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Cheap flights from Boston to South America from $144

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 10/3. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Boston to South America

Cheap round-trip flights

Spirit Airlines Logo
2:15 pm - 12:21 amBOS-MDE
11h 06m2 stops
Spirit Airlines Logo
1:16 am - 11:16 amMDE-BOS
9h 00m1 stop
$325Spirit Airlines
Find Deal
Sat, Oct 25 - Wed, Oct 29
Spirit Airlines Logo
6:10 am - 1:14 pmBOS-MDE
8h 04m1 stop
Spirit Airlines Logo
1:16 am - 11:26 amMDE-BOS
9h 10m1 stop
$326Spirit Airlines
Find Deal
Sun, Sep 28 - Thu, Oct 9
Copa Airlines Logo
8:41 am - 8:00 pmBOS-MDE
12h 19m1 stop
Copa Airlines Logo
10:46 am - 10:03 pmMDE-BOS
11h 17m1 stop
$363Copa Airlines
Find Deal
Tue, Oct 28 - Thu, Nov 6
Copa Airlines Logo
8:41 am - 5:07 pmBOS-BOG
9h 26m1 stop
Copa Airlines Logo
10:15 am - 2:11 pmBOG-BOS
26h 56m1 stop
$376Copa Airlines
Find Deal
Mon, Oct 6 - Sun, Oct 12
LATAM Airlines Logo
5:40 am - 7:30 pmBOS-BOG
13h 50m1 stop
LATAM Airlines Logo
7:00 am - 11:02 pmBOG-BOS
16h 02m1 stop
$402LATAM Airlines
Find Deal
Sat, Nov 8 - Fri, Nov 21
LATAM Airlines Logo
7:35 am - 7:54 pmBOS-BOG
13h 19m1 stop
LATAM Airlines Logo
1:35 am - 3:26 pmBOG-BOS
12h 51m1 stop
$403LATAM Airlines
Find Deal
Tue, Oct 7 - Mon, Oct 20
Delta Logo
7:35 am - 7:58 pmBOS-BOG
13h 23m1 stop
Delta Logo
1:35 am - 3:26 pmBOG-BOS
12h 51m1 stop
$409Delta
Find Deal
Fri, Oct 17 - Sun, Oct 19
Delta Logo
10:10 am - 7:15 pmBOS-BOG
10h 05m1 stop
Delta Logo
1:35 am - 4:15 pmBOG-BOS
13h 40m2 stops
$413Delta
Find Deal
Thu, Sep 25 - Sun, Sep 28
American Airlines Logo
5:30 am - 12:40 pmBOS-BOG
8h 10m1 stop
American Airlines Logo
12:05 am - 8:08 pmBOG-BOS
19h 03m1 stop
$415American Airlines
Find Deal
Sun, Oct 26 - Thu, Oct 30
American Airlines Logo
2:59 pm - 10:30 amBOS-CNF
17h 31m2 stops
American Airlines Logo
7:10 pm - 9:39 amCNF-BOS
16h 29m2 stops
$513American Airlines
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Tue, Nov 4 - Mon, Nov 17

United Airlines flights from Boston to South America

Our best United Airlines deals on Boston to South America flight tickets
United Airlines
Oct 27
BOS1:30 pmBoston Logan Intl
10h 35m
1 stop
BOG11:05 pmBogotá El Dorado
Nov 3
BOG1:30 amBogotá El Dorado
13h 47m
2 stops
BOS3:17 pmBoston Logan Intl
$401
Find similar
United Airlines
Oct 27
BOS1:30 pmBoston Logan Intl
10h 35m
1 stop
BOG11:05 pmBogotá El Dorado
Nov 4
BOG8:15 amBogotá El Dorado
13h 19m
2 stops
BOS9:34 pmBoston Logan Intl
$411
Find similar
United Airlines
Sep 22
BOS6:10 amBoston Logan Intl
23h 44m
2 stops
BOG4:54 amBogotá El Dorado
Sep 25
BOG12:14 amBogotá El Dorado
18h 17m
2 stops
BOS7:31 pmBoston Logan Intl
$423
Find similar

Delta flights from Boston to South America

Our best Delta deals on Boston to South America flight tickets
Delta
Sep 20
BOS7:20 amBoston Logan Intl
10h 15m
1 stop
BOG4:35 pmBogotá El Dorado
Sep 26
BOG2:55 pmBogotá El Dorado
9h 23m
1 stop
BOS1:18 amBoston Logan Intl
$401
Find similar
Delta
Oct 17
BOS7:35 amBoston Logan Intl
13h 23m
1 stop
BOG7:58 pmBogotá El Dorado
Oct 19
BOG1:35 amBogotá El Dorado
12h 51m
1 stop
BOS3:26 pmBoston Logan Intl
$409
Find similar
Delta
Sep 25
BOS10:10 amBoston Logan Intl
10h 05m
1 stop
BOG7:15 pmBogotá El Dorado
Sep 28
BOG1:35 amBogotá El Dorado
13h 40m
2 stops
BOS4:15 pmBoston Logan Intl
$413
Find similar

momondo 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, momondo users made 832,500 searches. Data last updated September 15, 2025.
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

BostonMedellín

BOS - MDE

BOSMDE

Boston Logan Intl

Sat 10/25

2:15 pm-12:21 am

2 stops11h 06m

Medellín Jose Maria Cordova Intl

Wed 10/29

1:16 am-11:16 am

1 stop9h 00m

$325

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-11:26 am

1 stop9h 10m

$326

BostonMedellín

BOS - MDE

BOSMDE

Boston Logan Intl

Tue 10/28

8:41 am-8:00 pm

1 stop12h 19m

Medellín Jose Maria Cordova Intl

Thu 11/6

10:46 am-10:03 pm

1 stop11h 17m

$363

BostonBogotá

BOS - BOG

BOSBOG

Boston Logan Intl

Mon 10/6

8:41 am-5:07 pm

1 stop9h 26m

Bogotá El Dorado

Sun 10/12

10:15 am-2:11 pm

1 stop26h 56m

$376

BostonBogotá

BOS - BOG

BOSBOG

Boston Logan Intl

Sat 11/8

5:40 am-7:30 pm

1 stop13h 50m

Bogotá El Dorado

Fri 11/21

7:00 am-11:02 pm

1 stop16h 02m

$402

BostonBogotá

BOS - BOG

BOSBOG

Boston Logan Intl

Tue 10/7

7:35 am-7:54 pm

1 stop13h 19m

Bogotá El Dorado

Mon 10/20

1:35 am-3:26 pm

1 stop12h 51m

$403

BostonBogotá

BOS - BOG

BOSBOG

Boston Logan Intl

Fri 10/17

7:35 am-7:58 pm

1 stop13h 23m

Bogotá El Dorado

Sun 10/19

1:35 am-3:26 pm

1 stop12h 51m

$409

BostonBogotá

BOS - BOG

BOSBOG

Boston Logan Intl

Thu 9/25

10:10 am-7:15 pm

1 stop10h 05m

Bogotá El Dorado

Sun 9/28

1:35 am-4:15 pm

2 stops13h 40m

$413

BostonBogotá

BOS - BOG

BOSBOG

Boston Logan Intl

Sun 10/26

5:30 am-12:40 pm

1 stop8h 10m

Bogotá El Dorado

Thu 10/30

12:05 am-8:08 pm

1 stop19h 03m

$415

BostonBelo Horizonte

BOS - CNF

BOSCNF

Boston Logan Intl

Tue 11/4

2:59 pm-10:30 am

2 stops17h 31m

Belo Horizonte Tancredo Neves Intl

Mon 11/17

7:10 pm-9:39 am

2 stops16h 29m

$513

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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

What is the cheapest month to fly to South America?

In general, November 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 $484. If you aren’t able to travel during the month of November, then book flights to South America from Boston during September instead. Flights to South America in September, while not as cheap as those in November, still average around $528.

What is the cheapest day to depart on your flight to South America?

The cheapest day to depart from Boston to South America is on a Monday when prices can be found for as low as $531. When flying out on a Saturday, the most expensive travel day of the week, you can expect to see flight prices from Boston to South America for around $635.

What is the cheapest time of day to depart on your flight to South America?

Our data shows that the cheapest Boston to South America flights are usually those with departure times in the evening. Our users have found flights to South America in the evening for as low as $508. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are $594 on average. Flights to South America from Boston in the morning are generally more expensive because this time of day is more convenient for travelers’ schedules.

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 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 $625 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 $562 on momondo.

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

There are 4 cabin classes available to choose from on Boston Logan Intl 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 36% 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

$189

Fastest flight time

6h 10m

Direct flights

Mon, Tue, Wed, Fri and Sun

Airports in South America

2 airports
The best one-way flight to South America from Boston in the past 72 hours is $189. The best round-trip flight deal from Boston to South America found on momondo in the last 72 hours is $494.
The fastest flight from Boston to South America takes 6h 10m
Direct flights go from Boston to South America on Monday, Tuesday, Wednesday, Friday and Sunday. The only airline offering direct flights is Avianca.
There are 2 airports near South America: Bogotá El Dorado (BOG), Sao Paulo Guarulhos Intl (GRU)
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  • 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?

  • 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?

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
United AirlinesPriceFrom $234Free CancellationRating
7.4
8,929 reviews
Search United Airlines flights
Spirit AirlinesPriceFrom $248Free CancellationRating
6.3
8,015 reviews
Search Spirit Airlines flights
AviancaPriceFrom $290Free CancellationRating
6.7
2,435 reviews
Search Avianca flights
LATAM AirlinesPriceFrom $308Free CancellationRating
7.5
1,847 reviews
Search LATAM Airlines flights
DeltaPriceFrom $309Free CancellationRating
7.9
7,954 reviews
Search Delta flights
Copa AirlinesPriceFrom $311Free CancellationRating
7.6
1,531 reviews
Search Copa Airlines flights
GOLPriceFrom $340Free CancellationRating
7.3
1,105 reviews
Search GOL flights
American AirlinesPriceFrom $341Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
JetBluePriceFrom $402Free CancellationRating
7.2
2,912 reviews
Search JetBlue flights
Air CanadaPriceFrom $590Free CancellationRating
7.1
10,000 reviews
Search Air Canada 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

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