Costa Diadema: 4-Night South America from Buenos Aires
This 4-night South America cruise aboard the Costa Diadema by Costa Cruises sails from Buenos Aires to São Paulo (Santos), departing March 17, 2027, calling at Montevideo, Itajai, and returns March 21, 2027. Cabin prices start from $700 per person.
Buenos Aires is Argentina's capital and the primary embarkation port for cruise itineraries to Patagonia, the Falkland Islands, Antarctica, and around South America. The cruise terminal (Terminal de Cruceros Benito Quinquela Martin) is in the Puerto Madero/La Boca area on the Rio de la Plata, about 3 km from the city center.
Read more →Santos is Brazil's largest port and the cruise gateway to Sao Paulo, South America's biggest city (about 70 km inland). The port of Santos sits on a narrow island between the mainland and the coast, with the cruise terminal in the historic center near the waterfront.
Read more →Interior cabin
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Questions about this sailing
How much does this cruise cost per night?
Interior cabins start at $700 per person for the 4 nights, about $175 a night, with taxes and port fees included. A balcony starts at $800, about $200 a night.
Is $700 a good price for this sailing?
It is the lowest interior price we have recorded for this sailing since April 5, 2026.
Which ports does it visit?
It sails from Buenos Aires to São Paulo (Santos) and calls at Montevideo and Itajai, with 1 day at sea.
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