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Cheap flights from Boston to South America from $153

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 2/20. 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

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Spirit Airlines Logo
1:36 pm - 2:10 pmBOS-BOG
24h 34m2 stops
Spirit Airlines Logo
3:17 pm - 11:53 pmBOG-BOS
8h 36m1 stop
$329Spirit Airlines
Find Deal
Sat, Nov 15 - Sat, Nov 22
Spirit Airlines Logo
5:50 am - 12:55 amBOS-BOG
19h 05m1 stop
Spirit Airlines Logo
3:05 pm - 11:57 pmBOG-BOS
8h 52m1 stop
$332Spirit Airlines
Find Deal
Thu, Dec 4 - Fri, Dec 5
Copa Airlines Logo
7:34 am - 8:16 pmBOS-MDE
12h 42m1 stop
Copa Airlines Logo
8:37 am - 10:03 pmMDE-BOS
13h 26m1 stop
$363Copa Airlines
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Wed, Nov 12 - Mon, Nov 17
American Airlines Logo
11:00 am - 7:55 pmBOS-MDE
9h 55m1 stop
American Airlines Logo
12:20 am - 10:02 amMDE-BOS
8h 42m1 stop
$383American Airlines
Find Deal
Sun, Mar 22 - Sun, Mar 29
American Airlines Logo
7:58 am - 7:55 pmBOS-MDE
12h 57m2 stops
American Airlines Logo
12:20 am - 10:02 amMDE-BOS
8h 42m1 stop
$388American Airlines
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Sun, Mar 22 - Sun, Mar 29
Copa Airlines Logo
7:34 am - 10:48 pmBOS-MDE
15h 14m1 stop
Copa Airlines Logo
9:17 am - 10:03 pmMDE-BOS
12h 46m1 stop
$391Copa Airlines
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Sat, Nov 8 - Sat, Nov 15
LATAM Airlines Logo
8:55 am - 8:55 pmBOS-GRU
10h 00mnonstop
LATAM Airlines Logo
10:55 pm - 10:15 amGRU-BOS
13h 20m1 stop
$504LATAM Airlines
Find Deal
Mon, Dec 1 - Fri, Dec 5
LATAM Airlines Logo
8:55 am - 8:55 pmBOS-GRU
10h 00mnonstop
LATAM Airlines Logo
10:50 pm - 10:19 amGRU-BOS
13h 29m1 stop
$507LATAM Airlines
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Wed, Nov 5 - Sat, Nov 15
Delta Logo
8:55 am - 8:55 pmBOS-GRU
10h 00mnonstop
Delta Logo
10:40 pm - 6:35 amGRU-BOS
9h 55mnonstop
$516Delta
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Fri, Nov 14 - Sun, Nov 23
Delta Logo
7:00 am - 5:40 amBOS-GRU
20h 40m1 stop
Delta Logo
10:40 pm - 6:35 amGRU-BOS
9h 55mnonstop
$520Delta
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Fri, Nov 28 - Wed, Dec 3

Spirit Airlines flights from Boston to South America

Our best Spirit Airlines deals on Boston to South America flight tickets
Spirit Airlines
Nov 15
BOS1:36 pmBoston Logan Intl
24h 34m
2 stops
BOG2:10 pmBogotá El Dorado
Nov 22
BOG3:17 pmBogotá El Dorado
8h 36m
1 stop
BOS11:53 pmBoston Logan Intl
$329
Find similar
Spirit Airlines
Dec 4
BOS5:50 amBoston Logan Intl
19h 05m
1 stop
BOG12:55 amBogotá El Dorado
Dec 5
BOG3:05 pmBogotá El Dorado
8h 52m
1 stop
BOS11:57 pmBoston Logan Intl
$332
Find similar
Spirit Airlines
Nov 15
BOS6:16 amBoston Logan Intl
31h 54m
1 stop
BOG2:10 pmBogotá El Dorado
Nov 20
BOG3:17 pmBogotá El Dorado
8h 36m
1 stop
BOS11:53 pmBoston Logan Intl
$333
Find similar

Avianca flights from Boston to South America

Our best Avianca deals on Boston to South America flight tickets
Avianca
Nov 2
BOS3:25 pmBoston Logan Intl
14h 55m
2 stops
MDE6:20 amMedellín Jose Maria Cordova Intl
Nov 12
MDE9:00 pmMedellín Jose Maria Cordova Intl
9h 35m
1 stop
BOS6:35 amBoston Logan Intl
$377
Find similar
Avianca
Nov 4
BOS7:55 amBoston Logan Intl
6h 30m
BOG2:25 pmBogotá El Dorado
Nov 17
BOG12:10 amBogotá El Dorado
6h 25m
BOS6:35 amBoston Logan Intl
$392
Find similar
Avianca
Oct 30
BOS8:55 amBoston Logan Intl
8h 55m
1 stop
MDE4:50 pmMedellín Jose Maria Cordova Intl
Nov 4
MDE9:45 pmMedellín Jose Maria Cordova Intl
16h 05m
2 stops
BOS1:50 pmBoston Logan Intl
$418
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 October 22, 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

Sat 11/15

1:36 pm-2:10 pm

2 stops24h 34m

Bogotá El Dorado

Sat 11/22

3:17 pm-11:53 pm

1 stop8h 36m

$329

BostonBogotá

BOS - BOG

BOSBOG

Boston Logan Intl

Thu 12/4

5:50 am-12:55 am

1 stop19h 05m

Bogotá El Dorado

Fri 12/5

3:05 pm-11:57 pm

1 stop8h 52m

$332

BostonMedellín

BOS - MDE

BOSMDE

Boston Logan Intl

Wed 11/12

7:34 am-8:16 pm

1 stop12h 42m

Medellín Jose Maria Cordova Intl

Mon 11/17

8:37 am-10:03 pm

1 stop13h 26m

$363

BostonMedellín

BOS - MDE

BOSMDE

Boston Logan Intl

Sun 3/22

11:00 am-7:55 pm

1 stop9h 55m

Medellín Jose Maria Cordova Intl

Sun 3/29

12:20 am-10:02 am

1 stop8h 42m

$383

BostonMedellín

BOS - MDE

BOSMDE

Boston Logan Intl

Sun 3/22

7:58 am-7:55 pm

2 stops12h 57m

Medellín Jose Maria Cordova Intl

Sun 3/29

12:20 am-10:02 am

1 stop8h 42m

$388

BostonMedellín

BOS - MDE

BOSMDE

Boston Logan Intl

Sat 11/8

7:34 am-10:48 pm

1 stop15h 14m

Medellín Jose Maria Cordova Intl

Sat 11/15

9:17 am-10:03 pm

1 stop12h 46m

$391

BostonSao Paulo

BOS - GRU

BOSGRU

Boston Logan Intl

Mon 12/1

8:55 am-8:55 pm

Nonstop10h 00m

Sao Paulo Guarulhos Intl

Fri 12/5

10:55 pm-10:15 am

1 stop13h 20m

$504

BostonSao Paulo

BOS - GRU

BOSGRU

Boston Logan Intl

Wed 11/5

8:55 am-8:55 pm

Nonstop10h 00m

Sao Paulo Guarulhos Intl

Sat 11/15

10:50 pm-10:19 am

1 stop13h 29m

$507

BostonSao Paulo

BOS - GRU

BOSGRU

Boston Logan Intl

Fri 11/14

8:55 am-8:55 pm

Nonstop10h 00m

Sao Paulo Guarulhos Intl

Sun 11/23

10:40 pm-6:35 am

Nonstop9h 55m

$516

BostonSao Paulo

BOS - GRU

BOSGRU

Boston Logan Intl

Fri 11/28

7:00 am-5:40 am

1 stop20h 40m

Sao Paulo Guarulhos Intl

Wed 12/3

10:40 pm-6:35 am

Nonstop9h 55m

$520

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 November instead. Flights to South America in November, while not as cheap as those in September, still average around $544.

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 $629 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 $577 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

$231

Fastest flight time

6h 10m

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 $231. The best round-trip flight deal from Boston to South America found on momondo in the last 72 hours is $417.
The fastest flight from Boston to South America takes 6h 10m
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
8,988 reviews
Search United Airlines flights
Spirit AirlinesPriceFrom $248Free CancellationRating
6.3
8,098 reviews
Search Spirit Airlines flights
DeltaPriceFrom $302Free CancellationRating
7.9
7,977 reviews
Search Delta flights
AviancaPriceFrom $302Free CancellationRating
6.6
2,456 reviews
Search Avianca flights
Copa AirlinesPriceFrom $305Free CancellationRating
7.6
1,558 reviews
Search Copa Airlines flights
LATAM AirlinesPriceFrom $308Free CancellationRating
7.5
1,870 reviews
Search LATAM Airlines flights
GOLPriceFrom $340Free CancellationRating
7.3
1,117 reviews
Search GOL flights
American AirlinesPriceFrom $341Free CancellationRating
7.2
11,028 reviews
Search American Airlines flights
JetBluePriceFrom $398Free CancellationRating
7.2
2,908 reviews
Search JetBlue flights
Air CanadaPriceFrom $590Free CancellationRating
7.1
10,340 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

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