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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. September and January are the most popular months to travel through South America and we have 515 departures available.
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12 trips (515 trip Departures)
21 Day Absolute Peru (Inca Trail) with G Adventures
Tour
 (1)

21 Days Lima to Lima
Operated By: G Adventures
Departures: Jul 2026 to Dec 2027
Trip Styles: Adventure, Small Group, Walking & Hiking, Wildlife, Inca Trail
Visit: Peru
Exclusive Savings
From
US$4,139
Save 780
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: Jul 2026 to Dec 2027
Trip Styles: Adventure, Small Group, Wildlife
Visit: Peru
Exclusive Savings
From
US$4,139
Save 780
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: Sep 2026 to Oct 2026
Visit: Brazil, Argentina, Peru, Ecuador, Galapagos
Sign Up Savings
Exclusive Savings
From
US$11,700
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
Departure: 13 November 2026
Visit: Brazil, Argentina, Peru, Ecuador, Galapagos
Today's Deal
Exclusive Savings
From
US$11,220
Save 630
Per Person
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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: Jul 2026 to Dec 2027
Visit: Ecuador, Peru, Galapagos
Exclusive Savings
From
US$6,884
Save 2,221
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: Jul 2026 to Dec 2027
Trip Styles: Adventure, Small Group, 18-30's, Walking & Hiking, Inca Trail
Visit: Bolivia, Peru
Exclusive Savings
From
US$2,393
Save 1,059
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: Sep 2026 to Oct 2026
Visit: Peru, Ecuador, Galapagos
From
US$8,568
Per Person
View Trip
21 Day Peru Essentials with Intrepid Travel
Tour

21 Days Lima to La Paz
Operated By: Intrepid Travel
Departures: Jun 2026 to Dec 2028
Trip Styles: Adventure, Small Group, Walking & Hiking, Inca Trail
Visit: Bolivia, Peru
Exclusive Savings
From
US$2,624
Save 664
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, Scenic Ikon
Departures: Jan 2027 to Jan 2029
Trip Styles: Coach, Cruise, Scenic
Visit: Brazil, Argentina, Antarctica
Inside
-
Oceanview
-
Balcony
$31,930
Suite
$35,330
From
US$31,930
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: Jul 2026 to Dec 2027
Trip Styles: Adventure, Small Group, Wildlife
Visit: Peru
Exclusive Savings
From
US$4,020
Save 748
Per Person
View Trip
21 Day Southern Divide with G Adventures
Tour

21 Days Lima to Santiago
Operated By: G Adventures
Departures: Aug 2026 to Dec 2027
Trip Styles: Adventure, Small Group
Visit: Peru, Bolivia, Chile
Exclusive Savings
From
US$4,122
Save 727
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: Jul 2026 to Nov 2028
Trip Styles: Adventure, Small Group
Visit: Argentina, Brazil, Peru
Exclusive Savings
From
US$9,795
Save 1,775
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 4WD Trips Active Adventures Camping Tours Coach Tours Cycling Tours Family Holidays Festivals & Events Kayaking Trips Luxury Tours Rail Journeys Short Breaks Small Group Tours Walking & Hiking Tours Wildlife Tours Woman Only Trips

Trip Lengths

1 Month 10 Day 2 Week 3 Week 4 Week 7 Day

Departure Months

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

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