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South America

$147+ 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 9/26. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — BOG
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
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Cheap 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 September 11, 2025.

Round-trip from

$325
(Mytrip)

One-way from

$147
(Kiwi.com)

Popular in

December

Cheapest in

October

Average price

$552

Good round-trip deal

$494 or less

Good one-way deal

$189 or less
From Boston Logan Intl to South America
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One-way flight from Boston Logan Intl to South America
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Highest demand for flights based on searches. 10% potential increase in price ($83 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($38 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Price to beat on a round-trip flight from Boston Logan Intl to South America.
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Price to beat on a one-way flight from Boston Logan Intl to South America.
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Find 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 September 11, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 9/10. 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 9/286:10 amBOS - MDE
1 stop19h 18mSpirit Airlines
Thu 10/91:16 amMDE - BOS
1 stop9h 10mSpirit Airlines
Deal found 9/10$327
This KAYAK deal was found by Cheapflights users on 9/10. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/2512:31 pmBOS - MDE
2 stops25h 33mSpirit Airlines
Wed 10/291:16 amMDE - BOS
2 stops11h 04mSpirit Airlines
Deal found 9/10$328
This Cheapflightsfares deal was found by Cheapflights users on 9/9. 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.
Fri 9/266:49 pmBOS - MDE
1 stop19h 25mSpirit Airlines
Tue 9/301:24 amMDE - BOS
1 stop8h 49mSpirit Airlines
Deal found 9/9$329
This Cheapflightsfares deal was found by Cheapflights users on 9/10. 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 9/216:10 amBOS - MDE
1 stop8h 04mSpirit Airlines
Wed 10/152:22 pmMDE - BOS
1 stop8h 37mSpirit Airlines
Deal found 9/10$330
This Mytrip deal was found by Cheapflights users on 9/10. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/76:16 amBOS - MDE
3 stops13h 33mMultiple Airlines
Mon 10/271:16 amMDE - BOS
1 stop9h 00mMultiple Airlines
Deal found 9/10$331
This Cheapflightsfares deal was found by Cheapflights users on 9/11. 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.
Sat 10/1112:31 pmBOS - MDE
1 stop12h 50mSpirit Airlines
Fri 10/242:22 pmMDE - BOS
1 stop8h 37mSpirit Airlines
Deal found 9/11$332
This KAYAK deal was found by Cheapflights users on 9/9. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/276:16 amBOS - MDE
1 stop7h 55mSpirit Airlines
Mon 11/176:59 pmMDE - BOS
2 stops19h 57mSpirit Airlines
Deal found 9/9$333
This Cheapflightsfares deal was found by Cheapflights users on 9/9. 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.
Thu 10/22:53 pmBOS - MDE
2 stops10h 35mSpirit Airlines
Thu 10/162:22 pmMDE - BOS
1 stop8h 37mSpirit Airlines
Deal found 9/9$336
This Kiwi.com deal was found by Cheapflights users on 9/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/83:00 pmBOS - MDE
1 stop10h 21mSpirit Airlines
Mon 10/132:22 pmMDE - BOS
1 stop20h 04mSpirit Airlines
Deal found 9/10$337
This eDestinos deal was found by Cheapflights users on 9/11. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/256:10 amBOS - MDE
1 stop8h 04mSpirit Airlines
Thu 10/92:22 pmMDE - BOS
1 stop8h 37mSpirit Airlines
Deal found 9/11$338
This Kiwi.com deal was found by Cheapflights users on 9/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/189:00 amBOS - BOG
Nonstop6h 10mMultiple Airlines
Wed 9/242:05 pmBOG - BOS
1 stop8h 52mMultiple Airlines
Deal found 9/10$357
This Kiwi.com deal was found by Cheapflights users on 9/11. 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.
Mon 9/296:10 amBOS - BOG
1 stop8h 00mSpirit Airlines
Wed 11/53:05 pmBOG - BOS
1 stop9h 35mSpirit Airlines
Deal found 9/11$358

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 September 11, 2025.
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 10/21

6:16 am-6:50 pm

1 stop13h 34m

Medellín Jose Maria Cordova Intl

Mon 10/27

1:00 pm-11:16 am

1 stop21h 16m

$327

BostonMedellín

BOS - MDE

BOSMDE

Boston Logan Intl

Fri 10/10

8:24 pm-1:11 pm

1 stop17h 47m

Medellín Jose Maria Cordova Intl

Wed 10/15

2:22 pm-11:59 pm

1 stop8h 37m

$335

BostonMedellín

BOS - MDE

BOSMDE

Boston Logan Intl

Wed 9/24

3:00 pm-6:50 pm

1 stop28h 50m

Medellín Jose Maria Cordova Intl

Sun 10/19

10:20 am-11:26 am

1 stop24h 06m

$351

BostonMedellín

BOS - MDE

BOSMDE

Boston Logan Intl

Tue 10/28

6:20 am-1:32 pm

1 stop8h 12m

Medellín Jose Maria Cordova Intl

Thu 11/6

2:10 pm-11:11 pm

1 stop9h 01m

$353

BostonMedellín

BOS - MDE

BOSMDE

Boston Logan Intl

Tue 10/21

2:15 pm-12:21 am

2 stops11h 06m

Medellín Jose Maria Cordova Intl

Sun 10/26

1:16 am-11:16 am

1 stop9h 00m

$353

BostonMedellín

BOS - MDE

BOSMDE

Boston Logan Intl

Fri 10/3

6:49 pm-6:50 pm

1 stop25h 01m

Medellín Jose Maria Cordova Intl

Mon 10/27

1:00 pm-11:16 am

1 stop21h 16m

$358

BostonMedellín

BOS - MDE

BOSMDE

Boston Logan Intl

Sun 11/2

8:24 pm-1:59 pm

2 stops17h 35m

Medellín Jose Maria Cordova Intl

Wed 11/19

6:59 pm-6:02 pm

2 stops23h 03m

$363

BostonMedellín

BOS - MDE

BOSMDE

Boston Logan Intl

Sun 10/26

6:16 am-9:40 pm

1 stop16h 24m

Medellín Jose Maria Cordova Intl

Sun 11/2

1:00 pm-11:16 am

1 stop22h 16m

$363

BostonBogotá

BOS - BOG

BOSBOG

Boston Logan Intl

Tue 9/30

3:00 pm-5:59 pm

1 stop27h 59m

Bogotá El Dorado

Tue 10/7

9:00 am-11:59 pm

1 stop13h 59m

$375

BostonMedellín

BOS - MDE

BOSMDE

Boston Logan Intl

Sun 9/28

6:10 am-1:14 pm

1 stop8h 04m

Medellín Jose Maria Cordova Intl

Thu 10/9

1:16 am-1:20 pm

2 stops11h 04m

$388

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/9

Showing 1-10 of 60 results
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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, May is the cheapest month in which you can book a flight from Boston to South America (average of $359). Flying from Boston to South America in December is currently the most expensive (average of $664). 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 September 11, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Boston to South America as you normally would.

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 September 11, 2025.
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
8.0
Very good
7,960 reviews

Crew

8.5

Boarding

8.2

Entertainment

7.9

Overall

8.0

Food

7.3

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,960 reviews
Delta
8.0
Very good
7,960 reviews

Crew

8.5

Boarding

8.2

Entertainment

7.9

Overall

8.0

Food

7.3

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Copa Airlines
7.6
Good
1,531 reviews
Delta
8.0
Very good
7,960 reviews

Crew

8.5

Boarding

8.2

Entertainment

7.9

Overall

8.0

Food

7.3

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
LATAM Airlines
7.5
Good
1,847 reviews
Delta
8.0
Very good
7,960 reviews

Crew

8.5

Boarding

8.2

Entertainment

7.9

Overall

8.0

Food

7.3

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,960 reviews

Crew

8.5

Boarding

8.2

Entertainment

7.9

Overall

8.0

Food

7.3

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Avianca
6.7
Okay
2,436 reviews
Delta
8.0
Very good
7,960 reviews

Crew

8.5

Boarding

8.2

Entertainment

7.9

Overall

8.0

Food

7.3

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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 22 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 Spirit Airlines, JetBlue, and Copa Airlines fly from Boston to South America in about 8h 12m. The time it takes to get you to your destination can typically vary by up to 11h 16m. 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 $147 on Spirit Airlines. Other airlines that offer cheap prices include Avianca from $238 and GOL from $249 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 - Sao Paulo Guarulhos Intl. You may also consider Boston Logan Intl - Medellín Jose Maria Cordova Intl or Boston Logan Intl - Sao Paulo Viracopos.

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

    The cheapest flight price from Boston to South America is $174. On average you can expect to pay $667. The most popular route, (Boston Logan Intl - Sao Paulo Guarulhos Intl), can usually be booked for $515.

  • 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, May is the cheapest month in which you can book a flight from Boston to South America (average of $359). Flying from Boston to South America in December is currently the most expensive (average of $664). 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

See prices for flight routes from nearby airports that may be better suited for you.
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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 September 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$234Average$729FlexibilityNo cancel feeOn-time69%
Spirit AirlinesCheapest$248Average$538FlexibilityNo cancel feeOn-time65%
AviancaCheapest$290Average$594FlexibilityNo cancel feeOn-time71%
LATAM AirlinesCheapest$308Average$717FlexibilityNo cancel feeOn-time81%
DeltaCheapest$309Average$799FlexibilityNo cancel feeOn-timeN/A
Copa AirlinesCheapest$311Average$716FlexibilityNo cancel feeOn-time70%
American AirlinesCheapest$339Average$786FlexibilityNo cancel feeOn-time71%
GOLCheapest$340Average$899FlexibilityNo cancel feeOn-time74%
JetBlueCheapest$409Average$596FlexibilityNo cancel feeOn-time62%
Air CanadaCheapest$590Average$766FlexibilityNo cancel feeOn-time67%

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