What is the cheapest airline that flies from Boston Logan Intl to South America?

Copa Airlines, American Airlines, and Delta are the most popular carriers operating from Boston Logan Intl to South America

How many flights depart from Boston to South America on average per day?

As of September 2026, 2 flights take off from Boston and land in South America each day. The most common flight departure time for this route is 10:00AM, with 100% of daily flights taking off at noon.

How many flights depart from Boston to South America on average per week?

As of September 2026, there are 14 flights per week flying from Boston to South America. The most common day of the week flights depart is Thu, with 29% of flights taking off on this day.

What airlines fly to South America?

Copa Airlines, LATAM Airlines and American Airlines are the top three most popular airlines that fly to South America from Boston according to our data. Copa Airlines is the first choice among our users, with 40% of people opting to fly with this airline when traveling to South America. Keep in mind that there are 10 different airlines that fly to South America on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from Boston Logan Intl Airport to South America?

Prices for flights from Boston Logan Intl Airport to South America are updated daily.

How many operators does momondo search for flights from Boston Logan Intl Airport to South America?

The number of operators available for flights from Boston Logan Intl Airport to South America is 11 as of September 2026.

How old do you have to be to fly from Boston Logan Intl Airport to South America?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Boston Logan Intl Airport to South America.

What documentation or ID do you need to fly to South America?

The travel and health documents you'll need for your trip to South America may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at South America. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$161 Cheap Flights from Boston to South America in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Boston to South America

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12:15 pm - 8:10 pmBOS Boston Logan Intl-BOG Bogotá El Dorado

8h 55m1 stop Santo Domingo Las Americas

10:05 am - 8:50 pmBOG Bogotá El Dorado-BOS Boston Logan Intl

9h 45m1 stop Santo Domingo Las Americas

$360Arajet

Wed, Sep 16 - Thu, Oct 22

3:55 pm - 8:05 amBOS Boston Logan Intl-CTG Cartagena Rafael Nunez

17h 10m1 stop Panama City Tocumen Intl

12:05 pm - 11:02 pmCTG Cartagena Rafael Nunez-BOS Boston Logan Intl

9h 57m1 stop Panama City Tocumen Intl

$360Copa Airlines

Wed, Oct 14 - Wed, Oct 28

12:15 pm - 7:02 pmBOS Boston Logan Intl-CTG Cartagena Rafael Nunez

7h 47m1 stop Santo Domingo Las Americas

11:00 am - 8:50 pmCTG Cartagena Rafael Nunez-BOS Boston Logan Intl

8h 50m1 stop Santo Domingo Las Americas

$362Arajet

Fri, Sep 25 - Sun, Oct 4

3:55 pm - 8:35 amBOS Boston Logan Intl-CTG Cartagena Rafael Nunez

17h 40m1 stop Panama City Tocumen Intl

6:25 am - 10:01 pmCTG Cartagena Rafael Nunez-BOS Boston Logan Intl

15h 36m1 stop Panama City Tocumen Intl

$367Copa Airlines

Sun, Oct 25 - Tue, Nov 3

3:40 pm - 5:35 amBOS Boston Logan Intl-MDE Medellín Jose Maria Cordova Intl

13h 55m2 stops San Salvador El Salvador Intl Bogotá El Dorado

6:00 pm - 6:35 amMDE Medellín Jose Maria Cordova Intl-BOS Boston Logan Intl

12h 35m1 stop Bogotá El Dorado

$374Avianca

Mon, Nov 2 - Fri, Nov 6

8:45 am - 6:40 pmBOS Boston Logan Intl-MDE Medellín Jose Maria Cordova Intl

10h 55m1 stop Bogotá El Dorado

6:00 pm - 7:35 amMDE Medellín Jose Maria Cordova Intl-BOS Boston Logan Intl

12h 35m1 stop Bogotá El Dorado

$377Avianca

Tue, Oct 20 - Fri, Oct 30

3:00 pm - 2:50 pmBOS Boston Logan Intl-CTG Cartagena Rafael Nunez

23h 50m2 stops Chicago O'Hare Intl Houston George Bush Intcntl

4:00 pm - 11:49 pmCTG Cartagena Rafael Nunez-BOS Boston Logan Intl

7h 49m1 stop Washington, D.C. Dulles Intl

$382United Airlines

Fri, Jan 8 - Tue, Jan 12

3:33 pm - 1:10 pmBOS Boston Logan Intl-CTG Cartagena Rafael Nunez

21h 37m2 stops Newark Washington, D.C. Dulles Intl

2:20 pm - 5:24 pmCTG Cartagena Rafael Nunez-BOS Boston Logan Intl

27h 04m2 stops Houston George Bush Intcntl Newark

$382United Airlines

Fri, Jan 8 - Tue, Jan 12

6:00 am - 1:35 pmBOS Boston Logan Intl-CTG Cartagena Rafael Nunez

7h 35m1 stop Miami

4:37 pm - 12:59 amCTG Cartagena Rafael Nunez-BOS Boston Logan Intl

8h 22m1 stop Miami

$385American Airlines

Sun, Nov 8 - Sat, Nov 14

5:00 am - 12:35 pmBOS Boston Logan Intl-CTG Cartagena Rafael Nunez

8h 35m1 stop Miami

1:35 pm - 11:40 pmCTG Cartagena Rafael Nunez-BOS Boston Logan Intl

9h 05m1 stop Miami

$385American Airlines

Tue, Oct 27 - Sat, Oct 31

Cheap last minute flights

Enter your travel dates to find the best prices.

3:55 pm - 8:15 amBOS Boston Logan Intl-MDE Medellín Jose Maria Cordova Intl

17h 20m1 stop Panama City Tocumen Intl

6:20 pm - 2:29 pmMDE Medellín Jose Maria Cordova Intl-BOS Boston Logan Intl

19h 09m1 stop Panama City Tocumen Intl

$375Copa Airlines

Thu, Sep 10 - Wed, Sep 16

8:47 am - 8:15 amBOS Boston Logan Intl-MDE Medellín Jose Maria Cordova Intl

24h 28m1 stop Panama City Tocumen Intl

6:20 pm - 2:29 pmMDE Medellín Jose Maria Cordova Intl-BOS Boston Logan Intl

19h 09m1 stop Panama City Tocumen Intl

$376Copa Airlines

Mon, Sep 7 - Wed, Sep 16

5:30 am - 1:40 pmBOS Boston Logan Intl-BOG Bogotá El Dorado

9h 10m1 stop Atlanta Hartsfield-Jackson

8:40 am - 11:30 pmBOG Bogotá El Dorado-BOS Boston Logan Intl

13h 50m1 stop Miami

$401LATAM Airlines

Fri, Sep 11 - Fri, Sep 18

10:15 am - 7:15 pmBOS Boston Logan Intl-BOG Bogotá El Dorado

10h 00m1 stop Atlanta Hartsfield-Jackson

11:00 am - 11:30 pmBOG Bogotá El Dorado-BOS Boston Logan Intl

11h 30m1 stop Miami

$402LATAM Airlines

Thu, Sep 10 - Wed, Sep 16

4:50 pm - 6:20 amBOS Boston Logan Intl-MDE Medellín Jose Maria Cordova Intl

14h 30m2 stops San Salvador El Salvador Intl Bogotá El Dorado

10:30 pm - 2:50 pmMDE Medellín Jose Maria Cordova Intl-BOS Boston Logan Intl

15h 20m2 stops Bogotá El Dorado San Salvador El Salvador Intl

$411Avianca

Wed, Sep 9 - Sat, Oct 10

9:25 am - 9:17 pmBOS Boston Logan Intl-BOG Bogotá El Dorado

12h 52m2 stops Washington, D.C. Reagan-National Miami

2:10 pm - 11:57 amBOG Bogotá El Dorado-BOS Boston Logan Intl

20h 47m1 stop Miami

$419American Airlines

Wed, Sep 9 - Tue, Sep 15

5:30 am - 7:15 pmBOS Boston Logan Intl-BOG Bogotá El Dorado

14h 45m1 stop Atlanta Hartsfield-Jackson

2:55 pm - 1:17 amBOG Bogotá El Dorado-BOS Boston Logan Intl

9h 22m1 stop Atlanta Hartsfield-Jackson

$435Delta

Thu, Sep 10 - Wed, Sep 16

9:25 am - 9:17 pmBOS Boston Logan Intl-BOG Bogotá El Dorado

12h 52m2 stops Washington, D.C. Reagan-National Miami

2:10 pm - 12:59 amBOG Bogotá El Dorado-BOS Boston Logan Intl

9h 49m1 stop Miami

$440American Airlines

Thu, Sep 10 - Wed, Sep 16

4:50 pm - 10:20 amBOS Boston Logan Intl-MDE Medellín Jose Maria Cordova Intl

18h 30m2 stops San Salvador El Salvador Intl Bogotá El Dorado

2:10 pm - 2:50 pmMDE Medellín Jose Maria Cordova Intl-BOS Boston Logan Intl

23h 40m1 stop San Salvador El Salvador Intl

$441Avianca

Wed, Sep 9 - Sat, Oct 10

3:05 pm - 5:00 amBOS Boston Logan Intl-LIM Lima J Chavez Intl

14h 55m1 stop Miami

12:05 pm - 9:42 amLIM Lima J Chavez Intl-BOS Boston Logan Intl

20h 37m1 stop Atlanta Hartsfield-Jackson

$573Delta

Thu, Sep 10 - Wed, Sep 16

Cheap direct flights

Enter your travel dates to find the best prices.

8:45 am - 1:55 pmBOS Boston Logan Intl-BOG Bogotá El Dorado

6h 10mnonstop

12:10 am - 7:35 amBOG Bogotá El Dorado-BOS Boston Logan Intl

6h 25mnonstop

$431Avianca

Sat, Oct 24 - Fri, Oct 30

8:45 am - 1:55 pmBOS Boston Logan Intl-BOG Bogotá El Dorado

6h 10mnonstop

12:10 am - 7:35 amBOG Bogotá El Dorado-BOS Boston Logan Intl

6h 25mnonstop

$431Avianca

Tue, Oct 20 - Mon, Oct 26

7:55 am - 2:25 pmBOS Boston Logan Intl-BOG Bogotá El Dorado

6h 30mnonstop

12:10 am - 6:35 amBOG Bogotá El Dorado-BOS Boston Logan Intl

6h 25mnonstop

$431Avianca

Tue, Nov 17 - Fri, Nov 20

8:45 am - 1:55 pmBOS Boston Logan Intl-BOG Bogotá El Dorado

6h 10mnonstop

11:55 pm - 7:10 amBOG Bogotá El Dorado-BOS Boston Logan Intl

6h 15mnonstop

$431Avianca

Tue, Oct 6 - Mon, Oct 19

10:05 am - 8:45 pmBOS Boston Logan Intl-GRU Sao Paulo Guarulhos Intl

9h 40mnonstop

10:40 pm - 6:45 amGRU Sao Paulo Guarulhos Intl-BOS Boston Logan Intl

10h 05mnonstop

$584LATAM Airlines

Fri, Oct 30 - Sun, Nov 8

9:05 am - 8:45 pmBOS Boston Logan Intl-GRU Sao Paulo Guarulhos Intl

9h 40mnonstop

10:40 pm - 6:45 amGRU Sao Paulo Guarulhos Intl-BOS Boston Logan Intl

10h 05mnonstop

$587LATAM Airlines

Sun, Jan 24 - Tue, Feb 16

9:05 am - 8:45 pmBOS Boston Logan Intl-GRU Sao Paulo Guarulhos Intl

9h 40mnonstop

10:40 pm - 6:45 amGRU Sao Paulo Guarulhos Intl-BOS Boston Logan Intl

10h 05mnonstop

$587LATAM Airlines

Sun, Jan 24 - Thu, Feb 18

9:05 am - 8:45 pmBOS Boston Logan Intl-GRU Sao Paulo Guarulhos Intl

9h 40mnonstop

10:40 pm - 6:45 amGRU Sao Paulo Guarulhos Intl-BOS Boston Logan Intl

10h 05mnonstop

$589LATAM Airlines

Sun, Jan 24 - Tue, Feb 16

9:05 am - 8:45 pmBOS Boston Logan Intl-GRU Sao Paulo Guarulhos Intl

9h 40mnonstop

10:40 pm - 6:45 amGRU Sao Paulo Guarulhos Intl-BOS Boston Logan Intl

10h 05mnonstop

$639Delta

Fri, Feb 5 - Thu, Feb 18

9:05 am - 8:45 pmBOS Boston Logan Intl-GRU Sao Paulo Guarulhos Intl

9h 40mnonstop

10:40 pm - 6:45 amGRU Sao Paulo Guarulhos Intl-BOS Boston Logan Intl

10h 05mnonstop

$639Delta

Wed, Feb 3 - Thu, Feb 18

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LATAM Airlines flights from Boston to South America

Our best LATAM Airlines deals on Boston to South America flight tickets

LATAM Airlines

Oct 20

BOS7:15 amBoston Logan Intl

11h 35m

1 stop

BOG5:50 pmBogotá El Dorado

Oct 27

BOG10:45 amBogotá El Dorado

11h 48m

1 stop

BOS11:33 pmBoston Logan Intl

$389

LATAM Airlines

Oct 24

BOS5:30 amBoston Logan Intl

8h 45m

1 stop

CTG1:15 pmCartagena Rafael Nunez

Oct 27

CTG4:00 amCartagena Rafael Nunez

18h 33m

2 stops

BOS11:33 pmBoston Logan Intl

$393

LATAM Airlines

Oct 20

BOS7:15 amBoston Logan Intl

11h 35m

1 stop

BOG5:50 pmBogotá El Dorado

Oct 27

BOG10:45 amBogotá El Dorado

13h 35m

2 stops

BOS1:20 amBoston Logan Intl

$394

American Airlines flights from Boston to South America

Our best American Airlines deals on Boston to South America flight tickets

American Airlines

Nov 8

BOS6:00 amBoston Logan Intl

7h 35m

1 stop

CTG1:35 pmCartagena Rafael Nunez

Nov 14

CTG4:37 pmCartagena Rafael Nunez

8h 22m

1 stop

BOS12:59 amBoston Logan Intl

$385

American Airlines

Oct 23

BOS6:50 pmBoston Logan Intl

18h 45m

2 stops

CTG12:35 pmCartagena Rafael Nunez

Oct 31

CTG1:35 pmCartagena Rafael Nunez

9h 05m

1 stop

BOS11:40 pmBoston Logan Intl

$390

American Airlines

Feb 2

BOS6:00 amBoston Logan Intl

8h 09m

1 stop

MDE2:09 pmMedellín Jose Maria Cordova Intl

Feb 9

MDE7:30 amMedellín Jose Maria Cordova Intl

16h 29m

1 stop

BOS11:59 pmBoston Logan Intl

$395

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BostonBogotá

BOS Boston Logan Intl - BOG Bogotá El Dorado

BOSBOG

Boston Logan Intl

Wed 9/16

12:15 pm-8:10 pm

1 stop8h 55m

Bogotá El Dorado

Thu 10/22

10:05 am-8:50 pm

1 stop9h 45m

$360

BostonCartagena

BOS Boston Logan Intl - CTG Cartagena Rafael Nunez

BOSCTG

Boston Logan Intl

Wed 10/14

3:55 pm-8:05 am

1 stop17h 10m

Cartagena Rafael Nunez

Wed 10/28

12:05 pm-11:02 pm

1 stop9h 57m

$360

BostonCartagena

BOS Boston Logan Intl - CTG Cartagena Rafael Nunez

BOSCTG

Boston Logan Intl

Fri 9/25

12:15 pm-7:02 pm

1 stop7h 47m

Cartagena Rafael Nunez

Sun 10/4

11:00 am-8:50 pm

1 stop8h 50m

$362

BostonCartagena

BOS Boston Logan Intl - CTG Cartagena Rafael Nunez

BOSCTG

Boston Logan Intl

Sun 10/25

3:55 pm-8:35 am

1 stop17h 40m

Cartagena Rafael Nunez

Tue 11/3

6:25 am-10:01 pm

1 stop15h 36m

$367

BostonMedellín

BOS Boston Logan Intl - MDE Medellín Jose Maria Cordova Intl

BOSMDE

Boston Logan Intl

Mon 11/2

3:40 pm-5:35 am

2 stops13h 55m

Medellín Jose Maria Cordova Intl

Fri 11/6

6:00 pm-6:35 am

1 stop12h 35m

$374

BostonMedellín

BOS Boston Logan Intl - MDE Medellín Jose Maria Cordova Intl

BOSMDE

Boston Logan Intl

Tue 10/20

8:45 am-6:40 pm

1 stop10h 55m

Medellín Jose Maria Cordova Intl

Fri 10/30

6:00 pm-7:35 am

1 stop12h 35m

$377

BostonCartagena

BOS Boston Logan Intl - CTG Cartagena Rafael Nunez

BOSCTG

Boston Logan Intl

Fri 1/8

3:00 pm-2:50 pm

2 stops23h 50m

Cartagena Rafael Nunez

Tue 1/12

4:00 pm-11:49 pm

1 stop7h 49m

$382

BostonCartagena

BOS Boston Logan Intl - CTG Cartagena Rafael Nunez

BOSCTG

Boston Logan Intl

Fri 1/8

3:33 pm-1:10 pm

2 stops21h 37m

Cartagena Rafael Nunez

Tue 1/12

2:20 pm-5:24 pm

2 stops27h 04m

$382

Quickest round-trip

BostonCartagena

BOS Boston Logan Intl - CTG Cartagena Rafael Nunez

BOSCTG

Boston Logan Intl

Sun 11/8

6:00 am-1:35 pm

1 stop7h 35m

Cartagena Rafael Nunez

Sat 11/14

4:37 pm-12:59 am

1 stop8h 22m

$385

BostonCartagena

BOS Boston Logan Intl - CTG Cartagena Rafael Nunez

BOSCTG

Boston Logan Intl

Tue 10/27

5:00 am-12:35 pm

1 stop8h 35m

Cartagena Rafael Nunez

Sat 10/31

1:35 pm-11:40 pm

1 stop9h 05m

$385

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Boston to South America

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Other information

What is the cheapest month to fly to South America?

In general, March is the cheapest month to fly from Boston to South America. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $631. If you aren’t able to travel during the month of March, then book flights to South America from Boston during November instead. Flights to South America in November, while not as cheap as those in March, still average around $660.

What is the cheapest Boston Logan Intl to South America flight route?

Fly from Boston Logan Intl to Bogotá El Dorado for the best Boston Logan Intl - South America flight prices

How far in advance should I book a flight from Boston to South America?

You are more likely to see cheaper flights to South America from Boston when booking weeks ahead of your departure date. In general, you can expect to find flights to South America for around $630 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to South America from Boston for as low as $547 on momondo.

What cabin class options are available on Boston to South America flights?

There are 3 cabin classes available to choose from on Boston to South America flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Boston to South America flights?

You could potentially save up to 13% on your flight if you consider stops on a Boston to South America flight.

Cheap Boston to South America flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Boston to South America

Best Price Found	$161
Fastest flight time	6h 10m
Direct flights	Wed, Fri and Sun
Airports in South America	464 airports

The best one-way flight to South America from Boston in the past 72 hours is $161. The best round-trip flight deal from Boston to South America found on momondo in the last 72 hours is $360.

The fastest flight from Boston to South America takes 6h 10m

Direct flights go from Boston to South America on Wednesday, Friday and Sunday. There are no airlines offering direct flights.

There are 464 airports in South America. From Boston there are direct flights to Bogotá El Dorado (BOG).

Search flight deals

Frequently asked questions about flying from Boston to South America

When did momondo last update prices for flights from Boston Logan Intl Airport to South America?
Prices for flights from Boston Logan Intl Airport to South America are updated daily.
How many operators does momondo search for flights from Boston Logan Intl Airport to South America?
The number of operators available for flights from Boston Logan Intl Airport to South America is 11 as of September 2026.
How old do you have to be to fly from Boston Logan Intl Airport to South America?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Boston Logan Intl Airport to South America.
What documentation or ID do you need to fly to South America?
The travel and health documents you'll need for your trip to South America may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at South America. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Boston to South America?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from Boston to South America is Boeing 787-9 Dreamliner (82.22% of total bookings). The next most popular plane models are Airbus A320neo (10.57%), Boeing 787 Dreamliner (1.80%), and Airbus A330-900neo (0.90%).

Best airlines flying from Boston to South America

Compare and see reviews for airlines that fly from Boston to South America with momondo

Airline	Rating	Free Cancellation	Price
Avianca	PriceFrom $126	Free Cancellation	Rating 6.5 2,556 reviews	Search Avianca flights
LATAM Airlines	PriceFrom $133	Free Cancellation	Rating 7.4 1,988 reviews	Search LATAM Airlines flights
Arajet	PriceFrom $137	Free Cancellation	Rating 6.1 54 reviews	Search Arajet flights
United Airlines	PriceFrom $148	Free Cancellation	Rating 7.4 10,172 reviews	Search United Airlines flights
Delta	PriceFrom $168	Free Cancellation	Rating 7.8 8,558 reviews	Search Delta flights
Copa Airlines	PriceFrom $202	Free Cancellation	Rating 7.6 1,552 reviews	Search Copa Airlines flights
Air Canada	PriceFrom $234	Free Cancellation	Rating 7.1 11,592 reviews	Search Air Canada flights
JetBlue	PriceFrom $297	Free Cancellation	Rating 7.1 3,046 reviews	Search JetBlue flights
American Airlines	PriceFrom $337	Free Cancellation	Rating 7.1 12,041 reviews	Search American Airlines flights
GOL	PriceFrom $360	Free Cancellation	Rating 7.3 1,291 reviews	Search GOL flights

Why use momondo?

Why should I use momondo to find a flight deal from Boston to South America?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Boston to South America. momondo saves you time and could save you money on your trip.

Can I find flights from Boston to South America with flexible booking policies on momondo?

Flights from Boston to South America with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Boston to South America?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Boston to South America.

I’m not ready to book a flight from Boston to South America right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Boston to South America flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

An easier way to manage your South America trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

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Find better results for your trip to South America

Popular cities

Other flights from Boston

Other flights to South America

Airlines

Cabin classes

Complete your trip

Feeling lucky

Popular cities in South America

Flights to Limafrom $375

Flights to Sao Paulofrom $458

Flights to Buenos Airesfrom $458

Flights to Bogotáfrom $328

Flights to Rio de Janeirofrom $454

Flights to Medellínfrom $312

Flights to Santiagofrom $428

Flights to Cartagenafrom $305

Flights to Quitofrom $426

Flights to Guayaquilfrom $333

Flights to Califrom $304

Flights to Cuscofrom $408

Cheap flights from Boston to South America from $161

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Boston to South America departing on 10/23. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Find the cheapest flights from Boston to South America

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Cheap last minute flights

Cheap direct flights

Big names and deals

Big names and deals

Filter for what you want

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LATAM Airlines flights from Boston to South America

Our best LATAM Airlines deals on Boston to South America flight tickets

American Airlines flights from Boston to South America

Our best American Airlines deals on Boston to South America flight tickets

momondo Fare Finder

Use the filters below to find and compare flights from Boston to South America that are best for you.

How to get the cheapest flight ticket from Boston to South America

What is the cheapest month to fly to South America?

What is the cheapest Boston Logan Intl to South America flight route?

How far in advance should I book a flight from Boston to South America?

What cabin class options are available on Boston to South America flights?

Can stopping save me money on Boston to South America flights?

What is the cheapest airline that flies from Boston Logan Intl to South America?

What airlines fly to South America?

How many flights depart from Boston to South America on average per day?

How many flights depart from Boston to South America on average per week?

Cheap Boston to South America flight deals and tips

Best Price Found

Fastest flight time

Direct flights

Airports in South America

Frequently asked questions about flying from Boston to South America

Best airlines flying from Boston to South America

Compare and see reviews for airlines that fly from Boston to South America with momondo

Why use momondo?

An easier way to manage your South America trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to South America

Popular cities in South America

Popular flights according to clicks in the last 7 days on momondo

Boston flight routes

According to popular flight searches on momondo this year

South America flight routes

According to popular flight searches on momondo this year

Fly your favorite airline to South America

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to South America

List of cabin classes available on flights landing in South America. Availability may vary depending on flight origin and airline.

Complete your trip to South America

Explore popular destinations other users love

According to popular flight searches on momondo this year