Costa Diadema: 7-Night South America
This 7-night South America cruise aboard the Costa Diadema by Costa Cruises departs São Paulo (Santos) on March 14, 2027, calling at Buenos Aires, Montevideo, Itajai, and returns March 21, 2027. Cabin prices start from $1,371 per person.
How this date compares
1 of 13 dates
Costa Diadema sails round trip from São Paulo (Santos) 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.
Cheapest of 3
At $1,371 for an interior cabin, this date is the cheapest of the 3 dates from January to March 2027 in the table below.
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 Mar 14 |
|---|---|---|---|
| Dec 27, 2026 | Buenos Aires, Montevideo, Itajai | Sold out | |
| Jan 3, 2027 | Buenos Aires, Montevideo, Itajai | Sold out | |
| Jan 10, 2027 | Buenos Aires, Montevideo, Itajai | Sold out | |
| Jan 17, 2027 | Buenos Aires, Montevideo, Itajai | Sold out | |
| Jan 24, 2027 | Buenos Aires, Montevideo, Itajai | Sold out | |
| Jan 31, 2027 | Buenos Aires, Montevideo, Itajai | $1,441 | +$70 |
| Feb 7, 2027 | Buenos Aires, Montevideo, Itajai | Sold out | |
| Feb 14, 2027 | Buenos Aires, Montevideo, Itajai | $1,411 | +$40 |
| Feb 21, 2027 | Buenos Aires, Montevideo, Itajai | Sold out | |
| Feb 28, 2027 | Buenos Aires, Montevideo, Itajai | Sold out | |
| Mar 7, 2027 | Buenos Aires, Montevideo, Itajai | Sold out | |
| Mar 14, 2027 | Buenos Aires, Montevideo, Itajai | $1,371 | this sailing |
Costa Diadema, round trip from São Paulo (Santos), 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 $1,371 per person for the 7 nights, about $196 a night, with taxes and port fees included. A balcony starts at $1,611, about $230 a night.
Is $1,371 a good price for this sailing?
It is $332 above the lowest interior price we have recorded for this sailing since March 9, 2026 ($1,039 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 São Paulo (Santos) and calls at Buenos Aires, Montevideo and Itajai, 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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