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Cheap flights from Boston to South America from $157

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 11/29. 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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Spirit Airlines Logo
6:06 pm - 12:50 pmBOS-BOG
18h 44m2 stops
Spirit Airlines Logo
1:45 pm - 5:08 pmBOG-BOS
27h 23m2 stops
$342Spirit Airlines
Find Deal
Thu, Jan 22 - Sun, Jan 25
Spirit Airlines Logo
3:43 pm - 12:50 pmBOS-BOG
21h 07m1 stop
Spirit Airlines Logo
1:47 pm - 2:38 pmBOG-BOS
24h 51m1 stop
$344Spirit Airlines
Find Deal
Fri, Jan 30 - Tue, Feb 24
Copa Airlines Logo
3:07 pm - 9:25 amBOS-BOG
18h 18m1 stop
Copa Airlines Logo
12:08 pm - 10:03 pmBOG-BOS
9h 55m1 stop
$346Copa Airlines
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Thu, Jan 8 - Fri, Jan 23
Copa Airlines Logo
3:07 pm - 8:18 amBOS-MDE
17h 11m1 stop
Copa Airlines Logo
6:10 am - 10:03 pmMDE-BOS
15h 53m1 stop
$386Copa Airlines
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Mon, Jan 12 - Tue, Jan 27
Avianca Logo
3:25 pm - 10:40 pmBOS-GRU
29h 15m2 stops
Avianca Logo
1:20 am - 7:35 amGRU-BOS
31h 15m1 stop
$527Avianca
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Mon, Feb 23 - Tue, Mar 10
LATAM Airlines Logo
6:55 am - 5:40 amBOS-GRU
20h 45m1 stop
LATAM Airlines Logo
10:40 pm - 6:35 amGRU-BOS
9h 55mnonstop
$528LATAM Airlines
Find Deal
Sun, Jan 25 - Wed, Feb 11
LATAM Airlines Logo
7:05 am - 5:45 amBOS-GRU
21h 40m2 stops
LATAM Airlines Logo
10:15 am - 11:33 pmGRU-BOS
14h 18m1 stop
$529LATAM Airlines
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Mon, Mar 16 - Mon, Mar 30
Delta Logo
10:03 am - 6:55 amBOS-GRU
18h 52m1 stop
Delta Logo
9:00 pm - 3:09 pmGRU-BOS
19h 09m1 stop
$530Delta
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Wed, Feb 25 - Mon, Mar 9
Avianca Logo
7:55 am - 4:15 pmBOS-GRU
30h 20m1 stop
Avianca Logo
2:40 am - 6:35 amGRU-BOS
29h 55m1 stop
$539Avianca
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Thu, Feb 19 - Thu, Mar 5
Delta Logo
10:05 am - 5:50 amBOS-SCL
17h 45m2 stops
Delta Logo
11:25 pm - 2:55 pmSCL-BOS
17h 30m1 stop
$544Delta
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Wed, Jan 21 - Mon, Feb 23

Spirit Airlines flights from Boston to South America

Our best Spirit Airlines deals on Boston to South America flight tickets
Spirit Airlines
Jan 22
BOS6:06 pmBoston Logan Intl
18h 44m
2 stops
BOG12:50 pmBogotá El Dorado
Jan 25
BOG1:45 pmBogotá El Dorado
27h 23m
2 stops
BOS5:08 pmBoston Logan Intl
$342
Find similar
Spirit Airlines
Jan 30
BOS3:43 pmBoston Logan Intl
21h 07m
1 stop
BOG12:50 pmBogotá El Dorado
Feb 24
BOG1:47 pmBogotá El Dorado
24h 51m
1 stop
BOS2:38 pmBoston Logan Intl
$344
Find similar
Spirit Airlines
Jan 22
BOS5:28 amBoston Logan Intl
8h 39m
1 stop
BOG2:07 pmBogotá El Dorado
Jan 25
BOG1:45 pmBogotá El Dorado
27h 23m
2 stops
BOS5:08 pmBoston Logan Intl
$347
Find similar

LATAM Airlines flights from Boston to South America

Our best LATAM Airlines deals on Boston to South America flight tickets
LATAM Airlines
Mar 7
BOS7:10 amBoston Logan Intl
9h 35m
1 stop
BOG4:45 pmBogotá El Dorado
Mar 15
BOG3:55 pmBogotá El Dorado
18h 33m
1 stop
BOS11:28 amBoston Logan Intl
$387
Find similar
LATAM Airlines
Jan 29
BOS9:00 amBoston Logan Intl
11h 20m
2 stops
BOG8:20 pmBogotá El Dorado
Feb 24
BOG1:35 amBogotá El Dorado
23h 34m
2 stops
BOS1:09 amBoston Logan Intl
$402
Find similar
LATAM Airlines
Mar 9
BOS9:55 amBoston Logan Intl
10h 00m
GRU8:55 pmSao Paulo Guarulhos Intl
Mar 15
GRU8:15 pmSao Paulo Guarulhos Intl
15h 55m
2 stops
BOS11:10 amBoston Logan Intl
$549
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 November 26, 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

Thu 1/22

6:06 pm-12:50 pm

2 stops18h 44m

Bogotá El Dorado

Sun 1/25

1:45 pm-5:08 pm

2 stops27h 23m

$342

BostonBogotá

BOS - BOG

BOSBOG

Boston Logan Intl

Fri 1/30

3:43 pm-12:50 pm

1 stop21h 07m

Bogotá El Dorado

Tue 2/24

1:47 pm-2:38 pm

1 stop24h 51m

$344

BostonBogotá

BOS - BOG

BOSBOG

Boston Logan Intl

Thu 1/8

3:07 pm-9:25 am

1 stop18h 18m

Bogotá El Dorado

Fri 1/23

12:08 pm-10:03 pm

1 stop9h 55m

$346

BostonMedellín

BOS - MDE

BOSMDE

Boston Logan Intl

Mon 1/12

3:07 pm-8:18 am

1 stop17h 11m

Medellín Jose Maria Cordova Intl

Tue 1/27

6:10 am-10:03 pm

1 stop15h 53m

$386

BostonSao Paulo

BOS - GRU

BOSGRU

Boston Logan Intl

Mon 2/23

3:25 pm-10:40 pm

2 stops29h 15m

Sao Paulo Guarulhos Intl

Tue 3/10

1:20 am-7:35 am

1 stop31h 15m

$527

BostonSao Paulo

BOS - GRU

BOSGRU

Boston Logan Intl

Sun 1/25

6:55 am-5:40 am

1 stop20h 45m

Sao Paulo Guarulhos Intl

Wed 2/11

10:40 pm-6:35 am

Nonstop9h 55m

$528

BostonSao Paulo

BOS - GRU

BOSGRU

Boston Logan Intl

Mon 3/16

7:05 am-5:45 am

2 stops21h 40m

Sao Paulo Guarulhos Intl

Mon 3/30

10:15 am-11:33 pm

1 stop14h 18m

$529

BostonSao Paulo

BOS - GRU

BOSGRU

Boston Logan Intl

Wed 2/25

10:03 am-6:55 am

1 stop18h 52m

Sao Paulo Guarulhos Intl

Mon 3/9

9:00 pm-3:09 pm

1 stop19h 09m

$530

BostonSao Paulo

BOS - GRU

BOSGRU

Boston Logan Intl

Thu 2/19

7:55 am-4:15 pm

1 stop30h 20m

Sao Paulo Guarulhos Intl

Thu 3/5

2:40 am-6:35 am

1 stop29h 55m

$539

BostonSantiago

BOS - SCL

BOSSCL

Boston Logan Intl

Wed 1/21

10:05 am-5:50 am

2 stops17h 45m

Santiago Arturo Merino Benitez

Mon 2/23

11:25 pm-2:55 pm

1 stop17h 30m

$544

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 33% 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

$217

Fastest flight time

7h 25m

Direct flights

Mon, Tue, Wed, 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 $217. The best round-trip flight deal from Boston to South America found on momondo in the last 72 hours is $470.
The fastest flight from Boston to South America takes 7h 25m
Direct flights go from Boston to South America on Monday, Tuesday, Wednesday, Friday, Saturday and Sunday. The only airline offering direct flights is Delta.
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
DeltaPriceFrom $117Free CancellationRating
7.9
7,998 reviews
Search Delta flights
Air CanadaPriceFrom $234Free CancellationRating
7.1
10,476 reviews
Search Air Canada flights
Spirit AirlinesPriceFrom $249Free CancellationRating
6.3
8,158 reviews
Search Spirit Airlines flights
Copa AirlinesPriceFrom $299Free CancellationRating
7.6
1,569 reviews
Search Copa Airlines flights
LATAM AirlinesPriceFrom $308Free CancellationRating
7.5
1,886 reviews
Search LATAM Airlines flights
AviancaPriceFrom $313Free CancellationRating
6.6
2,477 reviews
Search Avianca flights
United AirlinesPriceFrom $319Free CancellationRating
7.4
9,046 reviews
Search United Airlines flights
American AirlinesPriceFrom $339Free CancellationRating
7.2
11,038 reviews
Search American Airlines flights
GOLPriceFrom $339Free CancellationRating
7.3
1,128 reviews
Search GOL flights
JetBluePriceFrom $387Free CancellationRating
7.2
2,905 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

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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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