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, $3149.00

  • 21 Days, $4699.00

  • 21 Days, $8010.00

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

South America

Here are the important factors:

  • 12 trip options analyzed
  • $361 average price per day (USD)
  • 20 to 21 days in length
  • 4.66 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 4.66 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
  • 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 journey 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 $112 per day.

  • Sightseeing
  • Historical
$2,362
TourRadar
  • 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 trip 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 $168 per day.

  • Sightseeing
  • Historical
  • Attraction-Based Hikes
$3,524
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

This fantastic voyage has a rating of 4.5 out of 5 stars, visiting Argentina and Chile. Explore 7 incredible locations on this trip, including Puerto Madryn, Ushuaia, El Calafate, and El Chalten. Buenos Aires will be the beginning and end of your trip. Lasting 21 days, the maximum group size is 45 people, and it's good for people of any age. Organized by Say Hueque Argentina & Chile Journeys, this is a great deal because it's only $381 per day.

  • Sightseeing
  • Family
$8,010
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: 4.1 out of 5 stars

With a stellar 4.1 out of 5 rating, this extraordinary journey, visiting Peru and Bolivia, is the perfect choice. Discover a journey that spans 12 destinations, with notable stops in Ollantaytambo, Sacred Valley, Puno, and Lake Titicaca. Beginning in beautiful Lima, you'll have a terrific journey that ends in La Paz. Spanning across 21 days, the journey accommodates 16 individuals, and is suitable for travelers aged 15 or older. Offered by Intrepid Travel, this remarkable journey is priced at just $134 per day. Don't miss out on this incredible experience.

  • In-depth Cultural
$2,805
TourRadar
  • 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

This exceptional trip offering by G Adventures has received a 4.3 out of 5 rating. On this 21-day trip, visiting Peru, Bolivia, and Chile, you can unwind while also making new memories. This trip takes you on an adventure to 14 destinations, including Aguas Calientes, Machu Picchu, Puno, and La Paz. Lima will mark the start of your journey, while Santiago will serve as its final destination. With a group size of 16 people, it's suitable for travelers aged 12 to 90 years old. This remarkable trip is priced at an unbeatable $184 per day.

  • In-depth Cultural
  • Local Living
$3,867
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

Check out this voyage that has received rave reviews, earning a stellar 4.9 out of 5 rating, visiting Brazil, Argentina, and Chile. With 11 destinations to explore, you'll get the chance to see Foz Do Iguacu, Iguazu Falls, Buenos Aires, and Santiago, and more. Manaus marks the starting point, while Santiago stands as the final stop on your incredible journey. This extraordinary adventure also revolves around local culture and family-friendly activities. Spanning across 20 unforgettable days, this voyage offers an intimate group experience with 50 participants, and it's great for travelers aged 5 or older. Brought to you by the renowned Cosmos, this exceptional opportunity is priced at an incredible $415 per day - an unbeatable value.

  • In-depth Cultural
  • Family
$5,409
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

This 21-day voyage, visiting Argentina, Falkland Islands, and Chile, is ideal for travelers aged 12 to 90 years old. And priced at only $498 per day, it's a great value, too. Along the way, this journey encompasses 6 destinations, including Falkland Islands, South Georgia Island, Antarctic Peninsula, and Stanley. You'll start and end this amazing trip in Ushuaia. It's offered by G Adventures, a very popular company with rave reviews and knowledgeable guides.

  • Ocean Cruise
  • Polar
  • Antarctica
$10,449
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

Priced at just $388 per day, this terrific 21-day journey, visiting Peru and Ecuador, is ideal for travelers aged 5 or older. This itinerary covers 15 captivating destinations, with stops in Machu Picchu, Juliaca, Puno, and Taquile Island, among others. Lima will mark the start of your journey, while Quito will serve as its final destination. Organized by the reputable Cosmos, this is one of the best tours on this list.

  • Ocean Cruise
  • Family
$6,069
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 18 to 99 Guest Rating: 5.0 out of 5 stars

Check out this incredible trip that has received a 5 out of 5 rating from previous guests. With a duration of 21 days, this journey ensures an intimate group size of 6 people, and is good for travelers aged 18 or older. Immerse yourself in a travel experience that includes 9 destinations, featuring Perito Moreno Glacier, El Chalten, El Calafate, and Rio Gallegos. Salta marks the starting point, while Ushuaia stands as the final stop on your incredible journey. This fantastic option, organized by Hi Travel Argentina, presents an unbeatable value at just $100 per day.

  • Wildlife
  • Hiking & Trekking
$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 Adventure 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

Spanning over 20 days, this voyage has a maximum size of 16 individuals. Welcoming travelers aged 16 or older, it is organized by Exodus Adventure Travels, a very popular company with plenty of great reviews. Uncover the beauty of 18 destinations on this itinerary, with highlights such as Paracas National Reserve, Ballestas Islands, Nazca, and Arequipa. Lima will be the beginning and end of your trip. Available at an unbeatable price of only $328 per day, this option also has a rating of 4.7 out of 5 stars from previous guests.

$6,550
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 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 Train & Rail Tours in South America, The Best Thrill-Seeking Tours in South America, The Best Cruise Tours and Packages in South America, The Best Water Sports Tour 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
$361

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 $361 per day. If you're interested in more information about tours here, see our guide to tour prices in South America.


Budget Your Trip
Budget Your Trip is all about finding out how much everything costs so that you can travel cheaper and longer. With average daily travel costs that are calculated from the budgets of real travelers, you can find out how much money you need to plan your next adventure. On this website you can also find travel advice, accommodation reviews, and activity suggestions.

Some of the links on this website are sponsored or affiliate links which help to financially support this site. By clicking the link and making a purchase, we may receive a small commission, but this does not affect the price of your purchase.