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Cheap flights from Boston to South America from $92

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 2/3. 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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Cheap round-trip flights

Enter your travel dates to find the best prices.
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
$290Spirit Airlines
Mon, Feb 2 - Wed, Feb 18
JetBlue Logo
6:30 am - 1:45 pm
BOS
-
MDE
8h 15m
1 stop
JetBlue Logo
1:25 pm - 12:17 am
MDE
-
BOS
9h 52m
1 stop
$291JetBlue
Mon, Mar 23 - Fri, Apr 3
Copa Airlines Logo
7:44 am - 8:35 pm
BOS
-
MDE
12h 51m
1 stop
Copa Airlines Logo
5:00 am - 2:42 pm
MDE
-
BOS
8h 42m
1 stop
$292Copa Airlines
Wed, Mar 4 - Mon, Mar 16
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
$295Spirit Airlines
Mon, Jan 26 - Wed, Feb 25
Avianca Logo
11:42 am - 10:05 pm
BOS
-
MDE
10h 23m
1 stop
Avianca Logo
10:45 am - 11:20 pm
MDE
-
BOS
12h 35m
1 stop
$299Avianca
Wed, Jan 28 - Tue, Feb 10
Copa Airlines Logo
8:44 am - 8:35 pm
BOS
-
MDE
12h 51m
1 stop
Copa Airlines Logo
5:00 am - 2:42 pm
MDE
-
BOS
8h 42m
1 stop
$302Copa Airlines
Thu, Mar 12 - Mon, Mar 23
Avianca Logo
8:55 am - 5:55 pm
BOS
-
UIO
10h 00m
1 stop
Avianca Logo
7:05 pm - 7:35 am
UIO
-
BOS
11h 30m
1 stop
$305Avianca
Thu, Mar 12 - Wed, Mar 18
American Airlines Logo
9:33 pm - 9:10 am
BOS
-
VCP
34h 37m
2 stops
American Airlines Logo
7:40 pm - 11:44 am
VCP
-
BOS
17h 04m
2 stops
$533American Airlines
Wed, Mar 11 - Mon, Mar 16
American Airlines Logo
9:34 pm - 2:15 pm
BOS
-
CGH
15h 41m
2 stops
American Airlines Logo
6:55 pm - 11:44 am
CGH
-
BOS
17h 49m
2 stops
$539American Airlines
Mon, Mar 23 - Mon, Mar 30
LATAM Airlines Logo
6:50 pm - 7:20 am
BOS
-
EZE
35h 30m
1 stop
LATAM Airlines Logo
9:55 pm - 7:35 am
EZE
-
BOS
34h 40m
1 stop
$756LATAM Airlines
Thu, Mar 12 - Sat, Mar 14

Copa Airlines flights from Boston to South America

Our best Copa Airlines deals on Boston to South America flight tickets
Copa Airlines
Mar 4
BOS7:44 amBoston Logan Intl
15h 04m
1 stop
MDE10:48 pmMedellín Jose Maria Cordova Intl
Mar 8
MDE10:46 amMedellín Jose Maria Cordova Intl
11h 24m
1 stop
BOS11:10 pmBoston Logan Intl
$292
Copa Airlines
Mar 12
BOS8:44 amBoston Logan Intl
12h 51m
1 stop
MDE8:35 pmMedellín Jose Maria Cordova Intl
Mar 23
MDE5:00 amMedellín Jose Maria Cordova Intl
8h 42m
1 stop
BOS2:42 pmBoston Logan Intl
$302
Copa Airlines
Jan 29
BOS3:07 pmBoston Logan Intl
9h 24m
1 stop
UIO12:31 amQuito Mariscal Sucr
Feb 3
UIO3:09 amQuito Mariscal Sucr
18h 54m
1 stop
BOS10:03 pmBoston Logan Intl
$306

Air Canada flights from Boston to South America

Our best Air Canada deals on Boston to South America flight tickets
Air Canada
Jan 28
BOS6:15 amBoston Logan Intl
20h 00m
2 stops
LIM2:15 amLima J Chavez Intl
Feb 8
LIM8:05 amLima J Chavez Intl
25h 27m
2 stops
BOS9:32 amBoston Logan Intl
$524
Air Canada
Mar 7
BOS7:55 pmBoston Logan Intl
18h 20m
2 stops
CGH4:15 pmSao Paulo Congonhas
Mar 13
CGH5:05 pmSao Paulo Congonhas
20h 07m
2 stops
BOS12:12 pmBoston Logan Intl
$632

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 15, 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

Mon 2/2

5:34 am-2:15 pm

1 stop8h 41m

Medellín Jose Maria Cordova Intl

Wed 2/18

3:15 pm-11:44 pm

1 stop8h 29m

$290

BostonMedellín

BOS - MDE

BOSMDE

Boston Logan Intl

Mon 3/23

6:30 am-1:45 pm

1 stop8h 15m

Medellín Jose Maria Cordova Intl

Fri 4/3

1:25 pm-12:17 am

1 stop9h 52m

$291

BostonMedellín

BOS - MDE

BOSMDE

Boston Logan Intl

Wed 3/4

7:44 am-8:35 pm

1 stop12h 51m

Medellín Jose Maria Cordova Intl

Mon 3/16

5:00 am-2:42 pm

1 stop8h 42m

$292

BostonMedellín

BOS - MDE

BOSMDE

Boston Logan Intl

Mon 1/26

5:34 am-2:15 pm

1 stop8h 41m

Medellín Jose Maria Cordova Intl

Wed 2/25

3:15 pm-11:44 pm

1 stop8h 29m

$295

BostonMedellín

BOS - MDE

BOSMDE

Boston Logan Intl

Wed 1/28

11:42 am-10:05 pm

1 stop10h 23m

Medellín Jose Maria Cordova Intl

Tue 2/10

10:45 am-11:20 pm

1 stop12h 35m

$299

BostonMedellín

BOS - MDE

BOSMDE

Boston Logan Intl

Thu 3/12

8:44 am-8:35 pm

1 stop12h 51m

Medellín Jose Maria Cordova Intl

Mon 3/23

5:00 am-2:42 pm

1 stop8h 42m

$302

BostonQuito

BOS - UIO

BOSUIO

Boston Logan Intl

Thu 3/12

8:55 am-5:55 pm

1 stop10h 00m

Quito Mariscal Sucr

Wed 3/18

7:05 pm-7:35 am

1 stop11h 30m

$305

BostonSao Paulo

BOS - VCP

BOSVCP

Boston Logan Intl

Wed 3/11

9:33 pm-9:10 am

2 stops34h 37m

Sao Paulo Viracopos

Mon 3/16

7:40 pm-11:44 am

2 stops17h 04m

$533

BostonSao Paulo

BOS - CGH

BOSCGH

Boston Logan Intl

Mon 3/23

9:34 pm-2:15 pm

2 stops15h 41m

Sao Paulo Congonhas

Mon 3/30

6:55 pm-11:44 am

2 stops17h 49m

$539

BostonBuenos Aires

BOS - EZE

BOSEZE

Boston Logan Intl

Thu 3/12

6:50 pm-7:20 am

1 stop35h 30m

Buenos Aires Ministro Pistarini

Sat 3/14

9:55 pm-7:35 am

1 stop34h 40m

$756

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 $514 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 37% 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 10m

Direct flights

Mon, Tue, Thu, Fri, Sat and Sun

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 $403.
The fastest flight from Boston to South America takes 6h 10m
Direct flights go from Boston to South America on Monday, Tuesday, Thursday, Friday, Saturday and Sunday. The only airline offering direct flights is Delta.
There are 463 airports in South America. From Boston there are direct flights to 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
8,051 reviews
Search Delta flights
AviancaPriceFrom $162Free CancellationRating
6.6
2,492 reviews
Search Avianca flights
GOLPriceFrom $166Free CancellationRating
7.3
1,151 reviews
Search GOL flights
Copa AirlinesPriceFrom $206Free CancellationRating
7.6
1,559 reviews
Search Copa Airlines flights
Air CanadaPriceFrom $234Free CancellationRating
7.1
10,624 reviews
Search Air Canada flights
Spirit AirlinesPriceFrom $250Free CancellationRating
6.3
8,322 reviews
Search Spirit Airlines flights
LATAM AirlinesPriceFrom $262Free CancellationRating
7.5
1,906 reviews
Search LATAM Airlines flights
JetBluePriceFrom $311Free CancellationRating
7.2
2,887 reviews
Search JetBlue flights
United AirlinesPriceFrom $314Free CancellationRating
7.4
9,164 reviews
Search United Airlines flights
American AirlinesPriceFrom $327Free CancellationRating
7.2
11,136 reviews
Search American Airlines 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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Flights to Califrom $200