7 Night Round Trip from Buenos Aires on the Costa Diadema

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Prepare for seven nights of refreshing cruising across the sea when you book your balcony cabin on the Costa Diadema from Buenos Aires and back.

This trip is particularly interesting because you will exclusively call on extremely rare destinations like Itajai, Montevideo, and Santos. This route is an uncommon one for the Diadema.

We include all all meals, entertainment, port charges, and taxes in this, so there are no surprises at checkout.

Outdoor Movie Theater
Day 5: Sao Paulo

The Costa Diadema

Based in South America and Europe and refurbished less than three years ago in 2023, over 3,700 guests can travel comfortably on this Dream class ship.

The Diadema Costa delights guests with a roller skating rink, a casino, a jacuzzi, a gym, a solarium, an outdoor movie theater, and a spa.

Costa Diadema
Casino

Your Itinerary

This itinerary includes three days at sea and three port days. High points include visits to very uncommon stops like Itajai, Montevideo, and Santos.

Wed6January 6thWednesday
6:00pm
Thu7January 7thThursday
8:00am – 4:00pm
Fri8January 8thFriday
At Sea
Sat9January 9thSaturday
10:00am – 5:00pm
10:00am – 5:00pm
Sun10January 10thSunday
8:00am – 5:00pm
Mon11January 11thMonday
At Sea
Tue12January 12thTuesday
At Sea
Wed13January 13thWednesday
8:00am
Add to calendar: Calendar AppleApple Calendar GoogleGoogle (Simple/All Stops) Calendar OutlookOutlook Other (.ics)
Print my CruiseSheet (PDF) one page with the route, schedule, weather & a notes box for each day
January 6th, 2027 - Cruise from Buenos Aires on the Costa Diadema
Your Route
Gym
Day 2: Montevideo

Alternate Sailings

The Diadema sails this route two times this year in addition to nine times next year. This is the only ship that sails this exact route. In the accompanying graphic you can see a visualization of when this ship sails as well as the relative price for a balcony cabin.

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
2026
2028
$1,372 $1,942
Sold Out

See every departure of this route →


Book Your Cruise

Since being listed seven months ago, The price of a balcony cabin on this itinerary has ranged between $1,356 and $1,735 including taxes and port fees. This graph shows the cost over time for the different types of cabin. At only $176 more than the all time low of $1,356 now is a great time to lock in your balcony room

inside
outside
balcony
suite
$1,332
$1,452
$1,532
$1,702
$190.29/day
$207.43/day
$218.86/day
$243.14/day
Book Book Book Book

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Last Updated: Oct 2, 2026

Last Modified: Oct 1, 2026

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Guests in this cabin
Ages at the time of sailing

Special fares are dependent on eligibility

Continue Booking from $1,532 Continue Booking