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The Best 3-Week (21-Day) Tours in South America

South America

Looking for the perfect 21-day getaway to South America with a fantastic guided tour? We've carefully analyzed all of the possible three-week tour options to South America based on price, comfort, service, guest ratings, cuisine, and activities in order to find the absolute best multi-day organized tour options available. Whether you're seeking a relaxing getaway or an action-packed expedition, these all-inclusive guided tours offer the perfect length to indulge in the best of both worlds. From captivating excursions to tantalizing cuisine, get ready to experience the ultimate 3-week escape that will leave you with unforgettable memories and a renewed sense of wanderlust. So, check out our curated list of tours below to get started!


The Top 3:

  • 21 Days, $3449.00

  • 21 Days, $4699.00

  • 21 Days, $3055.00

Which 21-day tour options are available in South America?

South America

Here are the important factors:

  • 12 trip options analyzed
  • $369 average price per day (USD)
  • 20 to 21 days in length
  • 4.65 of 5 average rating
  • 34 people or less on average

Curious about the diverse range of tours lasting 3 weeks? Prepare to be amazed by the array of options available to suit every traveler's preferences. It comes as no surprise that visitors adore these tours, given their exceptional average guest rating of 4.65 out of 5 stars. When it comes to group sizes, the average maximum capacity stands at 34 people, allowing for a comfortable and sociable experience. The shortest tour is 20 days, while the longest is 21 days. When it comes to physical activity, tour options are organized as easy, serious, and moderate, with a majority being easy tours. With a comprehensive analysis encompassing 12 tours lasting 3 weeks, you can rest assured that South America has something tailored to your interests and preferences, promising an unforgettable experience for all.

(All tour prices are in US Dollars before taxes, and come from a base price that is reported by TourRadar. Peak season prices can vary significantly, particularly in destinations where seasonal travel fluctuates dramatically.)

So, let's get to it and see...

The 10 Best 3-Week Tours in South America
  • On Sale: 20% Off
  • Great Value: the daily price is lower than average for tours lasting 3 weeks.
  • High Quality: guest ratings are higher than average.
by G Adventures



21 Days Lima to La Paz 11 Destinations through Peru, Bolivia 18 People at Most Ages 18 to 39 Guest Rating: 5.0 out of 5 stars

Set off on an extraordinary journey, visiting Peru and Bolivia, that has been awarded a 5 out of 5 stars by previous guests. With a duration of 21 days, this voyage offers an intimate group setting, accommodating 18 individuals, while extending a warm welcome to travelers aged 18 to 39 years old. This trip visits 11 destinations, including Ollantaytambo, Machu Picchu, Puno, and Lake Titicaca along the way. Beginning in beautiful Lima, you'll have a terrific journey that ends in La Paz. Brought to you by G Adventures, this exceptional deal is an incredible steal at a mere $131 per day. It's currently on a special discounted offer.

  • In-depth Cultural
$3,449 $2,759
TourRadar
  • On Sale: 20% Off
  • Great Value: the daily price is lower than average for tours lasting 3 weeks.
  • High Quality: guest ratings are higher than average.
by G Adventures



21 Days Start/End in Lima 12 Destinations through Peru, Bolivia 16 People at Most Ages 12 to 90 Guest Rating: 5.0 out of 5 stars

With this option you can experience an unparalleled voyage for 21 unforgettable days, visiting Peru and Bolivia. It ensures an intimate group setting with 16 participants at most. Experience a trip that takes you to 12 remarkable destinations, including Puno, Lake Titicaca, Cusco, and Ollantaytambo. Your adventure starts and ends in Lima. G Adventures, the organizer of this journey, extends a warm invitation to guests travelers aged 12 to 90 years old. This extraordinary opportunity offers exceptional value at only $179 per day. Act quickly to seize the current limited-time sale and reserve your spot now.

  • Historical
$4,699 $3,759
TourRadar
  • Great Value: the daily price is lower than average for tours lasting 3 weeks.
by Intrepid Travel



21 Days Lima to La Paz 12 Destinations through Peru, Bolivia 16 People at Most Ages 15 to 99 Guest Rating: 4.0 out of 5 stars

This fantastic journey has a rating of 4 out of 5 stars, visiting Peru and Bolivia. Explore 12 incredible locations on this trip, including Machu Picchu, Ollantaytambo, Sacred Valley, and Puno. Lima marks the starting point, while La Paz stands as the final stop on your incredible journey. Lasting 21 days, the maximum group size is 16 people, and it's good for travelers aged 15 or older. Organized by Intrepid Travel, this is a great deal because it's only $145 per day.

  • In-depth Cultural
$3,055
TourRadar
  • On Sale: 20% Off
  • Great Value: the daily price is lower than average for tours lasting 3 weeks.
by G Adventures



21 Days Lima to Santiago 14 Destinations through Peru, Bolivia, Chile 16 People at Most Ages 12 to 90 Guest Rating: 4.3 out of 5 stars

With a stellar 4.3 out of 5 rating, this extraordinary voyage, visiting Peru, Bolivia, and Chile, is the perfect choice. Discover a journey that spans 14 destinations, with notable stops in Ollantaytambo, Aguas Calientes, Machu Picchu, and Puno. Beginning in beautiful Lima, you'll have a terrific journey that ends in Santiago. Spanning across 21 days, the voyage accommodates 16 individuals, and is suitable for travelers aged 12 to 90 years old. Offered by G Adventures, this remarkable voyage is priced at just $190 per day. Act now to take advantage of the special sale price! Don't miss out on this incredible experience.

  • In-depth Cultural
  • Local Living
$4,999 $3,999
TourRadar
  • High Quality: guest ratings are higher than average.
by Cosmos



20 Days Manaus to Santiago 11 Destinations through Brazil, Argentina, Chile 50 People at Most Ages 5 to 99 Guest Rating: 4.9 out of 5 stars

This exceptional trip offering by Cosmos has received a 4.9 out of 5 rating. On this 20-day trip, visiting Brazil, Argentina, and Chile, you can unwind while also making new memories. This trip takes you on an adventure to 11 destinations, including Rio de Janeiro, Foz Do Iguacu, Iguazu Falls, and Buenos Aires. Manaus will mark the start of your journey, while Santiago will serve as its final destination. With a group size of 50 people, it's suitable for travelers aged 5 or older. Rest assured, this trip is all about local culture and family-friendly activities, guaranteeing an unforgettable adventure. This remarkable trip is priced at an unbeatable $477 per day.

  • In-depth Cultural
  • Family
$4,729
TourRadar
  • High Quality: guest ratings are higher than average.
by G Adventures



21 Days Start/End in Ushuaia 6 Destinations through Argentina, Falkland Islands, Chile 134 People at Most Ages 12 to 90 Guest Rating: 5.0 out of 5 stars

Check out this trip that has received rave reviews, earning a stellar 5 out of 5 rating, visiting Argentina, Falkland Islands, and Chile. With 6 destinations to explore, you'll get the chance to see Stanley, Falkland Islands, South Georgia Island, and Antarctic Peninsula, and more. Ushuaia kicks off your expedition, serving as both the starting and finishing point. Spanning across 21 unforgettable days, this voyage offers an intimate group experience with 134 participants, and it's great for travelers aged 12 to 90 years old. Brought to you by the renowned G Adventures, this exceptional opportunity is priced at an incredible $719 per day - an unbeatable value.

  • Ocean Cruise
  • Polar
  • Antarctica
$15,099
TourRadar
  • High Quality: guest ratings are higher than average.
by Cosmos



21 Days Lima to Quito 15 Destinations through Peru, Ecuador 50 People at Most Ages 5 to 99 Guest Rating: 5.0 out of 5 stars

This 21-day trip, visiting Peru and Ecuador, is ideal for travelers aged 5 or older. And priced at only $379 per day, it's a great value, too. Along the way, this journey encompasses 15 destinations, including Sacred Valley, Machu Picchu, Juliaca, and Puno. Beginning in beautiful Lima, you'll have a terrific journey that ends in Quito. It's offered by Cosmos, a very popular company with rave reviews and knowledgeable guides.

  • Ocean Cruise
  • Family
$5,659
TourRadar
  • Great Value: the daily price is lower than average for tours lasting 3 weeks.
  • High Quality: guest ratings are higher than average.
by Hi Travel Argentina



21 Days Salta to Ushuaia 9 Destinations 6 People at Most Ages 3 to 99 Guest Rating: 5.0 out of 5 stars

Priced at just $100 per day, this terrific 21-day journey is ideal for travelers aged 3 or older. This itinerary covers 9 captivating destinations, with stops in San Carlos De Bariloche, Perito Moreno Glacier, El Chalten, and El Calafate, among others. Salta will mark the start of your journey, while Ushuaia will serve as its final destination. Organized by the reputable Hi Travel Argentina, this is one of the best tours on this list.

  • Wildlife
  • Hiking & Trekking
  • Family
$2,110
TourRadar
  • Great Value: the daily price is lower than average for tours lasting 3 weeks.
  • High Quality: guest ratings are higher than average.
by Exodus Travels



20 Days Start/End in Lima 18 Destinations 16 People at Most Ages 16 to 99 Guest Rating: 4.7 out of 5 stars

Check out this incredible journey that has received a 4.7 out of 5 rating from previous guests. With a duration of 20 days, this journey ensures an intimate group size of 16 people, and is good for travelers aged 16 or older. Immerse yourself in a travel experience that includes 18 destinations, featuring Puerto Maldonado, Paracas National Reserve, Ballestas Islands, and Nazca. Your adventure starts and ends in Lima. This fantastic option, organized by Exodus Travels, presents an unbeatable value at just $316 per day.

$6,315
TourRadar
by Say Hueque Argentina & Chile Journeys



21 Days Start/End in Buenos Aires 7 Destinations through Argentina, Chile 45 People at Most Ages 1 to 99 Guest Rating: 4.5 out of 5 stars

Spanning over 21 days, this voyage, visiting Argentina and Chile, has a maximum size of 45 individuals. Welcoming people of any age, it is organized by Say Hueque Argentina & Chile Journeys, a very popular company with plenty of great reviews. Uncover the beauty of 7 destinations on this itinerary, with highlights such as El Calafate, El Chalten, Torres del Paine National Park, and Puerto Madryn. Buenos Aires will be the beginning and end of your trip. Available at an unbeatable price of only $381 per day, this option also has a rating of 4.5 out of 5 stars from previous guests.

  • Family
$8,010
TourRadar

See also The Best Family-Friendly Tours to South America, The Best Wildlife Tours to South America, The Best Hiking & Trekking Tours in South America, The Best Historical Tours in South America, The Best 10-Day Tours in South America, The Best One Week (7-Day) Tours in South America, The Best 3-Day Tours in South America, The Best 2-Week Tours in South America, The Best 4-Week (1-Month) Tours in South America, The Best Extended Trip Tours in South America, One Month or Longer, The Best Bicycle Tours in South America, Tours for Outdoor and Nature Lovers in South America, The Best Christmas & New Years Tours in South America, The Best Coach Bus Tours in South America, The Best Adventure Tours to South America, The Best Eco Tours in South America, The Best Thrill-Seeking Tours in South America, The Best Cruise Tours and Packages in South America, The Best Sightseeing Tours in South America, The Best Cultural Tours in South America, The Best Vineyard & Wine Tours in South America, The Best Food and Culinary Tours in South America, The Tours for Animal Lovers in South America, The Best Photography Tours in South America, The Best Camping Tours in South America, The Best Romantic Tours for Couples in South America, The Best Self Drive Tours in South America, The Best Antarctica Tours & Cruises from South America, The Best Walking Tours in South America, The Best Honeymoon Tours in South America, The Best Jungle Trekking Tours in South America, The Best Tours Under $1000 in South America, The Best Luxury Tours to South America, The Best Budget Tours to South America, The Best Tours for Seniors to South America, The Best Contiki Tours to South America, or The Best G Adventures Tours to South America for more tour ideas. With so many options, there's a guided tour or vacation package for every type of traveler.

How much do 21-day tours to South America cost?

Average Daily Price 3-Week Tours
$369

Travelers to South America will have a large number of terrific options for tours lasting 3 weeks at a variety of great prices. The price of tours lasting 3 weeks here can vary by type, destinations, length, and travel style. Based on thorough data from 12 tours lasting 3 weeks, their average daily price is a very reasonable $369 per day. If you're interested in more information about tours here, see our guide to tour prices in South America.


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