Satisfy your wanderlust with one of our three-week tours in South America. Go on a memorable cycling trip through the picturesque villages of Peru, meeting locals and swapping stories with them along the way. Enjoy thrilling aerial adventures in the Andes in Argentina and get a bird’s eye view of Patagonia. Then trek the evergreen Inca trail and gaze at the magnificence of Mount Fitz Roy and Mount Torre. Boat your way to the heart of the Amazon, where you will wake up to the sound of birdsongs in the morning. Have a gravity-defying moment while paragliding in La Paz before going on a cultural pilgrimage through the continent. Make sure that you tick Machu Picchu, Teatro Amazonas, Bahai Temple, and the towering monument dedicated to Christ the Redeemer off your bucket list.

Check all the boxes with a three-week South America itinerary. 

12 South America 3-week itineraries and tours

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Southern Divide

  • Best price guaranteed
  • No booking fees
21 day cultural, religious and historic sites trip to Lima, Cusco and 13 other destinations in Peru, Chile and Bolivia. Read More
  • Tour Type Group Tour
  • Operator G Adventures Premier This operator is consistently delivering tours which receive customer ratings above 4.5 on average.
  • Activities Cultural, religious and historic sites & Explorer
  • Accommodation Hotel, Resort, Guest House & Hostel
  • Transport Train, Flight, Boat, Bus, 4WD Jeep & Private Vehicle
  • Age Range1+ years old
days21 From US$ 4,099 US$ 3,115
SavingUS$ 984
You've unlocked exclusive savings:
  • Brochure Price:US$ 4,099
  • Bookmundi Savings (5%):- US$ 164
  • Special Deal (20%):- US$ 820
  • Total Price from:US$ 3,115
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  • Mar 11 Only 9 seats left
  • Apr 15 Only 7 seats left
Tour with flexible booking policy
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Spirit of Shackleton

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  • No booking fees
21 day photography trip to Ushuaia, Beagle Channel Cruise and 4 other destinations in Argentina, Antarctica and Falkland Islands. Read More
  • Tour Type Group Tour
  • Operator G Adventures Premier This operator is consistently delivering tours which receive customer ratings above 4.5 on average.
  • Activities Photography tours & Wildlife +6 more
  • Accommodation Hotel & Ship Cabin
  • Transport Bus, Private Vehicle & Cruise Ship
  • Age Range1+ years old
days21 From US$ 23,899 US$ 22,704
SavingUS$ 1,195
You've unlocked exclusive savings:
  • Brochure Price:US$ 23,899
  • Bookmundi Savings (5%):- US$ 1,195
  • Total Price from:US$ 22,704
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Next Departures
  • Jan 11 Only 1 seat left
Tour with flexible booking policy
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Lima to La Paz: Sandboarding & Sunsets

of 1 review
  • Best price guaranteed
  • No booking fees
I can only recommend this tour. It was great and I really enjoyed it. Lots to see. Great exploring t ...
  • Tour Type Group Tour
  • Operator G Adventures Premier This operator is consistently delivering tours which receive customer ratings above 4.5 on average.
  • Activities Trekking & Cultural, religious and historic sites +1 more
  • Accommodation Hotel, Hostel & Home-stay
  • Transport Train, Bus, Flight, Boat & Private Vehicle
  • Age Range18-39 yrs
days21 From US$ 2,799 US$ 2,127
SavingUS$ 672
You've unlocked exclusive savings:
  • Brochure Price:US$ 2,799
  • Bookmundi Savings (5%):- US$ 112
  • Special Deal (20%):- US$ 560
  • Total Price from:US$ 2,127
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Next Departures
  • Feb 06 10+ seats left
  • Feb 20 Only 5 seats left
Tour with flexible booking policy
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Peru Essentials

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  • No booking fees
21 day trekking tour to Lima, Ballestas Islands and Paracas National Reserve and 7 other destinations travelling through Peru and Bolivia. Read More
  • Tour Type Group Tour
  • Operator Intrepid Travel Premier This operator is consistently delivering tours which receive customer ratings above 4.5 on average.
  • Activities Trekking & Walking tours
  • Accommodation Hotel, Camping, Tent & Home-stay
  • Transport Bus, Train, Private Vehicle, Boat, Flight & Minibus
  • Age Range15+ years old
days21 From US$ 2,960
SaveUS$ 148
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Next Departures
  • Apr 02 10+ seats left
  • May 07 10+ seats left
Tour with flexible booking policy
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Highlights of Argentina

of 1 review
  • Trip customizable
  • Best price guaranteed
We were able to see and do the most exciting things in Argentina! From trekking on glaciers ro dogsl ...
  • Tour Type Private Tour
  • Operator Beyond BA LATAM Active 1 day ago
  • Activities City sightseeing & Natural landmarks sightseeing +2 more
  • Accommodation Hotel
  • Transport Flight, Helicopter, Train, Bus, Yacht, Boat, Ferry, 4WD Jeep & Minibus
  • Age Range12+ years old
days21 From US$ 2,819 View Tour
Next Departures
  • Dec 27
  • Jan 03
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Best of Peru, Argentina & Brazil

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  • No booking fees
21 day explorer trip to Lima, Ballestas Islands and Paracas National Reserve and 11 other destinations in Peru, Brazil and Argentina. Read More
  • Tour Type Group Tour
  • Operator Intrepid Travel Premier This operator is consistently delivering tours which receive customer ratings above 4.5 on average.
  • Activities Explorer
  • Accommodation Hotel
  • Transport Boat, Train, Bus, Private Vehicle, Flight & Minibus
  • Age Range15+ years old
days21 From US$ 7,140
SaveUS$ 357
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Next Departures
  • Mar 12 Only 8 seats left
  • Apr 09 Only 6 seats left
Tour with flexible booking policy
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Antarctica, South Georgia & Falklands Odyssey

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  • No booking fees
21 day wildlife tour to Ushuaia, Drake Passage and 5 other destinations in Argentina, Antarctica and Falkland Islands. Read More
  • Tour Type Group Tour
  • Operator Intrepid Travel Premier This operator is consistently delivering tours which receive customer ratings above 4.5 on average.
  • Activities Wildlife & Polar expeditions and cruise +1 more
  • Accommodation Ship Cabin & Hotel
  • Transport Cruise Ship
  • Age Range8+ years old
days21 From US$ 14,290
SaveUS$ 715
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Next Departures
  • Mar 10 Only 1 seat left
Tour with flexible booking policy
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Antarctica, South Georgia and Falklands Explorer

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  • No booking fees
21 day polar expeditions and cruise trip to Ushuaia, Drake Passage and 4 other destinations in Argentina, Antarctica and Falkland Islands. Read More
  • Tour Type Group Tour
  • Operator Intrepid Travel Premier This operator is consistently delivering tours which receive customer ratings above 4.5 on average.
  • Activities Polar expeditions and cruise
  • Accommodation Hotel, Camping & Ship Cabin
  • Transport Cruise Ship & Boat
  • Age Range8+ years old
days21 From US$ 28,590
SaveUS$ 1,430
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Next Departures
  • Jan 20 Only 1 seat left
Tour with flexible booking policy
Add to your Tour Wish List 5% OFFTODAY

Rio de Janeiro to Santiago Travel Pass

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  • No booking fees
21 day natural landmarks sightseeing trip to Rio de Janeiro, Ilha Grande and 9 other destinations in Brazil, Chile and Argentina. Read More
  • Tour Type Group Tour
  • Operator Bamba Active 1 day ago Premier This operator is consistently delivering tours which receive customer ratings above 4.5 on average.
  • Activities Natural landmarks sightseeing & Beaches +3 more
  • Accommodation Hotel
  • Transport Boat, Bus, Ferry & Train
  • Age Range18+ years old
days21 From US$ 1,282 US$ 1,218
SavingUS$ 64
You've unlocked exclusive savings:
  • Brochure Price:US$ 1,282
  • Bookmundi Savings (5%):- US$ 64
  • Total Price from:US$ 1,218
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Next Departures
  • Dec 09 10+ seats left
  • Dec 10 10+ seats left
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Absolute Peru

  • Best price guaranteed
  • No booking fees
21 day wildlife trip through Lima, Paracas, Nazca and 11 other destinations in Peru. Read More
  • Tour Type Group Tour
  • Operator G Adventures Premier This operator is consistently delivering tours which receive customer ratings above 4.5 on average.
  • Activities Wildlife & Trekking +3 more
  • Accommodation Hotel, Home-stay & Guest House
  • Transport Flight, Bus, Boat, Train & Private Vehicle
  • Age Range1+ years old
days21 From US$ 4,199 US$ 3,191
SavingUS$ 1,008
You've unlocked exclusive savings:
  • Brochure Price:US$ 4,199
  • Bookmundi Savings (5%):- US$ 168
  • Special Deal (20%):- US$ 840
  • Total Price from:US$ 3,191
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Next Departures
  • Feb 12 10+ seats left
  • Mar 05 Only 9 seats left
Tour with flexible booking policy
Add to your Tour Wish List 5% OFFTODAY

Mountains to the Lakes

  • Trip customizable
  • Best price guaranteed
21 day mountains trip to Lima, Ballestas Islands and Paracas National Reserve and 9 other destinations travelling through Peru and Bolivia. Read More
  • Tour Type Group Tour
  • Operator Encounters Travel
  • Activities Mountains
  • Accommodation Hotel, Camping, Guest House & Home-stay
  • Transport Boat, Train & Coach
  • Age Range1+ years old
days21 From US$ 2,970 US$ 2,821
SavingUS$ 149
You've unlocked exclusive savings:
  • Brochure Price:US$ 2,970
  • Bookmundi Savings (5%):- US$ 149
  • Total Price from:US$ 2,821
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Next Departures
  • May 01 10+ seats left
  • Jun 10 10+ seats left
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Highlights of South America - 21 days

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  • No booking fees
21 day explorer tour through Rio de Janeiro, Foz Do Iguacu, Buenos Aires and 10 other destinations in 4 different countries. Read More
  • Tour Type Group Tour
  • Operator On The Go Tours Active 1 day ago
  • Activities Explorer
  • Accommodation Hotel & Luxury Hotel
  • Transport Flight, Private Vehicle, Train, Boat & Bus
  • Age Range18+ years old
days21 From US$ 9,035 US$ 8,583
SavingUS$ 452
You've unlocked exclusive savings:
  • Brochure Price:US$ 9,035
  • Bookmundi Savings (5%):- US$ 452
  • Total Price from:US$ 8,583
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Next Departures
  • Jan 10 10+ seats left
  • Feb 21 10+ seats left
Showing 1 - 12 of 12 results
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South America 3-Week Tour Reviews

5 - Excellent
Based on 73 customer reviews
Best Trip Ever Reviewed 21 Day Tour: Highlights of Argentina
5 - Excellent
  • Danielle Chaney
  • From USA
“We were able to see and do the most exciting things in Argentina! From trekking on glaciers ro dogsledding to tango and polo lessons, we were able to get an incredible taste of the culture, excitement, and adventure that this incredible country has to offer! It really was the best way to see Argentina with the time that we had.”
Excellent Reviewed 21 Day Tour: Altiplano & Gaucho Wanderer
5 - Excellent
  • Malcolm M
“Loved the humour, camaraderie and team effort as well as the stunning sights we saw”
Excellent Reviewed 21 Day Tour: Altiplano & Gaucho Explorer
5 - Excellent
  • Elzbieta T
“Stayed in places off the beaten track, like the bush camp in abandoned town and the Estancia”