⚓ Cruises

South America cruises from San Antonio

3 itineraries with a bookable sailing ahead, 3 sailings, most popular first. Each card: how long, how many ports, when, from what price — and the bucket-list thing to do at every stop.

All cruises › South America cruises from San Antonio

Cruise line

Princess2 Costa1

Most popular first

Ranked by what people search for and where the cruise lines send the most ships.

Puerto Montt

15-night San Antonio to Buenos Aires

Princess · Majestic Princess

9 ports
One way
Sails Dec 22, 2026
From $2,452 pp
Premium

Puerto Montt Private Osorno Volcano & Petrohué Falls Shore Excursion
Punta Arenas Full-Day King Penguin Colony & Tierra del Fuego Expedition
Cockburn And Beagle Channels Isla Martillo: Walk Among Penguins at Estancia Harberton

See the whole trip →

Puerto Montt

15-night San Antonio to Buenos Aires

Princess · Majestic Princess

9 ports
One way
Sails Dec 6, 2027
From $2,224 pp
Premium

Puerto Montt Private Osorno Volcano & Petrohué Falls Shore Excursion
Punta Arenas Full-Day King Penguin Colony & Tierra del Fuego Expedition
Cockburn And Beagle Channels Isla Martillo: Walk Among Penguins at Estancia Harberton

See the whole trip →

Puerto Montt

14-night San Antonio to Buenos Aires

Costa · Costa Serena

7 ports
One way
Sails Dec 8, 2026
From $2,305 pp
Contemporary

Puerto Montt Private Osorno Volcano & Petrohué Falls Shore Excursion
Puerto Chacabuco Laguna San Rafael Glacier: Catamaran Expedition
Punta Arenas Full-Day King Penguin Colony & Tierra del Fuego Expedition

See the whole trip →

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