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Cheap flights from Boston to South America from $151

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 12/13. 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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Cheap round-trip flights

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Multiple Airlines Logo
12:10 pm - 12:50 pmBOS-BOG
24h 40m1 stop
Multiple Airlines Logo
1:45 pm - 2:38 pmBOG-BOS
24h 53m1 stop
$339Multiple Airlines
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Sun, Jan 18 - Sun, Jan 25
Spirit Airlines Logo
11:08 am - 1:12 amBOS-BOG
14h 04m2 stops
Spirit Airlines Logo
3:05 pm - 11:56 pmBOG-BOS
8h 51m1 stop
$340Spirit Airlines
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Sun, Dec 7 - Fri, Dec 12
American Airlines Logo
6:00 am - 9:10 pmBOS-MDE
15h 10m2 stops
American Airlines Logo
7:00 am - 7:25 pmMDE-BOS
12h 25m2 stops
$380American Airlines
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Mon, Feb 23 - Tue, Mar 3
LATAM Airlines Logo
1:00 pm - 6:55 amBOS-GRU
15h 55m1 stop
LATAM Airlines Logo
10:35 am - 11:29 pmGRU-BOS
13h 54m1 stop
$519LATAM Airlines
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Fri, Jan 23 - Tue, Mar 31
LATAM Airlines Logo
5:05 pm - 9:55 amBOS-GRU
14h 50m1 stop
LATAM Airlines Logo
10:20 am - 11:59 pmGRU-BOS
15h 39m1 stop
$521LATAM Airlines
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Sun, Jan 25 - Sun, Feb 1
Delta Logo
9:55 am - 8:55 pmBOS-GRU
10h 00mnonstop
Delta Logo
10:40 am - 12:59 amGRU-BOS
15h 19m1 stop
$526Delta
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Wed, Mar 11 - Tue, Mar 24
Delta Logo
3:05 pm - 5:40 amBOS-GRU
13h 35m1 stop
Delta Logo
8:30 pm - 11:21 amGRU-BOS
15h 51m1 stop
$530Delta
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Mon, Mar 23 - Wed, Apr 1
Copa Airlines Logo
2:44 pm - 8:21 pmBOS-SCL
27h 37m1 stop
Copa Airlines Logo
1:08 am - 10:40 pmSCL-BOS
23h 32m1 stop
$551Copa Airlines
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Thu, Nov 27 - Tue, Dec 9
American Airlines Logo
3:46 pm - 10:05 amBOS-GIG
16h 19m2 stops
American Airlines Logo
11:00 pm - 7:33 pmGIG-BOS
22h 33m1 stop
$599American Airlines
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Wed, Dec 3 - Mon, Feb 9
Copa Airlines Logo
4:05 pm - 8:00 amBOS-GIG
14h 55m1 stop
Copa Airlines Logo
5:10 am - 11:10 pmGIG-BOS
19h 00m1 stop
$600Copa Airlines
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Mon, Mar 9 - Fri, Mar 20

LATAM Airlines flights from Boston to South America

Our best LATAM Airlines deals on Boston to South America flight tickets
LATAM Airlines
Feb 11
BOS6:55 amBoston Logan Intl
12h 35m
1 stop
BOG7:30 pmBogotá El Dorado
Mar 2
BOG3:55 pmBogotá El Dorado
9h 14m
1 stop
BOS1:09 amBoston Logan Intl
$407
Find similar
LATAM Airlines
Nov 17
BOS7:10 amBoston Logan Intl
25h 30m
2 stops
BOG8:40 amBogotá El Dorado
Nov 27
BOG3:55 pmBogotá El Dorado
17h 40m
1 stop
BOS9:35 amBoston Logan Intl
$447
Find similar
LATAM Airlines
Nov 17
BOS7:10 amBoston Logan Intl
25h 30m
2 stops
BOG8:40 amBogotá El Dorado
Nov 21
BOG9:15 pmBogotá El Dorado
37h 03m
2 stops
BOS10:18 amBoston Logan Intl
$464
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Delta flights from Boston to South America

Our best Delta deals on Boston to South America flight tickets
Delta
Mar 7
BOS7:59 pmBoston Logan Intl
24h 21m
1 stop
BOG8:20 pmBogotá El Dorado
Mar 15
BOG3:55 pmBogotá El Dorado
18h 34m
1 stop
BOS11:29 amBoston Logan Intl
$414
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Delta
Dec 2
BOS5:40 amBoston Logan Intl
24h 30m
2 stops
BOG6:10 amBogotá El Dorado
Dec 8
BOG9:00 amBogotá El Dorado
9h 14m
1 stop
BOS6:14 pmBoston Logan Intl
$415
Find similar
Delta
Nov 27
BOS7:05 amBoston Logan Intl
9h 40m
1 stop
BOG4:45 pmBogotá El Dorado
Dec 2
BOG3:55 pmBogotá El Dorado
19h 20m
1 stop
BOS11:15 amBoston Logan Intl
$488
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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 November 13, 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

BostonBogotá

BOS - BOG

BOSBOG

Boston Logan Intl

Sun 1/18

12:10 pm-12:50 pm

1 stop24h 40m

Bogotá El Dorado

Sun 1/25

1:45 pm-2:38 pm

1 stop24h 53m

$339

BostonBogotá

BOS - BOG

BOSBOG

Boston Logan Intl

Sun 12/7

11:08 am-1:12 am

2 stops14h 04m

Bogotá El Dorado

Fri 12/12

3:05 pm-11:56 pm

1 stop8h 51m

$340

BostonMedellín

BOS - MDE

BOSMDE

Boston Logan Intl

Mon 2/23

6:00 am-9:10 pm

2 stops15h 10m

Medellín Jose Maria Cordova Intl

Tue 3/3

7:00 am-7:25 pm

2 stops12h 25m

$380

BostonSao Paulo

BOS - GRU

BOSGRU

Boston Logan Intl

Fri 1/23

1:00 pm-6:55 am

1 stop15h 55m

Sao Paulo Guarulhos Intl

Tue 3/31

10:35 am-11:29 pm

1 stop13h 54m

$519

BostonSao Paulo

BOS - GRU

BOSGRU

Boston Logan Intl

Sun 1/25

5:05 pm-9:55 am

1 stop14h 50m

Sao Paulo Guarulhos Intl

Sun 2/1

10:20 am-11:59 pm

1 stop15h 39m

$521

BostonSao Paulo

BOS - GRU

BOSGRU

Boston Logan Intl

Wed 3/11

9:55 am-8:55 pm

Nonstop10h 00m

Sao Paulo Guarulhos Intl

Tue 3/24

10:40 am-12:59 am

1 stop15h 19m

$526

BostonSao Paulo

BOS - GRU

BOSGRU

Boston Logan Intl

Mon 3/23

3:05 pm-5:40 am

1 stop13h 35m

Sao Paulo Guarulhos Intl

Wed 4/1

8:30 pm-11:21 am

1 stop15h 51m

$530

BostonSantiago

BOS - SCL

BOSSCL

Boston Logan Intl

Thu 11/27

2:44 pm-8:21 pm

1 stop27h 37m

Santiago Arturo Merino Benitez

Tue 12/9

1:08 am-10:40 pm

1 stop23h 32m

$551

BostonRio de Janeiro

BOS - GIG

BOSGIG

Boston Logan Intl

Wed 12/3

3:46 pm-10:05 am

2 stops16h 19m

Rio de Janeiro–Galeão Intl

Mon 2/9

11:00 pm-7:33 pm

1 stop22h 33m

$599

BostonRio de Janeiro

BOS - GIG

BOSGIG

Boston Logan Intl

Mon 3/9

4:05 pm-8:00 am

1 stop14h 55m

Rio de Janeiro–Galeão Intl

Fri 3/20

5:10 am-11:10 pm

1 stop19h 00m

$600

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, September 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 $522. If you aren’t able to travel during the month of September, then book flights to South America from Boston during October instead. Flights to South America in October, while not as cheap as those in September, still average around $558.

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 $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 $517 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 30% 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

$194

Fastest flight time

6h 30m

Direct flights

Tue, Wed, Thu, Fri, Sat and Sun

Airports in South America

2 airports
The best one-way flight to South America from Boston in the past 72 hours is $194. The best round-trip flight deal from Boston to South America found on momondo in the last 72 hours is $430.
The fastest flight from Boston to South America takes 6h 30m
Direct flights go from Boston to South America on Tuesday, Wednesday, Thursday, Friday, Saturday and Sunday. There are no airlines offering direct flights.
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
9,017 reviews
Search United Airlines flights
Air CanadaPriceFrom $234Free CancellationRating
7.1
10,449 reviews
Search Air Canada flights
Spirit AirlinesPriceFrom $248Free CancellationRating
6.3
8,139 reviews
Search Spirit Airlines flights
Copa AirlinesPriceFrom $304Free CancellationRating
7.6
1,565 reviews
Search Copa Airlines flights
LATAM AirlinesPriceFrom $308Free CancellationRating
7.5
1,876 reviews
Search LATAM Airlines flights
AviancaPriceFrom $313Free CancellationRating
6.6
2,476 reviews
Search Avianca flights
DeltaPriceFrom $317Free CancellationRating
7.9
8,007 reviews
Search Delta flights
American AirlinesPriceFrom $339Free CancellationRating
7.2
11,051 reviews
Search American Airlines flights
GOLPriceFrom $340Free CancellationRating
7.3
1,128 reviews
Search GOL flights
JetBluePriceFrom $393Free CancellationRating
7.2
2,907 reviews
Search JetBlue 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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