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South America

$151+ 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 12/5. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — BOG
Nov 27 — Dec 41
Thu 11/27
Thu 12/4
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 October 28, 2025.

Most accurate provider

Justfly.com
3 stars

Most trusted provider

Justfly.com
3 stars

Round-trip from

$326
(Kiwi.com)

One-way from

$151
(Kiwi.com)

Popular in

December

Cheapest in

September

Average price

$617

Good round-trip deal

$428 or less

Good one-way deal

$235 or less
Provider with most accurate pricing for Boston Logan Intl-Sao Paulo (SAO) flight deals.
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Provider most trusted by Cheapflights users for Boston Logan Intl-Sao Paulo (SAO) flights.
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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. 9% potential increase in price ($76 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($37 potential savings vs. average RT price).
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Average for round-trip flights in October 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 October 28, 2025.

This Kiwi.com deal was found by Cheapflights users on 10/26. 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.
Tue 11/46:16 amBOS - BOG
1 stop7h 54mSpirit Airlines
Thu 11/133:15 pmBOG - BOS
1 stop8h 44mSpirit Airlines
Deal found 10/26$326
This Kiwi.com deal was found by Cheapflights users on 10/26. 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.
Tue 11/46:16 amBOS - BOG
1 stop7h 54mSpirit Airlines
Wed 11/123:15 pmBOG - BOS
1 stop8h 44mSpirit Airlines
Deal found 10/26$328
This Expedia deal was found by Cheapflights users on 10/25. 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.
Mon 12/88:11 pmBOS - BOG
1 stop16h 41mSpirit Airlines
Wed 12/103:05 pmBOG - BOS
1 stop8h 51mSpirit Airlines
Deal found 10/25$331
This Expedia deal was found by Cheapflights users on 10/26. 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.
Thu 12/48:11 pmBOS - BOG
1 stop16h 41mSpirit Airlines
Mon 12/82:17 amBOG - BOS
2 stops16h 49mSpirit Airlines
Deal found 10/26$332
This Cheapflightsfares deal was found by Cheapflights users on 10/27. 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.
Wed 12/108:11 pmBOS - BOG
1 stop16h 41mSpirit Airlines
Wed 12/173:05 pmBOG - BOS
1 stop8h 51mSpirit Airlines
Deal found 10/27$338
This KAYAK deal was found by Cheapflights users on 10/26. 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.
Thu 12/48:11 pmBOS - BOG
1 stop16h 41mSpirit Airlines
Sun 12/72:17 amBOG - BOS
1 stop21h 39mSpirit Airlines
Deal found 10/26$340
This Kiwi.com deal was found by Cheapflights users on 10/26. 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 11/106:16 amBOS - BOG
1 stop7h 54mSpirit Airlines
Thu 11/133:15 pmBOG - BOS
1 stop8h 44mSpirit Airlines
Deal found 10/26$343
This Kiwi.com deal was found by Cheapflights users on 10/26. 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 11/106:16 amBOS - BOG
1 stop7h 54mSpirit Airlines
Wed 11/123:15 pmBOG - BOS
1 stop8h 44mSpirit Airlines
Deal found 10/26$345
This Flightnetwork deal was found by Cheapflights users on 10/26. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/108:11 pmBOS - MDE
1 stop17h 46mSpirit Airlines
Wed 12/173:10 pmMDE - BOS
1 stop8h 46mSpirit Airlines
Deal found 10/26$345
This Orbitz deal was found by Cheapflights users on 10/26. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/56:16 amBOS - BOG
1 stop7h 54mSpirit Airlines
Wed 11/123:15 pmBOG - BOS
1 stop8h 44mSpirit Airlines
Deal found 10/26$349
This Kiwi.com deal was found by Cheapflights users on 10/26. 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.
Tue 12/95:45 amBOS - MDE
1 stop19h 24mSpirit Airlines
Wed 12/102:05 amMDE - BOS
1 stop21h 51mSpirit Airlines
Deal found 10/26$349
This KAYAK deal was found by Cheapflights users on 10/26. 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.
Fri 12/58:11 pmBOS - MDE
1 stop17h 46mSpirit Airlines
Fri 12/123:10 pmMDE - BOS
1 stop8h 46mSpirit Airlines
Deal found 10/26$352

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 October 28, 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

Sat 11/15

7:34 am-8:16 pm

1 stop12h 42m

Medellín Jose Maria Cordova Intl

Mon 11/24

5:00 am-1:24 pm

1 stop8h 24m

$363

BostonMedellín

BOS - MDE

BOSMDE

Boston Logan Intl

Tue 11/25

2:44 pm-9:51 am

1 stop19h 07m

Medellín Jose Maria Cordova Intl

Thu 12/4

5:00 am-1:24 pm

1 stop8h 24m

$363

BostonMedellín

BOS - MDE

BOSMDE

Boston Logan Intl

Thu 11/13

2:44 pm-8:18 am

1 stop17h 34m

Medellín Jose Maria Cordova Intl

Mon 11/17

8:37 am-10:03 pm

1 stop13h 26m

$363

BostonMedellín

BOS - MDE

BOSMDE

Boston Logan Intl

Mon 12/8

2:44 pm-9:51 am

1 stop19h 07m

Medellín Jose Maria Cordova Intl

Sun 12/21

5:00 am-10:40 pm

1 stop17h 40m

$363

BostonMedellín

BOS - MDE

BOSMDE

Boston Logan Intl

Thu 1/15

3:07 pm-8:18 am

1 stop17h 11m

Medellín Jose Maria Cordova Intl

Thu 1/29

6:26 am-10:03 pm

1 stop15h 37m

$363

BostonBogotá

BOS - BOG

BOSBOG

Boston Logan Intl

Sun 11/9

6:16 am-2:10 pm

1 stop7h 54m

Bogotá El Dorado

Wed 11/19

3:15 pm-11:59 pm

1 stop8h 44m

$369

BostonMedellín

BOS - MDE

BOSMDE

Boston Logan Intl

Tue 2/10

7:05 am-10:05 pm

1 stop15h 00m

Medellín Jose Maria Cordova Intl

Fri 2/13

10:45 am-11:30 pm

1 stop12h 45m

$375

BostonMedellín

BOS - MDE

BOSMDE

Boston Logan Intl

Mon 12/8

7:00 am-10:05 pm

1 stop15h 05m

Medellín Jose Maria Cordova Intl

Fri 12/12

1:15 am-12:22 pm

1 stop11h 07m

$375

BostonMedellín

BOS - MDE

BOSMDE

Boston Logan Intl

Sun 11/9

7:05 am-10:05 pm

1 stop15h 00m

Medellín Jose Maria Cordova Intl

Wed 11/12

10:45 am-9:35 pm

1 stop10h 50m

$375

BostonMedellín

BOS - MDE

BOSMDE

Boston Logan Intl

Sat 11/8

6:23 pm-10:05 pm

2 stops27h 42m

Medellín Jose Maria Cordova Intl

Wed 11/12

10:45 am-10:34 am

2 stops23h 49m

$380

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/26

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, December is the cheapest month in which you can book a flight from Boston to South America (average of $183). Flying from Boston to South America in April is currently the most expensive (average of $311). 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 October 28, 2025.

One of the essential ways to save on airfare from Boston to South America is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the evening could potentially save you up to 35% 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 October 26, 2025.

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. Saturday at noon 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 October 28, 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
7.9
Good
7,996 reviews

Overall

7.9

Crew

8.5

Boarding

8.2

Food

7.3

Entertainment

7.9

Comfort

7.9

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
Delta
7.9
Good
7,996 reviews
Delta
7.9
Good
7,996 reviews

Overall

7.9

Crew

8.5

Boarding

8.2

Food

7.3

Entertainment

7.9

Comfort

7.9

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
Copa Airlines
7.6
Good
1,561 reviews
Delta
7.9
Good
7,996 reviews

Overall

7.9

Crew

8.5

Boarding

8.2

Food

7.3

Entertainment

7.9

Comfort

7.9

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
LATAM Airlines
7.5
Good
1,871 reviews
Delta
7.9
Good
7,996 reviews

Overall

7.9

Crew

8.5

Boarding

8.2

Food

7.3

Entertainment

7.9

Comfort

7.9

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
American Airlines
7.2
Good
11,033 reviews
Delta
7.9
Good
7,996 reviews

Overall

7.9

Crew

8.5

Boarding

8.2

Food

7.3

Entertainment

7.9

Comfort

7.9

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
Avianca
6.6
Okay
2,466 reviews
Delta
7.9
Good
7,996 reviews

Overall

7.9

Crew

8.5

Boarding

8.2

Food

7.3

Entertainment

7.9

Comfort

7.9

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.

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 21 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, Spirit Airlines, and GOL fly from Boston to South America in about 7h 54m. The time it takes to get you to your destination can typically vary by up to 7h 46m. Airlines will cover a distance of 2608 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 $157 on Spirit Airlines. Other airlines that offer cheap prices include United Airlines from $160 and Air Canada from $235 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 - Sao Paulo Viracopos.

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

    The cheapest flight price from Boston to South America is $175. On average you can expect to pay $711. The most popular route, (Boston Logan Intl - Medellín Jose Maria Cordova Intl), can usually be booked for $264.

  • 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, December is the cheapest month in which you can book a flight from Boston to South America (average of $183). Flying from Boston to South America in April is currently the most expensive (average of $311). 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.

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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 October 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$234Average$787FlexibilityNo cancel feeOn-time69%
Spirit AirlinesCheapest$248Average$524FlexibilityNo cancel feeOn-time65%
DeltaCheapest$302Average$826FlexibilityNo cancel feeOn-timeN/A
Copa AirlinesCheapest$305Average$708FlexibilityNo cancel feeOn-time70%
LATAM AirlinesCheapest$308Average$735FlexibilityNo cancel feeOn-time81%
AviancaCheapest$311Average$592FlexibilityNo cancel feeOn-time71%
American AirlinesCheapest$337Average$791FlexibilityNo cancel feeOn-time71%
GOLCheapest$340Average$774FlexibilityNo cancel feeOn-time74%
JetBlueCheapest$398Average$576FlexibilityNo cancel feeOn-time62%
Air CanadaCheapest$590Average$765FlexibilityNo cancel feeOn-time67%

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