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South America

$102+ Cheap flights from Boston (BOS) to South America

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/23. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — BOG
Apr 10 — Apr 171
Fri 4/10
Fri 4/17
1 adult, Economy
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Cheap flight deals from Boston to South America

Cheapest flights from Boston to South America
Explore the most affordable flight options available from Boston to South America. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 11, 2026.

This Cheapflightsfares deal was found by Cheapflights users on 3/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/235:45 am
BOS
-
MDE
1 stop8h 37m
Spirit Airlines
Tue 3/312:17 pm
MDE
-
BOS
1 stop8h 42m
Spirit Airlines
Deal found 3/6$306
This Expedia deal was found by Cheapflights users on 3/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/75:49 pm
BOS
-
BOG
2 stops19h 06m
Spirit Airlines
Thu 4/92:10 pm
BOG
-
BOS
1 stop8h 49m
Spirit Airlines
Deal found 3/6$311
This Cheapflightsfares deal was found by Cheapflights users on 3/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/245:49 pm
BOS
-
MDE
1 stop7h 32m
Spirit Airlines
Tue 3/312:17 pm
MDE
-
BOS
1 stop8h 42m
Spirit Airlines
Deal found 3/7$311
This Cheapflightsfares deal was found by Cheapflights users on 3/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/295:45 am
BOS
-
MDE
1 stop8h 37m
Spirit Airlines
Wed 4/82:17 pm
MDE
-
BOS
1 stop8h 42m
Spirit Airlines
Deal found 3/10$313
This Booking.com deal was found by Cheapflights users on 3/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/1212:15 pm
BOS
-
MDE
1 stop8h 25m
Arajet
Thu 6/1810:05 am
MDE
-
BOS
1 stop9h 45m
Arajet
Deal found 3/7$315
This Cheapflightsfares deal was found by Cheapflights users on 3/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/245:49 pm
BOS
-
MDE
1 stop7h 32m
Spirit Airlines
Wed 4/82:17 pm
MDE
-
BOS
1 stop8h 42m
Spirit Airlines
Deal found 3/9$319
This American Airlines deal was found by Cheapflights users on 3/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/305:45 pm
BOS
-
CTG
2 stops19h 50m
American Airlines
Sat 6/61:35 pm
CTG
-
BOS
2 stops18h 06m
American Airlines
Deal found 3/8$323
This Cheapflightsfares deal was found by Cheapflights users on 3/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/135:45 am
BOS
-
BOG
1 stop8h 26m
Spirit Airlines
Thu 4/162:07 pm
BOG
-
BOS
1 stop8h 50m
Spirit Airlines
Deal found 3/8$323
This Expedia deal was found by Cheapflights users on 3/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/145:45 am
BOS
-
BOG
1 stop8h 26m
Spirit Airlines
Mon 4/202:07 pm
BOG
-
BOS
1 stop19h 08m
Spirit Airlines
Deal found 3/9$324
This American Airlines deal was found by Cheapflights users on 3/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/810:05 am
BOS
-
CTG
2 stops11h 25m
American Airlines
Tue 12/158:00 am
CTG
-
BOS
1 stop12h 56m
American Airlines
Deal found 3/8$326
This Copa Airlines deal was found by Cheapflights users on 3/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/93:46 pm
BOS
-
CTG
1 stop17h 54m
Copa Airlines
Tue 4/146:20 am
CTG
-
BOS
1 stop15h 49m
Copa Airlines
Deal found 3/7$327
This American Airlines deal was found by Cheapflights users on 3/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/233:18 pm
BOS
-
CTG
1 stop23h 55m
American Airlines
Sat 5/303:13 pm
CTG
-
BOS
2 stops18h 58m
American Airlines
Deal found 3/8$328

Find flight deals from Boston to South America

Keep the following information in mind while searching for Boston to South America flight deals. Data was last updated March 11, 2026.

Round-trip from

$306
(Cheapflightsfares)

One-way from

$102
(eDestinos)

Popular in

December

Cheapest in

February

Average price

$438

Good round-trip deal

$388 or less

Good one-way deal

$202 or less
From Boston Logan Intl to South America
Search Deals
One-way flight from Boston Logan Intl to South America
Search Deals
Highest demand for flights based on searches. 13% potential increase in price ($76 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($25 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2026
Search Deals
Price to beat on a round-trip flight from Boston Logan Intl to South America.
Search Deals
Price to beat on a one-way flight from Boston Logan Intl to South America.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Boston to South America that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated March 11, 2026.
Use the filters below to find and compare flights from Boston to South America that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BostonCartagena

BOS - CTG

BOSCTG

Boston Logan Intl

Wed 4/29

3:46 pm-11:00 pm

1 stop8h 14m

Cartagena Rafael Nunez

Wed 5/6

12:05 pm-11:08 pm

1 stop10h 03m

$336

BostonCartagena

BOS - CTG

BOSCTG

Boston Logan Intl

Mon 5/18

5:40 pm-12:09 pm

2 stops19h 29m

Cartagena Rafael Nunez

Sat 5/23

1:35 pm-9:56 am

2 stops19h 21m

$340

BostonCartagena

BOS - CTG

BOSCTG

Boston Logan Intl

Wed 4/8

3:46 pm-8:40 am

1 stop17h 54m

Cartagena Rafael Nunez

Mon 4/13

6:20 am-11:09 pm

1 stop15h 49m

$342

BostonBogotá

BOS - BOG

BOSBOG

Boston Logan Intl

Sun 5/10

7:15 am-5:50 pm

1 stop11h 35m

Bogotá El Dorado

Wed 5/13

11:00 am-11:31 pm

1 stop11h 31m

$346

BostonBogotá

BOS - BOG

BOSBOG

Boston Logan Intl

Thu 3/26

8:45 pm-2:25 pm

1 stop18h 40m

Bogotá El Dorado

Fri 4/3

10:35 am-1:13 am

2 stops13h 38m

$347

BostonMedellín

BOS - MDE

BOSMDE

Boston Logan Intl

Mon 4/27

9:41 am-9:10 pm

1 stop12h 29m

Medellín Jose Maria Cordova Intl

Mon 5/11

9:45 am-10:18 am

2 stops23h 33m

$352

BostonCartagena

BOS - CTG

BOSCTG

Boston Logan Intl

Thu 5/14

4:00 pm-11:01 pm

1 stop8h 01m

Cartagena Rafael Nunez

Tue 5/26

9:45 am-11:08 pm

1 stop12h 23m

$354
Quickest round-trip

BostonCartagena

BOS - CTG

BOSCTG

Boston Logan Intl

Mon 5/18

6:35 am-1:00 pm

1 stop7h 25m

Cartagena Rafael Nunez

Wed 5/20

2:05 pm-12:14 am

1 stop9h 09m

$355

BostonBogotá

BOS - BOG

BOSBOG

Boston Logan Intl

Sat 4/25

8:45 pm-1:40 pm

1 stop17h 55m

Bogotá El Dorado

Sat 5/2

2:55 pm-9:49 am

1 stop17h 54m

$355

BostonBogotá

BOS - BOG

BOSBOG

Boston Logan Intl

Wed 4/22

6:00 am-8:10 pm

2 stops15h 10m

Bogotá El Dorado

Wed 5/27

11:00 am-1:28 am

2 stops13h 28m

$360

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/6

Showing 1-10 of 60 resultsSorted by cheapest first
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Best time to book a flight from Boston to South America

Have a flexible travel schedule? Discover the best time to fly to South America from Boston with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Boston to South America

What is the cheapest month to book a flight from Boston to South America?

Currently, March is the cheapest month in which you can book a flight from Boston to South America (average of $156). Flying from Boston to South America in July is currently the most expensive (average of $303). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from BOS to SA?

Find hourly flight availability from Boston to South America. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated March 11, 2026.

One of the essential ways to save on airfare from Boston to South America is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight in the evening could potentially save you up to 46% on airfare.

What is the cheapest day to fly from Boston to South America?

Use this chart to determine the cheapest time to fly round-trip from Boston to South America. Price data was last updated on February 21, 2026.

Travelers seeking maximum savings on their Boston to South America flight should consider departing on Friday evenings when fares are most often at their lowest. Tuesday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

Reviews of airlines servicing South America

Get insights into the airlines that provide service to South America. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to South America. Reviews last updated March 11, 2026.
Get a feel of what it's like to fly with Delta,Copa Airlines, andLATAM Airlines from Boston to South America by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,278 reviews

Comfort

7.9

Food

7.2

Boarding

8.1

Overall

7.9

Crew

8.5

Entertainment

7.8

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,278 reviews
Delta
7.9
Good
8,278 reviews

Comfort

7.9

Food

7.2

Boarding

8.1

Overall

7.9

Crew

8.5

Entertainment

7.8

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Copa Airlines
7.5
Good
1,569 reviews
Delta
7.9
Good
8,278 reviews

Comfort

7.9

Food

7.2

Boarding

8.1

Overall

7.9

Crew

8.5

Entertainment

7.8

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
LATAM Airlines
7.4
Good
1,918 reviews
Delta
7.9
Good
8,278 reviews

Comfort

7.9

Food

7.2

Boarding

8.1

Overall

7.9

Crew

8.5

Entertainment

7.8

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
American Airlines
7.1
Good
11,421 reviews
Delta
7.9
Good
8,278 reviews

Comfort

7.9

Food

7.2

Boarding

8.1

Overall

7.9

Crew

8.5

Entertainment

7.8

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Avianca
6.5
Okay
2,499 reviews
Delta
7.9
Good
8,278 reviews

Comfort

7.9

Food

7.2

Boarding

8.1

Overall

7.9

Crew

8.5

Entertainment

7.8

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Related info for your journey

Find useful and relevant information for your journey from Boston to South America. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Boston to South America?

    Boston Logan Intl (BOS), located 2.6 mi from the city center, is the airport you fly out of when you book flights from Boston to South America.

  • How popular is this Boston to South America flight route?

    The Boston Logan Intl to South America flight path was viewed by 11 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

  • How long is the flight from Boston to South America?

    Airlines like Copa Airlines, American Airlines, and Delta fly from Boston to South America in about 8h 14m. The time it takes to get you to your destination can typically vary by up to 11h 15m. Airlines will cover a distance of 2221 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines to fly from Boston to South America one-way?

    One-way options have recently been found by users for as low as $108 on Arajet. Other airlines that offer cheap prices include Spirit Airlines from $110 and Copa Airlines from $117 one-way.

  • What are the most popular routes from Boston to South America?

    The most popular route from Boston to South America is Boston Logan Intl - Medellín Jose Maria Cordova Intl. You may also consider Boston Logan Intl - Sao Paulo Guarulhos Intl or Boston Logan Intl - Lima J Chavez Intl.

  • What are the cheapest flights from Boston to South America?

    The cheapest flight price from Boston to South America is $155. On average you can expect to pay $385. The most popular route, (Boston Logan Intl - Medellín Jose Maria Cordova Intl), can usually be booked for $313.

  • Can I find deals for flights from Boston to South America that include hotel bookings?

    Yes. In addition to deals on Boston to South America flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Boston to South America?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Boston to South America.

  • Can I find deals for business class flights from Boston to South America?

    Yes. Cheapflights offers flight deals from Boston to South America by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Boston to South America?

    Currently, March is the cheapest month in which you can book a flight from Boston to South America (average of $156). Flying from Boston to South America in July is currently the most expensive (average of $303). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Alternative routes for Boston to South America

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Top 10 airlines flying from Boston to South America

Discover the top 10 airlines that operate flights from Boston to South America. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated March 11, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$117Average$809FlexibilityNo cancel feeOn-timeN/A
AviancaCheapest$126Average$577FlexibilityNo cancel feeOn-time71%
ArajetCheapest$137Average$148FlexibilityNo cancel feeOn-timeN/A
GOLCheapest$166Average$794FlexibilityNo cancel feeOn-time74%
United AirlinesCheapest$168Average$799FlexibilityNo cancel feeOn-time69%
Copa AirlinesCheapest$201Average$668FlexibilityNo cancel feeOn-time70%
Air CanadaCheapest$234Average$610FlexibilityNo cancel feeOn-time67%
Spirit AirlinesCheapest$246Average$441FlexibilityNo cancel feeOn-time65%
LATAM AirlinesCheapest$269Average$734FlexibilityNo cancel feeOn-time81%
JetBlueCheapest$294Average$504FlexibilityNo cancel feeOn-time62%

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