7 Night Round Trip from Buenos Aires on the Costa Diadema
Settle in for seven nights of breathtaking travel through the sea when you book your cabin on the Costa Diadema from Buenos Aires and back again.
Stopping at exotic destinations such as Itajai, Montevideo, and Santos makes this trip special. This route is an unusual one for the Diadema.
Our price is the total price, including meals, entertainment, taxes, and fees.
The Costa Diadema
The Diadema Costa, based in Europe and South America and refurbished only three years ago in 2023, is a Dream class vessel that can carry comfortably over 3,700 guests.
The Diadema Costa boasts a roller skating rink, a casino, a spa, a jacuzzi, an outdoor movie theater, a solarium, and a gym.
Your Itinerary
This cruise spends three days in port and three sea days. Highlights include visits to very uncommon cities like Itajai, Montevideo, and Santos.
Alternate Sailings
The Diadema sails this route two times this year plus 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.
Book Your Cruise
The accompanying graph shows the cost over time for all types of cabin. Since being listed five months ago, The price of a stateroom on this sailing has fluctuated between $1,064 and $1,345 including taxes and port charges.
Last Updated: Aug 9, 2026
Last Modified: Aug 1, 2026