7 Night Round Trip from Buenos Aires on the Costa Diadema
Reserve your balcony cabin on the Costa Diadema and prepare for seven nights of exciting travel across the sea from Buenos Aires and back!
Stopping in extremely rare ports like Itajai, Montevideo, and Santos makes this sailing particularly interesting. This route is an uncommon one for the Diadema.
We include all all taxes and fees in the price, so that you can compare sailings easily.
The Costa Diadema
Based in South America and Europe and refurbished less than three years ago in 2023, more than 3,700 people can cruise on this Dream class vessel.
The Diadema Costa boasts a roller skating rink, a casino, a spa, a gym, a jacuzzi, a solarium, and an outdoor movie theater.
Your Itinerary
This sailing includes three days at sea and three port days. Major features include visits to rare cities like Itajai, Montevideo, and Santos.
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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
Since it was first listed on February 26th of this year, The price of a balcony room on this sailing has varied between $1,206 and $1,535 inclusive of taxes and port fees. The accompanying graph shows the price over time for every type of cabin.
Last Updated: Oct 2, 2026
Last Modified: Oct 2, 2026