7 Night Round Trip from Buenos Aires on the Costa Diadema
Join the Costa Diadema and prepare for seven nights of relaxing cruising through the sea from Buenos Aires and back again!
This cruise is particularly interesting because you'll only stop at once-in-a-lifetime stops like Itajai, Montevideo, and Santos. This route is a rare one for the Diadema.
Offered at less than $200 per day for a balcony cabin, this represents a strong bargain. Our price is the total price for a balcony cabin, including meals, entertainment, taxes, and fees.
The Costa Diadema
Based in South America and Europe and refurbished less than three years ago in 2023, more than 3,700 passengers can sail comfortably on this Dream class ship.
The Diadema Costa offers guests a roller skating rink, a spa, a casino, a jacuzzi, a gym, an outdoor movie theater, and a solarium.
Your Itinerary
This sailing spends three port days and three days at sea. High points include visits to very uncommon cities like Itajai, Montevideo, and Santos.
Apple
Outlook
Alternate Sailings
The Diadema sails this route two times this year in addition to nine times next year. No other ship sails this exact same 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.
Book Your Cruise
The accompanying graph indicates the cost over time for every type of cabin. Since it was first listed on February 26th of this year, The price of a balcony room on this cruise has varied between $1,214 and $1,545 inclusive of taxes and port charges. Now this itinerary is only $158 higher than the all time low of $1,214 so secure your balcony room now before it goes up.
Last Updated: Oct 2, 2026
Last Modified: Sep 30, 2026