Costa Diadema: 7-Night South America
This 7-night South America cruise aboard the Costa Diadema by Costa Cruises departs Buenos Aires on March 10, 2027, calling at Montevideo, Itajai, São Paulo (Santos), and returns March 17, 2027. Cabin prices start from $1,292 per person.
How this date compares
1 of 12 dates
Costa Diadema sails round trip from Buenos Aires to these three ports on 12 dates between December 2026 and March 2027. All 11 other dates in the table below call at them in the same order.
Cheapest of 3
At $1,292 for an interior cabin, this date is the cheapest of the 3 dates from January to March 2027 in the table below.
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
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 Mar 10 |
|---|---|---|---|
| Dec 23, 2026 | Montevideo, Itajai, São Paulo (Santos) | Sold out | |
| Dec 30, 2026 | Montevideo, Itajai, São Paulo (Santos) | Sold out | |
| Jan 6, 2027 | Montevideo, Itajai, São Paulo (Santos) | Sold out | |
| Jan 13, 2027 | Montevideo, Itajai, São Paulo (Santos) | Sold out | |
| Jan 20, 2027 | Montevideo, Itajai, São Paulo (Santos) | Sold out | |
| Jan 27, 2027 | Montevideo, Itajai, São Paulo (Santos) | $1,342 | +$50 |
| Feb 3, 2027 | Montevideo, Itajai, São Paulo (Santos) | Sold out | |
| Feb 10, 2027 | Montevideo, Itajai, São Paulo (Santos) | Sold out | |
| Feb 17, 2027 | Montevideo, Itajai, São Paulo (Santos) | $1,302 | +$10 |
| Feb 24, 2027 | Montevideo, Itajai, São Paulo (Santos) | Sold out | |
| Mar 3, 2027 | Montevideo, Itajai, São Paulo (Santos) | Sold out | |
| Mar 10, 2027 | Montevideo, Itajai, São Paulo (Santos) | $1,292 | this sailing |
Costa Diadema, round trip from Buenos Aires, 7 nights. Interior cabin, per person, two sharing, taxes and port fees included. Prices checked as of Nov 11, 2026.
Other South America departures
Questions about this sailing
How much does this cruise cost per night?
Interior cabins start at $1,292 per person for the 7 nights, about $185 a night, with taxes and port fees included. A balcony starts at $1,532, about $219 a night.
Is $1,292 a good price for this sailing?
It is $266 above the lowest interior price we have recorded for this sailing since March 9, 2026 ($1,026 on March 9, 2026). It is also the cheapest of the 3 dates from January to March 2027 on this route shown above.
Which ports does it visit?
It sails round trip from Buenos Aires and calls at Montevideo, Itajai and São Paulo (Santos), with 3 days at sea.
Are there other dates with the same ports?
Yes. Costa Diadema sails this route on 12 dates between December 2026 and March 2027.
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