skillfully prepared by the chefs. It will feel as if you have actually been to Japan! Other dining options available on the ship now are Pizzeria, Club restaurant, and Samsara restaurant and Bars like Dresden Green Pub, Gran Duca di Toscana Wine Bar and the Amarillo Ice Cream Parlour.
  • Amarillo Ice Cream Shop and Chocolate BarA creamy homemade ice cream or some delicious chocolate praline? No one can resist the delicacies of the Amarillo Ice Cream Shop. An environment that is right out of a fairy tale, where you can enjoy a romantic indulgence or a delicious snack with your children. For the Amarillo Ice Cream Shop, Costa chose the best: the ice cream makers use only Agrimontana-based flavorings to prepare a delicious, creamy ice cream on board, preserving all the nutritional properties.
  • Pizzeria Pummid'oroA 100% made in Italy pizza, with high - quality ingredients and the genuineness of dough made with leavening prepared with mother yeast. On board, a Costa ship is one place more than any other that makes you feel like you are in Italy. Pizzeria Pummid’oro, where you can eat the most famous Italian dish prepared strictly according to the original recipe. Spend a casual evening with friends or your family.
  • Buffet RestaurantBuffet restaurant available at an extra charge, open for breakfast, lunch, and dinner. Cost: Additional Fee Open for: Breakfast, Lunch, Dinner
  • Sushino At CostaSushino at Costa is first sushi bistro on board and is designed to bring you an authentic Japanese experience that includes nigiri, maki, sashimi, and mochi.
  • Bars & LoungesAn Aperol Spritz is an invitation to smile the whole day in an atmosphere of serenity, an expression of joy on your Costa cruise. When is the right time for an Aperol Spritz? At sunset when you've enjoyed your excursions, relax at sea, wearing your special attire for an evening with friends, sitting at the Aperol Spritz bar and enjoying the sun slowly set. Or before lunch when you're thirsty from participating in the activities with the entertainment team, and you would like something to cool you down and give you an appetite.
  • Bar BollicineDiscover the elegance of Ferrari Trentodoc bubbles with a toast on the sea that will seduce you from the first sip
  • Gran Ducca Di Toscana Wine BarGran Ducca Di Toscana Wine Bar.

Before you book

Cruise line policies

Pulled from your cruise line's terms. Confirm exact penalties and rates at checkout.

Cancellation

Cancellation By Guest * WC and Asia – Restricted Fares (Promo and Last Minute) Last updated: March 6, 2026.

For bookings in UK please
click here
For bookings in EUR please
click here

Days before the departure

Until 90 days
$50 USD
89 - 60 days
$250 USD
59 - 30 days
50%
29 - 15 days
75%
14 - 0 days
100%

Cruise Only / Cruise plus Drinks

50%
100%

World Cruise and Asia (Serena)

Days before the departure
Cruise Only / Cruise plus Drinks
Until 90 days
15%
89 - 60 days
25%
59 - 30 days
50%
29 - 15 days
75%
14 - 0 days
100%
Gratuities

The service charge, which is calculated on a daily basis according to the length of the cruise, the destination and the ship, is used to provide incentive to staff who perform hotel duties and to continually improve the quality of service offered onboard Costa Cruises ships. The service charge is an integral part of the cruise and therefore the amount cannot be altered. As a convenience, Costa Cruises will add a m…

Cruises departing from:

United States
$12.50 USD
Mediterranean
11 euros
Northern Europe
11 euros
Caribbean (non US port)
11 euros
South America
$14.50 USD
Dubai and UAE
11 euros
Indian Ocean
11 euros
Japan*
Suites: $16.50 USD; all other cabins: $13.50 USD
Pregnancy

Pregnant women are allowed to sail only if pregnant for 24 completed weeks or less on the date of cruise disembarkation. ALL PREGNANT WOMEN MUST PROVIDE TO CCL AT EMBARKATION A PHYSICIAN'S LETTER stating the estimated date of delivery and that the mother and baby are in good health and fit to travel and the pregnancy is not at risk.

Children & infants

Infants must be at least six (6) months of age at the time of embarkation to sail. Infants must be at least 12 months of age at the time of embarkation to sail on transatlantic cruises, World Cruises, cruises of 15 days or longer duration, and any other itinerary which may in the opinion of Costa Cruises present serious risk to infants in need of emergency medical care. Guests under the age of 21 must be accompani…

Smoking

Smoking cigarettes, cigars and pipes is permitted only in certain areas of the ships including cigar lounges, designated outdoor smoking areas and outside on private balconies. Smoking is strictly prohibited inside the cabins. To avoid the risk of fire, cigarettes must be extinguished and left in the ashtrays provided.

The fine print

Ship specifications

Prices are per person (double occupancy) and include taxes and port fees when available. Gratuities and optional extras are separate. Fares can change until you book — we'll confirm the final total at checkout.

Book this cruise

Sail date

Mon, Apr 5, 2027

Updates the price shown here — you'll confirm when you book.

From

$2,870pp

$115 / night avg

Including taxes & port fees

Questions about this sailing?

Inside · today
$2,870
Book now