7 Night Round Trip from Buenos Aires on the Costa Diadema
Join the Costa Diadema and prepare for seven nights of relaxing travel across the sea from Buenos Aires and back!
Stopping in once-in-a-lifetime stops like Itajai, Montevideo, and Santos makes this trip noteworthy. This route is an interesting one for the Diadema.
The price is the total you pay for an outside cabin, no surprises at checkout.
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 ship that can house comfortably over 3,700 guests.
The Diadema Costa has a roller skating rink, an outdoor movie theater, a spa, a jacuzzi, a casino, a solarium, and a gym.
Your Itinerary
This sailing includes three days in port and three sea days. Highlights include visits to extremely rare stops like Itajai, Montevideo, and Santos.
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 an outside cabin.
Book Your Cruise
Since being listed seven months ago, The price of this cruise has varied between $1,544 and $1,985 for an outside cabin, including taxes and port fees. The accompanying graph shows the price over time for every type of cabin. Today this cruise is only $198 more expensive than the all time low of $1,544 so reserve your outside room now before it goes up.
Last Updated: Oct 2, 2026
Last Modified: Sep 28, 2026