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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 6 of the best tour operators to South America. January and November are the most popular months to travel through South America and we have 506 departures available.
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15 trips (506 Departures)
15 trips (506 Departures)
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21 Day Absolute Peru (Inca Trail) with G Adventures
Tour
 (1)

21 Days Lima to Lima
Operator: G Adventures
Departures: Aug 2026 to Dec 2027
Trip Styles: Adventure, Small Group, Walking & Hiking, Wildlife, Inca Trail
Visits: Peru
Exclusive Savings
From (Per Person)
A$6,271
Save 150
Per Person
View Trip
21 Day Galapagos Cruise & Machu Picchu with Wendy Wu Tours
New ReleaseTour + CruiseFlights Included

21 Days Lima to Quito
Cruise Line: Wendy Wu
Departures: Dec 2026 to Mar 2028
Trip Styles: Coach, Small Group, Cruise, Wildlife, Scenic
Visits: Peru, Ecuador
Exclusive Savings
From (Per Person)
A$27,910
Save 2,070
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
Cruise Line: Scenic
Ships: Scenic Eclipse II, Scenic Eclipse I, Scenic Ikon
Departures: Jan 2027 to Jan 2029
Trip Styles: Coach, Cruise, Scenic
Visits: Brazil, Argentina, Antarctica
Exclusive Savings
Inside
-
Oceanview
-
Balcony
$38,166
Suite
$43,076
From (Per Person)
A$38,166
Save 8,265
Per Person
View Trip
21 Day Best of Peru, Argentina & Brazil with Intrepid Travel
Tour

21 Days Lima to Rio de Janeiro
Operator: Intrepid
Departures: Sep 2026 to Nov 2028
Trip Styles: Adventure, Small Group
Visits: Argentina, Brazil, Peru
Exclusive Savings
From (Per Person)
A$9,526
Save 3,030
Per Person
View Trip
21 Day Southern Divide with G Adventures
Tour

21 Days Lima to Santiago
Operator: G Adventures
Departures: Aug 2026 to Dec 2027
Trip Styles: Adventure, Small Group
Visits: Peru, Bolivia, Chile
Exclusive Savings
From (Per Person)
A$6,173
Save 139
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
Cruise Line: Unlisted
Tour Operator: Cosmos
Departures: Sep 2026 to Oct 2026
Trip Styles: Coach, Cruise, Island Hopping, Wildlife, Scenic
Visits: Peru, Ecuador, Galapagos
Exclusive Savings
From (Per Person)
A$12,721
Save 924
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
Cruise Line: Unlisted
Tour Operator: Trafalgar
Departure: 13 November 2026
Trip Styles: Coach, Cruise, Island Hopping, Wildlife, Scenic
Visits: Brazil, Argentina, Peru, Ecuador, Galapagos
Exclusive Savings
From (Per Person)
A$19,978
Save 1,447
Per Person
View Trip
21 Day Treasures of South America with Wendy Wu Tours
New ReleaseTourFlights Included

21 Days Lima to Rio De Janeiro
Operator: Wendy Wu
Departures: Sep 2026 to Oct 2027
Trip Styles: Coach, Small Group, Scenic
Visits: Peru, Brazil, Argentina
Exclusive Savings
From (Per Person)
A$20,658
Save 1,922
Per Person
View Trip
21 Day Peru Essentials with Intrepid Travel
Tour

21 Days Lima to La Paz
Operator: Intrepid
Departures: Aug 2026 to Dec 2028
Trip Styles: Adventure, Small Group, Walking & Hiking, Inca Trail
Visits: Bolivia, Peru
Exclusive Savings
From (Per Person)
A$3,312
Save 913
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
Operator: Intrepid
Departures: Dec 2026 to Dec 2027
Trip Styles: Adventure, Small Group, Island Hopping, Walking & Hiking, Wildlife, Inca Trail
Visits: Ecuador, Peru, Galapagos, Bolivia
Exclusive Savings
From (Per Person)
A$10,189
Save 2,146
Per Person
View Trip
21 Day Absolute Peru: Amazon Jungle & Machu Picchu by Train with G Adventures
New ReleaseTour

21 Days Lima to Lima
Operator: G Adventures
Departures: Aug 2026 to Dec 2027
Trip Styles: Adventure, Small Group, Wildlife
Visits: Peru
Exclusive Savings
From (Per Person)
A$5,879
Save 144
Per Person
View Trip
21 Day Antarctica & Latin Wonders with Wendy Wu Tours
New ReleaseTour + CruiseFlights Included

21 Days Rio de Janeiro to Buenos Aires
Cruise Line: Wendy Wu
Departure: 12 January 2027
Trip Styles: Coach, Cruise, Wildlife, Scenic
Visits: Brazil, Argentina, Antarctica
Exclusive Savings
From (Per Person)
A$39,768
Save 2,812
Per Person
View Trip
21 Day Lima to La Paz: Sandboarding & Sunsets (Inca Trail) with G Adventures
Tour

21 Days Lima to La Paz
Operator: G Adventures
Departures: Aug 2026 to Dec 2027
Trip Styles: Adventure, Small Group, 18-30's, Walking & Hiking, Inca Trail
Visits: Bolivia, Peru
Exclusive Savings
From (Per Person)
A$3,505
Save 1,304
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
Cruise Line: Unlisted
Tour Operator: Trafalgar
Departure: 23 October 2026
Trip Styles: Coach, Cruise, Island Hopping, Wildlife, Scenic
Visits: Brazil, Argentina, Peru, Ecuador, Galapagos
Exclusive Savings
From (Per Person)
A$20,938
Save 487
Per Person
View Trip
21 Day Absolute Peru (Machu Picchu by Train) with G Adventures
Tour

21 Days Lima to Lima
Operator: G Adventures
Departures: Aug 2026 to Dec 2027
Trip Styles: Adventure, Small Group, Wildlife
Visits: Peru
Exclusive Savings
From (Per Person)
A$6,271
Save 150
Per Person
View Trip
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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

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

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