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South America

$86+ 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 2/9. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — BOG
Feb 22 — Mar 11
Sun 2/22
Sun 3/1
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 January 23, 2026.

This FlightHub deal was found by Cheapflights users on 1/22. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/75:49 pm
BOS
-
MDE
1 stop7h 32m
Spirit Airlines
Wed 4/222:10 pm
MDE
-
BOS
1 stop8h 49m
Spirit Airlines
Deal found 1/22$269
This Cheapflightsfares deal was found by Cheapflights users on 1/22. 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 3/16:10 pm
BOS
-
MDE
1 stop20h 03m
Spirit Airlines
Mon 3/301:17 am
MDE
-
BOS
1 stop13h 11m
Spirit Airlines
Deal found 1/22$273
This CheapOair deal was found by Cheapflights users on 1/23. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/235:27 am
BOS
-
MDE
1 stop8h 46m
Spirit Airlines
Wed 3/43:15 pm
MDE
-
BOS
1 stop8h 29m
Spirit Airlines
Deal found 1/23$274
This CheapOair deal was found by Cheapflights users on 1/23. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/155:49 pm
BOS
-
MDE
1 stop7h 32m
Spirit Airlines
Mon 3/232:17 pm
MDE
-
BOS
1 stop24h 11m
Spirit Airlines
Deal found 1/23$275
This CheapOair deal was found by Cheapflights users on 1/22. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/75:23 pm
BOS
-
MDE
1 stop20h 52m
Spirit Airlines
Fri 2/133:15 pm
MDE
-
BOS
2 stops20h 22m
Spirit Airlines
Deal found 1/22$278
This Cheapflightsfares deal was found by Cheapflights users on 1/21. 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 2/225:27 am
BOS
-
MDE
1 stop8h 46m
Spirit Airlines
Thu 2/263:15 pm
MDE
-
BOS
1 stop8h 29m
Spirit Airlines
Deal found 1/21$280
This CheapOair deal was found by Cheapflights users on 1/23. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/46:10 pm
BOS
-
MDE
1 stop20h 03m
Spirit Airlines
Mon 3/92:15 pm
MDE
-
BOS
1 stop26h 00m
Spirit Airlines
Deal found 1/23$283
This Kiwi.com deal was found by Cheapflights users on 1/22. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/85:23 pm
BOS
-
MDE
1 stop20h 52m
Spirit Airlines
Wed 2/113:15 pm
MDE
-
BOS
1 stop8h 42m
Spirit Airlines
Deal found 1/22$284
This American Airlines deal was found by Cheapflights users on 1/22. 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 3/36:00 am
BOS
-
MDE
1 stop15h 10m
American Airlines
Tue 3/107:00 am
MDE
-
BOS
2 stops11h 19m
American Airlines
Deal found 1/22$285
This CheapOair deal was found by Cheapflights users on 1/23. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/55:40 am
BOS
-
MDE
1 stop8h 33m
Spirit Airlines
Tue 5/1910:52 am
MDE
-
BOS
2 stops12h 07m
Spirit Airlines
Deal found 1/23$286
This Mytrip deal was found by Cheapflights users on 1/22. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/95:34 am
BOS
-
MDE
2 stops18h 20m
Multiple Airlines
Sat 2/143:15 pm
MDE
-
BOS
1 stop8h 29m
Multiple Airlines
Deal found 1/22$287
This CheapOair deal was found by Cheapflights users on 1/22. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/105:34 am
BOS
-
MDE
1 stop8h 41m
Spirit Airlines
Tue 2/172:50 pm
MDE
-
BOS
2 stops26h 25m
Spirit Airlines
Deal found 1/22$288

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 January 23, 2026.

Round-trip from

$269
(FlightHub)

One-way from

$86
(Kiwi.com)

Popular in

December

Cheapest in

October

Average price

$441

Good round-trip deal

$401 or less

Good one-way deal

$243 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. 11% potential increase in price ($66 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 January 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 January 23, 2026.
Use the filters below to find and compare flights from Boston to South America that are best for you.

Fly from

Boston

Fly to

South America

Route

Depart

Return

Price

BostonMedellín

BOS - MDE

BOSMDE

Boston Logan Intl

Tue 2/3

7:05 am-10:05 pm

1 stop15h 00m

Medellín Jose Maria Cordova Intl

Tue 3/3

10:45 am-11:30 pm

1 stop12h 45m

$306

BostonMedellín

BOS - MDE

BOSMDE

Boston Logan Intl

Tue 2/3

5:34 am-2:15 pm

1 stop8h 41m

Medellín Jose Maria Cordova Intl

Wed 2/4

2:50 pm-4:48 pm

2 stops25h 58m

$308

BostonMedellín

BOS - MDE

BOSMDE

Boston Logan Intl

Fri 2/6

7:07 pm-10:05 pm

2 stops26h 58m

Medellín Jose Maria Cordova Intl

Sat 2/14

10:45 am-9:31 pm

1 stop10h 46m

$311

BostonMedellín

BOS - MDE

BOSMDE

Boston Logan Intl

Mon 2/2

6:21 pm-10:05 pm

2 stops27h 44m

Medellín Jose Maria Cordova Intl

Thu 2/5

10:45 am-11:49 pm

2 stops13h 04m

$311

BostonMedellín

BOS - MDE

BOSMDE

Boston Logan Intl

Tue 2/24

6:00 am-10:05 pm

2 stops16h 05m

Medellín Jose Maria Cordova Intl

Mon 3/2

10:45 am-2:29 pm

2 stops27h 44m

$311

BostonMedellín

BOS - MDE

BOSMDE

Boston Logan Intl

Wed 2/4

3:25 pm-10:05 pm

1 stop30h 40m

Medellín Jose Maria Cordova Intl

Wed 3/4

10:45 am-9:31 pm

1 stop10h 46m

$314

BostonMedellín

BOS - MDE

BOSMDE

Boston Logan Intl

Wed 2/25

7:15 am-10:05 pm

1 stop14h 50m

Medellín Jose Maria Cordova Intl

Mon 3/2

10:45 am-12:17 pm

1 stop25h 32m

$314

BostonCartagena

BOS - CTG

BOSCTG

Boston Logan Intl

Sun 2/1

7:00 am-1:10 pm

2 stops30h 10m

Cartagena Rafael Nunez

Thu 2/5

2:21 pm-11:57 pm

1 stop9h 36m

$323

BostonCartagena

BOS - CTG

BOSCTG

Boston Logan Intl

Fri 2/6

6:23 pm-1:30 pm

2 stops19h 07m

Cartagena Rafael Nunez

Fri 2/13

2:30 pm-7:46 am

2 stops17h 16m

$324

BostonCartagena

BOS - CTG

BOSCTG

Boston Logan Intl

Fri 3/6

5:27 am-1:10 pm

1 stop7h 43m

Cartagena Rafael Nunez

Thu 3/19

1:24 pm-11:59 pm

1 stop9h 35m

$334

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/22

Showing 1-10 of 60 results
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2
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6

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 $216). Flying from Boston to South America in July is currently the most expensive (average of $302). 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 January 23, 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 January 17, 2026.

Travelers seeking maximum savings on their Boston to South America flight should consider departing on Thursday 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 January 23, 2026.
Get a feel of what it's like to fly with Delta, Copa Airlines, and LATAM 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
8,096 reviews

Overall

7.9

Food

7.2

Entertainment

7.8

Crew

8.5

Boarding

8.1

Comfort

7.9

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
8,096 reviews
Delta
7.9
Good
8,096 reviews

Overall

7.9

Food

7.2

Entertainment

7.8

Crew

8.5

Boarding

8.1

Comfort

7.9

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
7.6
Good
1,557 reviews
Delta
7.9
Good
8,096 reviews

Overall

7.9

Food

7.2

Entertainment

7.8

Crew

8.5

Boarding

8.1

Comfort

7.9

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
7.5
Good
1,913 reviews
Delta
7.9
Good
8,096 reviews

Overall

7.9

Food

7.2

Entertainment

7.8

Crew

8.5

Boarding

8.1

Comfort

7.9

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
7.2
Good
11,177 reviews
Delta
7.9
Good
8,096 reviews

Overall

7.9

Food

7.2

Entertainment

7.8

Crew

8.5

Boarding

8.1

Comfort

7.9

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
6.6
Okay
2,494 reviews
Delta
7.9
Good
8,096 reviews

Overall

7.9

Food

7.2

Entertainment

7.8

Crew

8.5

Boarding

8.1

Comfort

7.9

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 13 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 United Airlines, Spirit Airlines, and American Airlines fly from Boston to South America in about 8h 41m. The time it takes to get you to your destination can typically vary by up to 10h 26m. Airlines will cover a distance of 2514 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 $111 on Spirit Airlines. Other airlines that offer cheap prices include Copa Airlines from $124 and American Airlines from $125 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 $168. On average you can expect to pay $606. The most popular route, (Boston Logan Intl - Medellín Jose Maria Cordova Intl), can usually be booked for $214.

  • 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 $216). Flying from Boston to South America in July is currently the most expensive (average of $302). 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 January 23, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$117Average$815FlexibilityNo cancel feeOn-timeN/A
ArajetCheapest$137Average$148FlexibilityNo cancel feeOn-timeN/A
AviancaCheapest$162Average$583FlexibilityNo cancel feeOn-time71%
GOLCheapest$166Average$783FlexibilityNo cancel feeOn-time74%
Copa AirlinesCheapest$206Average$683FlexibilityNo cancel feeOn-time70%
Air CanadaCheapest$234Average$701FlexibilityNo cancel feeOn-time67%
Spirit AirlinesCheapest$253Average$519FlexibilityNo cancel feeOn-time65%
LATAM AirlinesCheapest$262Average$733FlexibilityNo cancel feeOn-time81%
United AirlinesCheapest$266Average$786FlexibilityNo cancel feeOn-time69%
JetBlueCheapest$294Average$511FlexibilityNo cancel feeOn-time62%

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