7 Night Round Trip from Buenos Aires on the Costa Diadema
Join the Costa Diadema and prepare for seven nights of luxurious cruising through the sea from Buenos Aires and back again!
This trip is special because you'll exclusively spend time at exotic destinations such as Itajai, Montevideo, and Santos. This route is an unusual one for the Diadema.
Our price is the total you pay for an outside cabin, no surprises.
The Costa Diadema
Based in South America and Europe and refurbished only three years ago in 2023, more than 3,700 travelers can cruise comfortably on this Dream class ship.
The Diadema Costa has a roller skating rink, a spa, a solarium, a jacuzzi, an outdoor movie theater, a casino, and a gym.
Your Itinerary
This itinerary is made up of three port days and three days at sea. Major features include visits to very uncommon stops like Itajai, Montevideo, and Santos.
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 for an outside cabin.
Book Your Cruise
Since being listed seven months ago, The price of an outside cabin on this itinerary has ranged between $1,139 and $1,445 including taxes and port fees. The accompanying graph indicates the cost over time for every class of cabin.
Last Updated: Oct 2, 2026
Last Modified: Oct 2, 2026