The massive white cruise ship Costa Diadema is docked in a port on calm blue water. The ship features numerous rows of glass passenger balconies, yellow lifeboats along its side, a yellow funnel with a blue "C" logo, and a background of fluffy white clouds in a blue sky.

Costa Cruises

South America from Buenos Aires

South America

Photo: Z thomas · CC BY-SA 4.0 (share-alike) · Re-encoded to WebP.

Sailing Itinerary

Pricing

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Trip Details

Departs: February 24, 2027

Returns: March 3, 2027

Departure Port: Buenos Aires

Ship: Costa Diadema

Before You Decide

11 other departures of this route

The identical itinerary, priced week by week. The gap is often hundreds of dollars.

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6 cruises leaving the same week

Other ships and other routes of about this length, from ports near this one.

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Your Ship

Costa Diadema

Flagship of the old fleet, and the ship that swaps the Norwegian fjords for Brazil every November

Aboard

  • Built by Fincantieri at Marghera and delivered October 25, 2014, for €550 million
  • The largest ship ever built for Costa until Costa Smeralda arrived in 2019
  • An outdoor promenade running more than 500 metres around the ship
  • Six Wärtsilä engines, 67,200 kW, driving twin screws rather than pods
  • Northern European summers from Copenhagen and Kiel, Brazilian summers from Santos and Itajaí
More About Costa Diadema

Ashore

Where You Stop

Buenos Aires

Compare Dates

The Same Trip, Other Weeks

The identical itinerary on this ship, priced by departure. Fares move week to week, and the difference is often larger than anything else on this page.

DepartsFrom
December 23, 2026
December 30, 2026
January 6, 2027
January 13, 2027
January 20, 2027
January 27, 2027
February 3, 2027
February 10, 2027
February 17, 2027
February 24, 2027This sailing
March 3, 2027
March 10, 2027

Compare Alternatives

Sailing the Same Week

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Feb 27, 2027 • departs Buenos Aires

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Feb 27, 2027 • departs Buenos Aires

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