Cheap flights from Boston to South America from $111

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 5/13. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Boston to South America

Cheap round-trip flights

Enter your travel dates to find the best prices.
Arajet Logo
12:15 pm - 7:02 pm
BOS
-
CTG
7h 47m
1 stop
Arajet Logo
11:00 am - 8:50 pm
CTG
-
BOS
8h 50m
1 stop
$319Arajet
Fri, Jun 12 - Sun, Jun 21
Copa Airlines Logo
8:52 am - 11:00 pm
BOS
-
CTG
15h 08m
1 stop
Copa Airlines Logo
9:45 am - 11:08 pm
CTG
-
BOS
12h 23m
1 stop
$335Copa Airlines
Mon, May 25 - Thu, May 28
LATAM Airlines Logo
5:35 am - 7:15 pm
BOS
-
BOG
14h 40m
1 stop
LATAM Airlines Logo
2:55 pm - 1:28 am
BOG
-
BOS
9h 33m
1 stop
$342LATAM Airlines
Mon, May 11 - Sun, May 24
LATAM Airlines Logo
5:35 am - 7:15 pm
BOS
-
BOG
14h 40m
1 stop
LATAM Airlines Logo
8:40 am - 11:31 pm
BOG
-
BOS
13h 51m
1 stop
$345LATAM Airlines
Thu, May 14 - Thu, May 21
American Airlines Logo
5:00 am - 12:35 pm
BOS
-
CTG
8h 35m
1 stop
American Airlines Logo
3:15 pm - 12:59 am
CTG
-
BOS
8h 44m
1 stop
$347American Airlines
Mon, May 25 - Thu, May 28
American Airlines Logo
5:45 pm - 12:35 pm
BOS
-
CTG
19h 50m
2 stops
American Airlines Logo
3:15 pm - 8:37 am
CTG
-
BOS
16h 22m
2 stops
$352American Airlines
Sat, May 23 - Thu, May 28
Delta Logo
9:10 am - 7:15 pm
BOS
-
BOG
11h 05m
1 stop
Delta Logo
11:00 am - 10:26 am
BOG
-
BOS
22h 26m
2 stops
$357Delta
Mon, May 11 - Fri, May 15
Delta Logo
10:16 am - 7:15 pm
BOS
-
BOG
9h 59m
1 stop
Delta Logo
2:55 pm - 9:46 am
BOG
-
BOS
17h 51m
1 stop
$365Delta
Fri, May 8 - Tue, May 12
Avianca Logo
8:45 am - 1:10 am
BOS
-
GRU
15h 25m
1 stop
Avianca Logo
1:20 am - 7:10 am
GRU
-
BOS
30h 50m
1 stop
$595Avianca
Thu, Sep 10 - Sun, Sep 27
Avianca Logo
8:45 am - 1:10 am
BOS
-
GRU
15h 25m
1 stop
Avianca Logo
5:15 pm - 7:10 am
GRU
-
BOS
14h 55m
1 stop
$609Avianca
Thu, Sep 24 - Wed, Sep 30

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Avianca flights from Boston to South America

Our best Avianca deals on Boston to South America flight tickets
Avianca
May 9
BOS8:45 amBoston Logan Intl
6h 10m
BOG1:55 pmBogotá El Dorado
May 18
BOG11:55 pmBogotá El Dorado
6h 15m
BOS7:10 amBoston Logan Intl
$391
Avianca
Sep 8
BOS8:45 amBoston Logan Intl
6h 10m
BOG1:55 pmBogotá El Dorado
Sep 13
BOG4:25 amBogotá El Dorado
9h 25m
1 stop
BOS2:50 pmBoston Logan Intl
$397
Avianca
Sep 29
BOS8:45 amBoston Logan Intl
6h 10m
BOG1:55 pmBogotá El Dorado
Oct 4
BOG4:25 amBogotá El Dorado
9h 25m
1 stop
BOS2:50 pmBoston Logan Intl
$402

LATAM Airlines flights from Boston to South America

Our best LATAM Airlines deals on Boston to South America flight tickets
LATAM Airlines
May 11
BOS5:35 amBoston Logan Intl
14h 40m
1 stop
BOG7:15 pmBogotá El Dorado
May 24
BOG2:55 pmBogotá El Dorado
9h 33m
1 stop
BOS1:28 amBoston Logan Intl
$342
LATAM Airlines
May 14
BOS5:35 amBoston Logan Intl
14h 40m
1 stop
BOG7:15 pmBogotá El Dorado
May 21
BOG8:40 amBogotá El Dorado
13h 51m
1 stop
BOS11:31 pmBoston Logan Intl
$345
LATAM Airlines
May 16
BOS5:35 amBoston Logan Intl
14h 40m
1 stop
BOG7:15 pmBogotá El Dorado
May 19
BOG11:00 amBogotá El Dorado
11h 31m
1 stop
BOS11:31 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 April 28, 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

Cheapest round-trip
Quickest round-trip

BostonCartagena

BOS - CTG

BOSCTG

Boston Logan Intl

Fri 6/12

12:15 pm-7:02 pm

1 stop7h 47m

Cartagena Rafael Nunez

Sun 6/21

11:00 am-8:50 pm

1 stop8h 50m

$319

BostonCartagena

BOS - CTG

BOSCTG

Boston Logan Intl

Mon 5/25

8:52 am-11:00 pm

1 stop15h 08m

Cartagena Rafael Nunez

Thu 5/28

9:45 am-11:08 pm

1 stop12h 23m

$335

BostonBogotá

BOS - BOG

BOSBOG

Boston Logan Intl

Mon 5/11

5:35 am-7:15 pm

1 stop14h 40m

Bogotá El Dorado

Sun 5/24

2:55 pm-1:28 am

1 stop9h 33m

$342

BostonBogotá

BOS - BOG

BOSBOG

Boston Logan Intl

Thu 5/14

5:35 am-7:15 pm

1 stop14h 40m

Bogotá El Dorado

Thu 5/21

8:40 am-11:31 pm

1 stop13h 51m

$345

BostonCartagena

BOS - CTG

BOSCTG

Boston Logan Intl

Mon 5/25

5:00 am-12:35 pm

1 stop8h 35m

Cartagena Rafael Nunez

Thu 5/28

3:15 pm-12:59 am

1 stop8h 44m

$347

BostonCartagena

BOS - CTG

BOSCTG

Boston Logan Intl

Sat 5/23

5:45 pm-12:35 pm

2 stops19h 50m

Cartagena Rafael Nunez

Thu 5/28

3:15 pm-8:37 am

2 stops16h 22m

$352

BostonBogotá

BOS - BOG

BOSBOG

Boston Logan Intl

Mon 5/11

9:10 am-7:15 pm

1 stop11h 05m

Bogotá El Dorado

Fri 5/15

11:00 am-10:26 am

2 stops22h 26m

$357

BostonBogotá

BOS - BOG

BOSBOG

Boston Logan Intl

Fri 5/8

10:16 am-7:15 pm

1 stop9h 59m

Bogotá El Dorado

Tue 5/12

2:55 pm-9:46 am

1 stop17h 51m

$365

BostonSao Paulo

BOS - GRU

BOSGRU

Boston Logan Intl

Thu 9/10

8:45 am-1:10 am

1 stop15h 25m

Sao Paulo Guarulhos Intl

Sun 9/27

1:20 am-7:10 am

1 stop30h 50m

$595

BostonSao Paulo

BOS - GRU

BOSGRU

Boston Logan Intl

Thu 9/24

8:45 am-1:10 am

1 stop15h 25m

Sao Paulo Guarulhos Intl

Wed 9/30

5:15 pm-7:10 am

1 stop14h 55m

$609

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, March 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 $582. If you aren’t able to travel during the month of March, then book flights to South America from Boston during November instead. Flights to South America in November, while not as cheap as those in March, still average around $627.

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 from Boston 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 $613 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 $505 on momondo.

Can stopping save me money on Boston to South America flights?

You could potentially save up to 30% 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

$199

Fastest flight time

6h 10m

Direct flights

Wed, Fri and Sun

Airports in South America

463 airports
The best one-way flight to South America from Boston in the past 72 hours is $199. The best round-trip flight deal from Boston to South America found on momondo in the last 72 hours is $354.
The fastest flight from Boston to South America takes 6h 10m
Direct flights go from Boston to South America on Wednesday, Friday and Sunday. There are no airlines offering direct flights.
There are 463 airports in South America. From Boston there are direct flights to Bogotá El Dorado (BOG), Sao Paulo Guarulhos Intl (GRU).

Frequently asked questions about flying from Boston to South America

  • 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
ArajetPriceFrom $110Free CancellationRating
6.5
47 reviews
Search Arajet flights
AviancaPriceFrom $126Free CancellationRating
6.5
2,514 reviews
Search Avianca flights
United AirlinesPriceFrom $168Free CancellationRating
7.4
9,680 reviews
Search United Airlines flights
Copa AirlinesPriceFrom $206Free CancellationRating
7.5
1,580 reviews
Search Copa Airlines flights
Spirit AirlinesPriceFrom $213Free CancellationRating
6.3
8,631 reviews
Search Spirit Airlines flights
Air CanadaPriceFrom $234Free CancellationRating
7.1
10,979 reviews
Search Air Canada flights
LATAM AirlinesPriceFrom $262Free CancellationRating
7.4
1,912 reviews
Search LATAM Airlines flights
DeltaPriceFrom $284Free CancellationRating
7.9
8,466 reviews
Search Delta flights
JetBluePriceFrom $308Free CancellationRating
7.1
2,968 reviews
Search JetBlue flights
American AirlinesPriceFrom $335Free CancellationRating
7.1
11,678 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.

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1 adult
Thu 5/28
Thu 6/4

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