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3 Week Tours through South America

Looking to explore South America for 3 weeks? Then choose from our range of tours and small group adventures with 5 of the best tour operators to South America. June, August and November are the most popular months to travel through South America and we have 590 departures available.
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12 trips (590 trip Departures)
21 Day Absolute Peru (Inca Trail) with G Adventures
Tour
 (1)

21 Days Lima to Lima
Operated By: G Adventures
Departures: Mar 2026 to Dec 2027
Trip Styles: Adventure, Small Group, Walking & Hiking, Wildlife, Inca Trail
Visit: Peru
Great Adventure Sale
G's February Sale
Exclusive Savings
From
US$3,306
Save 1,563
Per Person
View Trip
21 Day South America Revealed with Galápagos Legend North and Central Cruise with Trafalgar
Tour + Cruise

21 Days Rio de Janeiro to Quito
Operated By: Trafalgar
Departures: Jun 2026 to Nov 2026
Visit: Brazil, Argentina, Peru, Ecuador, Galapagos
Sign Up Savings
Exclusive Savings
From
US$11,454
Save 396
Per Person
View Trip
21 Day Best of Peru, Argentina & Brazil with Intrepid Travel
Tour

21 Days Lima to Rio de Janeiro
Operated By: Intrepid Travel
Departures: Feb 2026 to Nov 2027
Trip Styles: Adventure, Small Group
Visit: Argentina, Brazil, Peru
Exclusive Savings
From
US$9,507
Save 1,556
Per Person
View Trip
21 Day Southern Divide with G Adventures
Tour

21 Days Lima to Santiago
Operated By: G Adventures
Departures: Jun 2026 to Dec 2027
Trip Styles: Adventure, Small Group
Visit: Peru, Bolivia, Chile
Great Adventure Sale
Exclusive Savings
From
US$3,928
Save 974
Per Person
View Trip
21 Day South America Revealed with Galápagos Legend East Cruise with Trafalgar
Tour + Cruise

21 Days Rio de Janeiro to Quito
Operated By: Trafalgar
Departures: May 2026 to Nov 2026
Visit: Brazil, Argentina, Peru, Ecuador, Galapagos
Sign Up Savings
Exclusive Savings
From
US$11,454
Save 396
Per Person
View Trip
21 Day Galapagos Cruise & Peru’s Land of the Incas (Grand Daphne) with Intrepid Travel
Tour

21 Days Quito to La Paz
Operated By: Intrepid Travel
Departures: Feb 2026 to Dec 2027
Visit: Ecuador, Peru, Galapagos
Exclusive Savings
From
US$7,539
Save 1,722
Per Person
View Trip
21 Day Highlights of Antarctica, Argentina and Brazil - Cruise & Land Journey with Scenic
Tour + Cruise

21 Days Rio de Janeiro to Buenos Aires
Operated By: Scenic
Ships: Scenic Eclipse II, Scenic Eclipse I
Departures: Jan 2027 to Jan 2027
Trip Styles: Coach, Cruise, Scenic
Visit: Brazil, Argentina, Antarctica
Multiple Deals Available
Inside
-
Oceanview
-
Balcony
$27,400
Suite
$34,440
From
US$27,400
Save 26,615
Per Person
View Trip
21 Day Absolute Peru: Amazon Jungle & Machu Picchu by Train with G Adventures
New ReleaseTour

21 Days Lima to Lima
Operated By: G Adventures
Departures: Mar 2026 to Dec 2027
Trip Styles: Adventure, Small Group, Wildlife
Visit: Peru
Great Adventure Sale
G's February Sale
Exclusive Savings
From
US$3,211
Save 1,518
Per Person
View Trip
21 Day Peru Essentials with Intrepid Travel
Tour

21 Days Lima to La Paz
Operated By: Intrepid Travel
Departures: Mar 2026 to Dec 2027
Trip Styles: Adventure, Small Group, Walking & Hiking, Inca Trail
Visit: Bolivia, Peru
Exclusive Savings
From
US$2,530
Save 778
Per Person
View Trip
21 Day Lima to La Paz: Sandboarding & Sunsets (Inca Trail) with G Adventures
Tour

21 Days Lima to La Paz
Operated By: G Adventures
Departures: Mar 2026 to Dec 2027
Trip Styles: Adventure, Small Group, 18-30's, Walking & Hiking, Inca Trail
Visit: Bolivia, Peru
Great Adventure Sale
G's February Sale
Exclusive Savings
From
US$2,487
Save 962
Per Person
View Trip
21 Day Absolute Peru (Machu Picchu by Train) with G Adventures
Tour

21 Days Lima to Lima
Operated By: G Adventures
Departures: Mar 2026 to Dec 2027
Trip Styles: Adventure, Small Group, Wildlife
Visit: Peru
Great Adventure Sale
G's February Sale
Exclusive Savings
From
US$3,306
Save 1,563
Per Person
View Trip
21 Day Mysteries of the Inca Empire with Peru's Amazon & Galapagos Cruise with Cosmos
Tour + Cruise

21 Days Lima to Quito
Operated By: Cosmos
Departures: May 2026 to Oct 2027
Visit: Peru, Ecuador, Galapagos
Exclusive Savings
From
US$8,310
Save 284
Per Person
View Trip
Results: 12 results

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South America Tours

All South America Tours Amazon Tours Argentina Tours Brazil Tours Chile Tours Colombia Tours Ecuador Tours Galapagos Tours Patagonia Tours Peru Tours

Central America Tours

All Central America Tours Belize Tours Costa Rica Tours Guatemala Tours Mexico Tours Panama Tours

Travel Styles

18-30's Tours Active Adventures Camping Tours Coach Tours Cycling Tours Family Holidays Festivals & Events Kayaking Trips Luxury Tours Short Breaks Small Group Tours Walking & Hiking Tours Wildlife Tours

Trip Lengths

1 Month 10 Day 2 Week 3 Week 7 Day

Departure Months

February March April May June July August September October November December January

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