Costa Diadema: 7-Night South America
This 7-night South America cruise aboard the Costa Diadema by Costa Cruises departs Montevideo on March 4, 2027, calling at Itajai, São Paulo (Santos), Buenos Aires, and returns March 11, 2027. Cabin prices start from $1,042 per person.
How this date compares
1 of 11 dates
Costa Diadema sails round trip from Montevideo to these three ports on 11 dates between December 2026 and March 2027. All 10 other dates in the table below call at them in the same order.
2nd lowest of 3
At $1,042 for an interior cabin, this date is the 2nd lowest of the 3 dates from February to March 2027 in the table below. The lowest is $1,022 on Mar 11, 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 Mar 4 |
|---|---|---|---|
| Dec 24, 2026 | Itajai, São Paulo (Santos), Buenos Aires | Sold out | |
| Dec 31, 2026 | Itajai, São Paulo (Santos), Buenos Aires | Sold out | |
| Jan 7, 2027 | Itajai, São Paulo (Santos), Buenos Aires | Sold out | |
| Jan 14, 2027 | Itajai, São Paulo (Santos), Buenos Aires | Sold out | |
| Jan 21, 2027 | Itajai, São Paulo (Santos), Buenos Aires | Sold out | |
| Jan 28, 2027 | Itajai, São Paulo (Santos), Buenos Aires | Sold out | |
| Feb 4, 2027 | Itajai, São Paulo (Santos), Buenos Aires | Sold out | |
| Feb 18, 2027 | Itajai, São Paulo (Santos), Buenos Aires | $1,052 | +$10 |
| Feb 25, 2027 | Itajai, São Paulo (Santos), Buenos Aires | Sold out | |
| Mar 4, 2027 | Itajai, São Paulo (Santos), Buenos Aires | $1,042 | this sailing |
| Mar 11, 2027 | Itajai, São Paulo (Santos), Buenos Aires | $1,022 | −$20 |
Costa Diadema, round trip from Montevideo, 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 $1,042 per person for the 7 nights, about $149 a night, with taxes and port fees included. A balcony starts at $1,222, about $175 a night.
Which ports does it visit?
It sails round trip from Montevideo and calls at Itajai, São Paulo (Santos) and Buenos Aires, with 3 days at sea.
Are there other dates with the same ports?
Yes. Costa Diadema sails this route on 11 dates between December 2026 and March 2027.
We may earn a commission when you book through this link, at no extra cost to you.
Get a price-drop alert
Pick the cabins to watch. We check prices daily and email you when one drops. Free for 1 cruise.
We may earn a commission when you book through this link, at no extra cost to you.