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Cheap flights from Boston to South America from $121

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 3/4. 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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Cheap round-trip flights

Enter your travel dates to find the best prices.
Spirit Airlines Logo
5:27 am - 2:13 pm
BOS
-
MDE
8h 46m
1 stop
Spirit Airlines Logo
3:15 pm - 11:44 pm
MDE
-
BOS
8h 29m
1 stop
$280Spirit Airlines
Sun, Feb 22 - Thu, Feb 26
Spirit Airlines Logo
5:34 am - 2:15 pm
BOS
-
MDE
8h 41m
1 stop
Spirit Airlines Logo
3:15 pm - 11:44 pm
MDE
-
BOS
8h 29m
1 stop
$282Spirit Airlines
Tue, Feb 3 - Tue, Feb 17
Spirit Airlines Logo
5:23 pm - 2:15 pm
BOS
-
MDE
20h 52m
1 stop
Spirit Airlines Logo
3:15 pm - 11:37 am
MDE
-
BOS
20h 22m
2 stops
$286Spirit Airlines
Sat, Feb 7 - Fri, Feb 13
Copa Airlines Logo
8:44 am - 12:05 am
BOS
-
BOG
16h 21m
1 stop
Copa Airlines Logo
4:45 am - 2:42 pm
BOG
-
BOS
8h 57m
1 stop
$348Copa Airlines
Mon, Mar 16 - Tue, Mar 24
LATAM Airlines Logo
6:00 pm - 2:25 pm
BOS
-
BOG
20h 25m
1 stop
LATAM Airlines Logo
3:55 pm - 1:09 am
BOG
-
BOS
9h 14m
1 stop
$355LATAM Airlines
Sat, Feb 28 - Sat, Mar 7
Delta Logo
9:55 am - 8:40 pm
BOS
-
GRU
9h 45mnonstop
Delta Logo
10:45 pm - 7:35 am
GRU
-
BOS
9h 50mnonstop
$458Delta
Sat, May 9 - Thu, May 21
Copa Airlines Logo
7:31 am - 12:10 am
BOS
-
GRU
14h 39m
1 stop
Copa Airlines Logo
3:10 am - 11:10 pm
GRU
-
BOS
21h 00m
1 stop
$460Copa Airlines
Fri, Feb 27 - Thu, Mar 12
American Airlines Logo
7:00 pm - 7:00 pm
BOS
-
VCP
22h 00m
2 stops
American Airlines Logo
7:40 pm - 11:44 am
VCP
-
BOS
17h 04m
2 stops
$514American Airlines
Wed, Mar 4 - Wed, Mar 11
LATAM Airlines Logo
8:55 am - 9:25 am
BOS
-
SDU
22h 30m
1 stop
LATAM Airlines Logo
4:55 pm - 6:35 am
SDU
-
BOS
15h 40m
1 stop
$609LATAM Airlines
Mon, Feb 2 - Sun, Feb 8
American Airlines Logo
3:49 pm - 4:50 pm
BOS
-
CNF
23h 01m
2 stops
American Airlines Logo
6:10 pm - 11:44 am
CNF
-
BOS
18h 34m
2 stops
$644American Airlines
Wed, Feb 25 - Thu, Mar 26

Copa Airlines flights from Boston to South America

Our best Copa Airlines deals on Boston to South America flight tickets
Copa Airlines
Apr 15
BOS3:51 pmBoston Logan Intl
18h 49m
1 stop
MDE9:40 amMedellín Jose Maria Cordova Intl
Apr 20
MDE9:15 amMedellín Jose Maria Cordova Intl
12h 54m
1 stop
BOS11:09 pmBoston Logan Intl
$334
Copa Airlines
Mar 16
BOS8:44 amBoston Logan Intl
16h 21m
1 stop
BOG12:05 amBogotá El Dorado
Mar 24
BOG4:45 amBogotá El Dorado
8h 57m
1 stop
BOS2:42 pmBoston Logan Intl
$348
Copa Airlines
Jan 26
BOS3:07 pmBoston Logan Intl
7h 41m
1 stop
MDE10:48 pmMedellín Jose Maria Cordova Intl
Feb 9
MDE8:37 amMedellín Jose Maria Cordova Intl
13h 26m
1 stop
BOS10:03 pmBoston Logan Intl
$364

LATAM Airlines flights from Boston to South America

Our best LATAM Airlines deals on Boston to South America flight tickets
LATAM Airlines
Jan 23
BOS6:55 amBoston Logan Intl
12h 35m
1 stop
BOG7:30 pmBogotá El Dorado
Jan 27
BOG8:35 amBogotá El Dorado
10h 13m
1 stop
BOS6:48 pmBoston Logan Intl
$353
LATAM Airlines
Feb 28
BOS6:00 pmBoston Logan Intl
20h 25m
1 stop
BOG2:25 pmBogotá El Dorado
Mar 7
BOG3:55 pmBogotá El Dorado
9h 14m
1 stop
BOS1:09 amBoston Logan Intl
$355
LATAM Airlines
Jan 27
BOS6:55 amBoston Logan Intl
12h 35m
1 stop
BOG7:30 pmBogotá El Dorado
Jan 31
BOG7:00 amBogotá El Dorado
13h 37m
1 stop
BOS8:37 pmBoston Logan Intl
$360

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 January 21, 2026.
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

Sun 2/22

5:27 am-2:13 pm

1 stop8h 46m

Medellín Jose Maria Cordova Intl

Thu 2/26

3:15 pm-11:44 pm

1 stop8h 29m

$280

BostonMedellín

BOS - MDE

BOSMDE

Boston Logan Intl

Tue 2/3

5:34 am-2:15 pm

1 stop8h 41m

Medellín Jose Maria Cordova Intl

Tue 2/17

3:15 pm-11:44 pm

1 stop8h 29m

$282

BostonMedellín

BOS - MDE

BOSMDE

Boston Logan Intl

Sat 2/7

5:23 pm-2:15 pm

1 stop20h 52m

Medellín Jose Maria Cordova Intl

Fri 2/13

3:15 pm-11:37 am

2 stops20h 22m

$286

BostonBogotá

BOS - BOG

BOSBOG

Boston Logan Intl

Mon 3/16

8:44 am-12:05 am

1 stop16h 21m

Bogotá El Dorado

Tue 3/24

4:45 am-2:42 pm

1 stop8h 57m

$348

BostonBogotá

BOS - BOG

BOSBOG

Boston Logan Intl

Sat 2/28

6:00 pm-2:25 pm

1 stop20h 25m

Bogotá El Dorado

Sat 3/7

3:55 pm-1:09 am

1 stop9h 14m

$355

BostonSao Paulo

BOS - GRU

BOSGRU

Boston Logan Intl

Sat 5/9

9:55 am-8:40 pm

Nonstop9h 45m

Sao Paulo Guarulhos Intl

Thu 5/21

10:45 pm-7:35 am

Nonstop9h 50m

$458

BostonSao Paulo

BOS - GRU

BOSGRU

Boston Logan Intl

Fri 2/27

7:31 am-12:10 am

1 stop14h 39m

Sao Paulo Guarulhos Intl

Thu 3/12

3:10 am-11:10 pm

1 stop21h 00m

$460

BostonSao Paulo

BOS - VCP

BOSVCP

Boston Logan Intl

Wed 3/4

7:00 pm-7:00 pm

2 stops22h 00m

Sao Paulo Viracopos

Wed 3/11

7:40 pm-11:44 am

2 stops17h 04m

$514

BostonRio de Janeiro

BOS - SDU

BOSSDU

Boston Logan Intl

Mon 2/2

8:55 am-9:25 am

1 stop22h 30m

Rio de Janeiro Santos Dumont

Sun 2/8

4:55 pm-6:35 am

1 stop15h 40m

$609

BostonBelo Horizonte

BOS - CNF

BOSCNF

Boston Logan Intl

Wed 2/25

3:49 pm-4:50 pm

2 stops23h 01m

Belo Horizonte Tancredo Neves Intl

Thu 3/26

6:10 pm-11:44 am

2 stops18h 34m

$644

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 $528. 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 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 $626 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 $521 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 43% 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

$243

Fastest flight time

6h 30m

Direct flights

Every day

Airports in South America

463 airports
The best one-way flight to South America from Boston in the past 72 hours is $243. The best round-trip flight deal from Boston to South America found on momondo in the last 72 hours is $401.
The fastest flight from Boston to South America takes 6h 30m
Direct flights go from Boston to South America every day.
There are 463 airports in South America. From Boston there are direct flights to Bogotá El Dorado (BOG), Sao Paulo Guarulhos Intl (GRU).
Search flight deals

  • 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
8,088 reviews
Search Delta flights
ArajetPriceFrom $137Free CancellationRating
6.5
42 reviews
Search Arajet flights
AviancaPriceFrom $162Free CancellationRating
6.6
2,496 reviews
Search Avianca flights
GOLPriceFrom $166Free CancellationRating
7.3
1,152 reviews
Search GOL flights
Copa AirlinesPriceFrom $206Free CancellationRating
7.6
1,557 reviews
Search Copa Airlines flights
Air CanadaPriceFrom $234Free CancellationRating
7.1
10,646 reviews
Search Air Canada flights
Spirit AirlinesPriceFrom $253Free CancellationRating
6.3
8,364 reviews
Search Spirit Airlines flights
LATAM AirlinesPriceFrom $262Free CancellationRating
7.5
1,913 reviews
Search LATAM Airlines flights
United AirlinesPriceFrom $266Free CancellationRating
7.4
9,191 reviews
Search United Airlines flights
JetBluePriceFrom $294Free CancellationRating
7.2
2,891 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

Popular cities in South America

Popular flights according to clicks in the last 7 days on momondo
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Flights to Guayaquilfrom $160
Flights to Califrom $171