Costa Diadema: 7-Night South America
This 7-night South America cruise aboard the Costa Diadema by Costa Cruises departs Itajai on December 19, 2026, calling at São Paulo (Santos), Buenos Aires, Montevideo, and returns December 26, 2026. Cabin prices start from $1,326 per person.
How this date compares
1 of 13 dates
Costa Diadema sails round trip from Itajai to these three ports on 13 dates between December 2026 and March 2027. All 11 other dates in the table below call at them in the same order.
Highest of 3
At $1,326 for an interior cabin, this date is the highest of the 3 dates from December 2026 to February 2027 in the table below. The lowest is $1,056 on Feb 13, 2027.
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 →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 →Interior cabin
New to these charts? How to read cruise price history
Costa Diadema to these three ports on other dates
| Departs | Port order | Interior from | vs Dec 19 |
|---|---|---|---|
| Dec 19, 2026 | São Paulo (Santos), Buenos Aires, Montevideo | $1,326 | this sailing |
| Dec 26, 2026 | São Paulo (Santos), Buenos Aires, Montevideo | Sold out | |
| Jan 2, 2027 | São Paulo (Santos), Buenos Aires, Montevideo | Sold out | |
| Jan 9, 2027 | São Paulo (Santos), Buenos Aires, Montevideo | Sold out | |
| Jan 16, 2027 | São Paulo (Santos), Buenos Aires, Montevideo | Sold out | |
| Jan 23, 2027 | São Paulo (Santos), Buenos Aires, Montevideo | Sold out | |
| Jan 30, 2027 | São Paulo (Santos), Buenos Aires, Montevideo | $1,076 | −$250 |
| Feb 6, 2027 | São Paulo (Santos), Buenos Aires, Montevideo | Sold out | |
| Feb 13, 2027 | São Paulo (Santos), Buenos Aires, Montevideo | $1,056 | −$270 |
| Feb 20, 2027 | São Paulo (Santos), Buenos Aires, Montevideo | Sold out | |
| Feb 27, 2027 | São Paulo (Santos), Buenos Aires, Montevideo | Sold out | |
| Mar 6, 2027 | São Paulo (Santos), Buenos Aires, Montevideo | Sold out |
Costa Diadema, round trip from Itajai, 7 nights. Interior cabin, per person, two sharing, taxes and port fees included. Prices checked as of Oct 29, 2026.
Other South America departures
Questions about this sailing
How much does this cruise cost per night?
Interior cabins start at $1,326 per person for the 7 nights, about $189 a night, with taxes and port fees included. A balcony starts at $1,546, about $221 a night.
Which ports does it visit?
It sails round trip from Itajai and calls at São Paulo (Santos), Buenos Aires and Montevideo, with 3 days at sea.
Are there other dates with the same ports?
Yes. Costa Diadema sails this route on 13 dates between December 2026 and March 2027.
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