7 Night Round Trip from Buenos Aires on the Costa Diadema
Embark on the Costa Diadema and prepare for seven nights of luxurious sailing across the sea from Buenos Aires and back!
Visiting extremely rare destinations such as Itajai, Montevideo, and Santos makes this sailing particularly interesting. This route is an uncommon one for the Diadema.
We include all meals, entertainment, taxes, and fees in our price, so that you can compare cruises easily. Book now, because the price of this cruise is on its way up! Secure your room before the price increases.
The Costa Diadema
The Diadema Costa, based in South America and Europe and refurbished less than three years ago in 2023, is a Dream class cruise ship that can house comfortably over 3,700 guests.
The Diadema Costa offers guests a roller skating rink, a spa, a gym, a casino, a jacuzzi, a solarium, and an outdoor movie theater.
Your Itinerary
This cruise is made up of three port days and three sea days. Highlights include visits to rare ports like Itajai, Montevideo, and Santos.
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Outlook
Alternate Sailings
The Diadema sails this route two times this year as well as 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.
Book Your Cruise
Since being listed seven months ago, The price of a room on this sailing has fluctuated between $1,304 and $1,665 inclusive of taxes and port charges. This graph indicates the price over time for every type of cabin. This itinerary has just risen in price, so secure your room now before it moves upwards further.
Last Updated: Sep 30, 2026
Last Modified: Sep 27, 2026