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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 1/17. 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 - 2:07 pm
BOS
-
BOG
8h 33m1 stop
Spirit Airlines Logo
3:06 pm - 11:57 pm
BOG
-
BOS
8h 51m1 stop
$345Spirit Airlines
Mon, Jan 19 - Wed, Jan 28
Spirit Airlines Logo
5:34 am - 2:07 pm
BOS
-
BOG
8h 33m1 stop
Spirit Airlines Logo
3:06 pm - 11:57 pm
BOG
-
BOS
8h 51m1 stop
$346Spirit Airlines
Fri, Jan 30 - Sat, Jan 31
Spirit Airlines Logo
5:34 am - 2:07 pm
BOS
-
BOG
8h 33m1 stop
Spirit Airlines Logo
3:06 pm - 11:57 pm
BOG
-
BOS
8h 51m1 stop
$347Spirit Airlines
Sun, Feb 1 - Sun, Feb 8
LATAM Airlines Logo
3:30 pm - 8:00 pm
BOS
-
GRU
26h 30m1 stop
LATAM Airlines Logo
9:15 pm - 2:20 pm
GRU
-
BOS
19h 05m1 stop
$525LATAM Airlines
Sat, Jan 17 - Mon, Jan 26
LATAM Airlines Logo
3:30 pm - 8:00 pm
BOS
-
GRU
26h 30m1 stop
LATAM Airlines Logo
10:15 am - 11:59 pm
GRU
-
BOS
15h 44m1 stop
$526LATAM Airlines
Sun, Jan 18 - Sun, Feb 1
Delta Logo
5:00 pm - 9:55 am
BOS
-
GRU
14h 55m1 stop
Delta Logo
10:15 am - 11:33 pm
GRU
-
BOS
14h 18m1 stop
$530Delta
Sun, Mar 1 - Fri, Mar 13
Delta Logo
1:30 pm - 8:50 am
BOS
-
GRU
17h 20m2 stops
Delta Logo
10:15 am - 1:09 am
GRU
-
BOS
16h 54m2 stops
$535Delta
Wed, Feb 11 - Sat, Feb 28
Copa Airlines Logo
7:34 am - 12:10 am
BOS
-
GRU
14h 36m1 stop
Copa Airlines Logo
5:25 am - 11:08 pm
GRU
-
BOS
18h 43m1 stop
$538Copa Airlines
Wed, Dec 10 - Wed, May 6
Copa Airlines Logo
8:43 am - 11:26 pm
BOS
-
SCL
14h 43m1 stop
Copa Airlines Logo
4:20 am - 11:09 pm
SCL
-
BOS
18h 49m1 stop
$544Copa Airlines
Mon, Apr 20 - Mon, Apr 27
American Airlines Logo
3:47 pm - 10:30 am
BOS
-
CNF
16h 43m2 stops
American Airlines Logo
7:10 pm - 3:16 pm
CNF
-
BOS
21h 06m2 stops
$623American Airlines
Thu, Feb 26 - Thu, Mar 12

Copa Airlines flights from Boston to South America

Our best Copa Airlines deals on Boston to South America flight tickets
Copa Airlines
Mar 19
BOS4:05 pmBoston Logan Intl
19h 05m
1 stop
BOG10:10 amBogotá El Dorado
Mar 24
BOG12:08 pmBogotá El Dorado
10h 02m
1 stop
BOS11:10 pmBoston Logan Intl
$346
Find similar
Copa Airlines
Apr 25
BOS8:43 amBoston Logan Intl
16h 23m
1 stop
BOG12:06 amBogotá El Dorado
May 2
BOG6:17 pmBogotá El Dorado
19h 27m
1 stop
BOS2:44 pmBoston Logan Intl
$372
Find similar
Copa Airlines
Feb 22
BOS7:31 amBoston Logan Intl
15h 24m
1 stop
BOG10:55 pmBogotá El Dorado
Mar 2
BOG10:40 amBogotá El Dorado
11h 30m
1 stop
BOS10:10 pmBoston Logan Intl
$376
Find similar

Avianca flights from Boston to South America

Our best Avianca deals on Boston to South America flight tickets
Avianca
Feb 21
BOS7:55 amBoston Logan Intl
6h 30m
BOG2:25 pmBogotá El Dorado
Feb 27
BOG12:10 amBogotá El Dorado
6h 25m
BOS6:35 amBoston Logan Intl
$365
Find similar
Avianca
Mar 7
BOS7:55 amBoston Logan Intl
6h 30m
BOG2:25 pmBogotá El Dorado
Mar 13
BOG4:00 amBogotá El Dorado
9h 50m
1 stop
BOS2:50 pmBoston Logan Intl
$367
Find similar
Avianca
Dec 9
BOS7:55 amBoston Logan Intl
6h 30m
BOG2:25 pmBogotá El Dorado
Dec 12
BOG12:10 amBogotá El Dorado
6h 25m
BOS6:35 amBoston Logan Intl
$379
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 December 4, 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

Mon 1/19

5:34 am-2:07 pm

1 stop8h 33m

Bogotá El Dorado

Wed 1/28

3:06 pm-11:57 pm

1 stop8h 51m

$345

BostonBogotá

BOS - BOG

BOSBOG

Boston Logan Intl

Fri 1/30

5:34 am-2:07 pm

1 stop8h 33m

Bogotá El Dorado

Sat 1/31

3:06 pm-11:57 pm

1 stop8h 51m

$346

BostonBogotá

BOS - BOG

BOSBOG

Boston Logan Intl

Sun 2/1

5:34 am-2:07 pm

1 stop8h 33m

Bogotá El Dorado

Sun 2/8

3:06 pm-11:57 pm

1 stop8h 51m

$347

BostonSao Paulo

BOS - GRU

BOSGRU

Boston Logan Intl

Sat 1/17

3:30 pm-8:00 pm

1 stop26h 30m

Sao Paulo Guarulhos Intl

Mon 1/26

9:15 pm-2:20 pm

1 stop19h 05m

$525

BostonSao Paulo

BOS - GRU

BOSGRU

Boston Logan Intl

Sun 1/18

3:30 pm-8:00 pm

1 stop26h 30m

Sao Paulo Guarulhos Intl

Sun 2/1

10:15 am-11:59 pm

1 stop15h 44m

$526

BostonSao Paulo

BOS - GRU

BOSGRU

Boston Logan Intl

Sun 3/1

5:00 pm-9:55 am

1 stop14h 55m

Sao Paulo Guarulhos Intl

Fri 3/13

10:15 am-11:33 pm

1 stop14h 18m

$530

BostonSao Paulo

BOS - GRU

BOSGRU

Boston Logan Intl

Wed 2/11

1:30 pm-8:50 am

2 stops17h 20m

Sao Paulo Guarulhos Intl

Sat 2/28

10:15 am-1:09 am

2 stops16h 54m

$535

BostonSao Paulo

BOS - GRU

BOSGRU

Boston Logan Intl

Wed 12/10

7:34 am-12:10 am

1 stop14h 36m

Sao Paulo Guarulhos Intl

Wed 5/6

5:25 am-11:08 pm

1 stop18h 43m

$538

BostonSantiago

BOS - SCL

BOSSCL

Boston Logan Intl

Mon 4/20

8:43 am-11:26 pm

1 stop14h 43m

Santiago Arturo Merino Benitez

Mon 4/27

4:20 am-11:09 pm

1 stop18h 49m

$544

BostonBelo Horizonte

BOS - CNF

BOSCNF

Boston Logan Intl

Thu 2/26

3:47 pm-10:30 am

2 stops16h 43m

Belo Horizonte Tancredo Neves Intl

Thu 3/12

7:10 pm-3:16 pm

2 stops21h 06m

$623

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

$253

Fastest flight time

7h 11m

Direct flights

Wed, Fri and Sun

Airports in South America

1 airport
The best one-way flight to South America from Boston in the past 72 hours is $253. The best round-trip flight deal from Boston to South America found on momondo in the last 72 hours is $459.
The fastest flight from Boston to South America takes 7h 11m
Direct flights go from Boston to South America on Wednesday, Friday and Sunday. The only airline offering direct flights is Delta.
There is 1 airport near South America: Bogotá El Dorado (BOG)
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
8,011 reviews
Search Delta flights
Air CanadaPriceFrom $234Free CancellationRating
7.1
10,500 reviews
Search Air Canada flights
Spirit AirlinesPriceFrom $248Free CancellationRating
6.3
8,157 reviews
Search Spirit Airlines flights
Copa AirlinesPriceFrom $299Free CancellationRating
7.6
1,554 reviews
Search Copa Airlines flights
LATAM AirlinesPriceFrom $308Free CancellationRating
7.5
1,890 reviews
Search LATAM Airlines flights
AviancaPriceFrom $314Free CancellationRating
6.6
2,479 reviews
Search Avianca flights
United AirlinesPriceFrom $319Free CancellationRating
7.4
9,066 reviews
Search United Airlines flights
American AirlinesPriceFrom $339Free CancellationRating
7.2
11,047 reviews
Search American Airlines flights
GOLPriceFrom $339Free CancellationRating
7.3
1,128 reviews
Search GOL flights
JetBluePriceFrom $362Free CancellationRating
7.2
2,899 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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