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 10/16. 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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Copa Airlines Logo
4:00 pm - 8:05 am
BOS
-
CTG
17h 05m
1 stop
Copa Airlines Logo
12:00 pm - 11:08 pm
CTG
-
BOS
10h 08m
1 stop
$335Copa Airlines
Wed, Jun 3 - Wed, Jun 10
American Airlines Logo
6:00 am - 12:35 pm
BOS
-
CTG
7h 35m
1 stop
American Airlines Logo
3:15 pm - 12:59 am
CTG
-
BOS
8h 44m
1 stop
$347American Airlines
Tue, Aug 4 - Wed, Aug 12
Copa Airlines Logo
8:47 am - 11:00 pm
BOS
-
CTG
15h 13m
1 stop
Copa Airlines Logo
9:45 am - 11:02 pm
CTG
-
BOS
12h 17m
1 stop
$350Copa Airlines
Thu, Sep 17 - Mon, Sep 21
American Airlines Logo
7:27 pm - 12:35 pm
BOS
-
CTG
18h 08m
2 stops
American Airlines Logo
1:35 pm - 8:46 am
CTG
-
BOS
18h 11m
2 stops
$352American Airlines
Tue, Aug 4 - Wed, Aug 12
Avianca Logo
4:50 pm - 2:00 am
BOS
-
BOG
10h 10m
1 stop
Avianca Logo
4:00 am - 2:50 pm
BOG
-
BOS
9h 50m
1 stop
$354Avianca
Wed, Oct 14 - Sun, Oct 25
LATAM Airlines Logo
7:05 am - 8:10 pm
BOS
-
BOG
14h 05m
1 stop
LATAM Airlines Logo
11:00 am - 11:33 pm
BOG
-
BOS
11h 33m
1 stop
$362LATAM Airlines
Wed, Jul 15 - Tue, Jul 21
LATAM Airlines Logo
9:10 am - 7:15 pm
BOS
-
BOG
11h 05m
1 stop
LATAM Airlines Logo
2:55 pm - 12:44 pm
BOG
-
BOS
20h 49m
1 stop
$365LATAM Airlines
Wed, Jun 3 - Sun, Jun 7
Avianca Logo
8:45 am - 5:25 am
BOS
-
GRU
19h 40m
1 stop
Avianca Logo
5:15 pm - 7:10 am
GRU
-
BOS
14h 55m
1 stop
$629Avianca
Thu, Sep 3 - Mon, Sep 7
Delta Logo
9:55 am - 8:35 am
BOS
-
SDU
21h 40m
1 stop
Delta Logo
8:15 pm - 7:35 am
SDU
-
BOS
12h 20m
1 stop
$719Delta
Fri, Oct 16 - Wed, Oct 21
Delta Logo
5:00 pm - 1:10 pm
BOS
-
SDU
19h 10m
2 stops
Delta Logo
8:15 pm - 7:35 am
SDU
-
BOS
12h 20m
1 stop
$723Delta
Mon, Sep 14 - Wed, Sep 23

United Airlines flights from Boston to South America

Our best United Airlines deals on Boston to South America flight tickets
United Airlines
May 16
BOS6:00 amBoston Logan Intl
17h 00m
1 stop
BOG10:00 pmBogotá El Dorado
May 17
BOG12:14 amBogotá El Dorado
15h 53m
1 stop
BOS5:07 pmBoston Logan Intl
$365
United Airlines
May 24
BOS10:30 amBoston Logan Intl
12h 30m
1 stop
BOG10:00 pmBogotá El Dorado
Jun 29
BOG11:10 pmBogotá El Dorado
19h 18m
1 stop
BOS7:28 pmBoston Logan Intl
$366
United Airlines
May 16
BOS6:00 amBoston Logan Intl
17h 00m
1 stop
BOG10:00 pmBogotá El Dorado
May 20
BOG8:30 amBogotá El Dorado
22h 47m
2 stops
BOS8:17 amBoston Logan Intl
$370

Delta flights from Boston to South America

Our best Delta deals on Boston to South America flight tickets
Delta
Sep 18
BOS8:15 pmBoston Logan Intl
18h 00m
1 stop
CTG1:15 pmCartagena Rafael Nunez
Sep 23
CTG5:30 amCartagena Rafael Nunez
18h 36m
2 stops
BOS1:06 amBoston Logan Intl
$392
Delta
May 25
BOS5:35 amBoston Logan Intl
14h 40m
1 stop
BOG7:15 pmBogotá El Dorado
Jun 30
BOG8:40 amBogotá El Dorado
13h 55m
1 stop
BOS11:35 pmBoston Logan Intl
$394
Delta
May 25
BOS6:51 amBoston Logan Intl
13h 24m
1 stop
BOG7:15 pmBogotá El Dorado
Jun 29
BOG11:00 amBogotá El Dorado
11h 35m
1 stop
BOS11:35 pmBoston Logan Intl
$396

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 May 14, 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

BostonCartagena

BOS - CTG

BOSCTG

Boston Logan Intl

Wed 6/3

4:00 pm-8:05 am

1 stop17h 05m

Cartagena Rafael Nunez

Wed 6/10

12:00 pm-11:08 pm

1 stop10h 08m

$335
Quickest round-trip

BostonCartagena

BOS - CTG

BOSCTG

Boston Logan Intl

Tue 8/4

6:00 am-12:35 pm

1 stop7h 35m

Cartagena Rafael Nunez

Wed 8/12

3:15 pm-12:59 am

1 stop8h 44m

$347

BostonCartagena

BOS - CTG

BOSCTG

Boston Logan Intl

Thu 9/17

8:47 am-11:00 pm

1 stop15h 13m

Cartagena Rafael Nunez

Mon 9/21

9:45 am-11:02 pm

1 stop12h 17m

$350

BostonCartagena

BOS - CTG

BOSCTG

Boston Logan Intl

Tue 8/4

7:27 pm-12:35 pm

2 stops18h 08m

Cartagena Rafael Nunez

Wed 8/12

1:35 pm-8:46 am

2 stops18h 11m

$352

BostonBogotá

BOS - BOG

BOSBOG

Boston Logan Intl

Wed 10/14

4:50 pm-2:00 am

1 stop10h 10m

Bogotá El Dorado

Sun 10/25

4:00 am-2:50 pm

1 stop9h 50m

$354

BostonBogotá

BOS - BOG

BOSBOG

Boston Logan Intl

Wed 7/15

7:05 am-8:10 pm

1 stop14h 05m

Bogotá El Dorado

Tue 7/21

11:00 am-11:33 pm

1 stop11h 33m

$362

BostonBogotá

BOS - BOG

BOSBOG

Boston Logan Intl

Wed 6/3

9:10 am-7:15 pm

1 stop11h 05m

Bogotá El Dorado

Sun 6/7

2:55 pm-12:44 pm

1 stop20h 49m

$365

BostonSao Paulo

BOS - GRU

BOSGRU

Boston Logan Intl

Thu 9/3

8:45 am-5:25 am

1 stop19h 40m

Sao Paulo Guarulhos Intl

Mon 9/7

5:15 pm-7:10 am

1 stop14h 55m

$629

BostonRio de Janeiro

BOS - SDU

BOSSDU

Boston Logan Intl

Fri 10/16

9:55 am-8:35 am

1 stop21h 40m

Rio de Janeiro Santos Dumont

Wed 10/21

8:15 pm-7:35 am

1 stop12h 20m

$719

BostonRio de Janeiro

BOS - SDU

BOSSDU

Boston Logan Intl

Mon 9/14

5:00 pm-1:10 pm

2 stops19h 10m

Rio de Janeiro Santos Dumont

Wed 9/23

8:15 pm-7:35 am

1 stop12h 20m

$723

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, January 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 $586. If you aren’t able to travel during the month of January, then book flights to South America from Boston during March instead. Flights to South America in March, while not as cheap as those in January, still average around $596.

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 $614 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

$273

Fastest flight time

6h 10m

Direct flights

Every day

Airports in South America

464 airports
The best one-way flight to South America from Boston in the past 72 hours is $273. The best round-trip flight deal from Boston to South America found on momondo in the last 72 hours is $473.
The fastest flight from Boston to South America takes 6h 10m
Direct flights go from Boston to South America every day.
There are 464 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
48 reviews
Search Arajet flights
AviancaPriceFrom $126Free CancellationRating
6.5
2,523 reviews
Search Avianca flights
United AirlinesPriceFrom $168Free CancellationRating
7.4
9,711 reviews
Search United Airlines flights
Copa AirlinesPriceFrom $206Free CancellationRating
7.5
1,584 reviews
Search Copa Airlines flights
Spirit AirlinesPriceFrom $213Free CancellationRating
6.2
8,626 reviews
Search Spirit Airlines flights
Air CanadaPriceFrom $234Free CancellationRating
7.1
11,033 reviews
Search Air Canada flights
DeltaPriceFrom $284Free CancellationRating
7.9
8,454 reviews
Search Delta flights
JetBluePriceFrom $297Free CancellationRating
7.1
2,975 reviews
Search JetBlue flights
LATAM AirlinesPriceFrom $337Free CancellationRating
7.4
1,925 reviews
Search LATAM Airlines flights
American AirlinesPriceFrom $337Free CancellationRating
7.1
11,664 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
Sat 6/13
Sat 6/20

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