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Cheap flights from Boston to South America from $103

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 1/13. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Cheap round-trip flights

Enter your travel dates to find the best prices.
Copa Airlines Logo
4:00 pm - 8:10 am
BOS
-
CTG
17h 10m1 stop
Copa Airlines Logo
12:05 pm - 11:08 pm
CTG
-
BOS
10h 03m1 stop
$250Copa Airlines
mié., may. 6 - mié., may. 13
American Airlines Logo
6:23 pm - 1:30 pm
BOS
-
CTG
19h 07m2 stops
American Airlines Logo
4:30 pm - 10:01 am
CTG
-
BOS
17h 31m1 stop
$291American Airlines
vie., ene. 16 - mié., ene. 21
American Airlines Logo
5:15 am - 3:30 pm
BOS
-
CTG
10h 15m1 stop
American Airlines Logo
2:30 pm - 11:05 pm
CTG
-
BOS
8h 35m1 stop
$310American Airlines
jue., ene. 29 - jue., feb. 5
Copa Airlines Logo
4:05 pm - 8:06 am
BOS
-
CTG
17h 01m1 stop
Copa Airlines Logo
9:22 am - 11:10 pm
CTG
-
BOS
12h 48m1 stop
$312Copa Airlines
mié., mar. 11 - lun., mar. 16
Spirit Airlines Logo
5:45 am - 1:10 pm
BOS
-
CTG
7h 25m1 stop
Spirit Airlines Logo
2:21 pm - 11:57 pm
CTG
-
BOS
9h 36m1 stop
$314Spirit Airlines
dom., ene. 4 - sáb., ene. 17
Spirit Airlines Logo
3:43 pm - 1:15 pm
BOS
-
CTG
21h 32m2 stops
Spirit Airlines Logo
2:21 pm - 11:57 pm
CTG
-
BOS
9h 36m1 stop
$315Spirit Airlines
jue., ene. 8 - jue., ene. 15
Avianca Logo
7:55 am - 6:55 pm
BOS
-
MDE
11h 00m1 stop
Avianca Logo
10:45 pm - 1:50 pm
MDE
-
BOS
15h 05m2 stops
$373Avianca
sáb., feb. 7 - dom., feb. 15
Avianca Logo
7:55 am - 10:40 pm
BOS
-
GRU
36h 45m1 stop
Avianca Logo
7:35 am - 2:50 pm
GRU
-
BOS
32h 15m2 stops
$527Avianca
mar., mar. 3 - dom., mar. 15
LATAM Airlines Logo
9:55 am - 8:40 pm
BOS
-
GRU
9h 45mnonstop
LATAM Airlines Logo
10:45 pm - 7:35 am
GRU
-
BOS
9h 50mnonstop
$534LATAM Airlines
mié., may. 13 - dom., may. 31
LATAM Airlines Logo
8:55 am - 8:55 pm
BOS
-
GRU
10h 00mnonstop
LATAM Airlines Logo
10:45 pm - 7:35 am
GRU
-
BOS
9h 50mnonstop
$535LATAM Airlines
vie., ene. 23 - mar., mar. 31

Avianca flights from Boston to South America

Our best Avianca deals on Boston to South America flight tickets
Avianca
May 6
BOS4:50 pmBoston Logan Intl
14h 25m
2 stops
CTG6:15 amCartagena Rafael Nunez
May 13
CTG9:05 pmCartagena Rafael Nunez
9h 10m
1 stop
BOS7:15 amBoston Logan Intl
$362
Find similar
Avianca
Jan 17
BOS7:55 amBoston Logan Intl
6h 30m
BOG2:25 pmBogotá El Dorado
Jan 30
BOG12:10 amBogotá El Dorado
6h 25m
BOS6:35 amBoston Logan Intl
$372
Find similar
Avianca
Jan 29
BOS7:55 amBoston Logan Intl
6h 30m
BOG2:25 pmBogotá El Dorado
Feb 7
BOG4:00 amBogotá El Dorado
9h 50m
1 stop
BOS1:50 pmBoston Logan Intl
$373
Find similar

Delta flights from Boston to South America

Our best Delta deals on Boston to South America flight tickets
Delta
Mar 11
BOS7:05 amBoston Logan Intl
13h 56m
2 stops
CTG8:01 pmCartagena Rafael Nunez
Mar 16
CTG5:05 amCartagena Rafael Nunez
17h 28m
2 stops
BOS11:33 pmBoston Logan Intl
$395
Find similar
Delta
Jan 17
BOS3:30 pmBoston Logan Intl
20h 35m
2 stops
BOG12:05 pmBogotá El Dorado
Feb 2
BOG9:00 amBogotá El Dorado
13h 32m
1 stop
BOS10:32 pmBoston Logan Intl
$408
Find similar
Delta
Dec 14
BOS5:40 amBoston Logan Intl
15h 05m
2 stops
LIM8:45 pmLima J Chavez Intl
Dec 18
LIM11:40 pmLima J Chavez Intl
18h 34m
1 stop
BOS6:14 pmBoston Logan Intl
$778
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 diciembre 11, 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

BostonCartagena

BOS - CTG

BOSCTG

Boston Logan Intl

mié. 5/6

4:00 pm-8:10 am

1 stop17h 10m

Cartagena Rafael Nunez

mié. 5/13

12:05 pm-11:08 pm

1 stop10h 03m

$250

BostonCartagena

BOS - CTG

BOSCTG

Boston Logan Intl

vie. 1/16

6:23 pm-1:30 pm

2 stops19h 07m

Cartagena Rafael Nunez

mié. 1/21

4:30 pm-10:01 am

1 stop17h 31m

$291

BostonCartagena

BOS - CTG

BOSCTG

Boston Logan Intl

jue. 1/29

5:15 am-3:30 pm

1 stop10h 15m

Cartagena Rafael Nunez

jue. 2/5

2:30 pm-11:05 pm

1 stop8h 35m

$310

BostonCartagena

BOS - CTG

BOSCTG

Boston Logan Intl

mié. 3/11

4:05 pm-8:06 am

1 stop17h 01m

Cartagena Rafael Nunez

lun. 3/16

9:22 am-11:10 pm

1 stop12h 48m

$312

BostonCartagena

BOS - CTG

BOSCTG

Boston Logan Intl

dom. 1/4

5:45 am-1:10 pm

1 stop7h 25m

Cartagena Rafael Nunez

sáb. 1/17

2:21 pm-11:57 pm

1 stop9h 36m

$314

BostonCartagena

BOS - CTG

BOSCTG

Boston Logan Intl

jue. 1/8

3:43 pm-1:15 pm

2 stops21h 32m

Cartagena Rafael Nunez

jue. 1/15

2:21 pm-11:57 pm

1 stop9h 36m

$315

BostonMedellín

BOS - MDE

BOSMDE

Boston Logan Intl

sáb. 2/7

7:55 am-6:55 pm

1 stop11h 00m

Medellín Jose Maria Cordova Intl

dom. 2/15

10:45 pm-1:50 pm

2 stops15h 05m

$373

BostonSao Paulo

BOS - GRU

BOSGRU

Boston Logan Intl

mar. 3/3

7:55 am-10:40 pm

1 stop36h 45m

Sao Paulo Guarulhos Intl

dom. 3/15

7:35 am-2:50 pm

2 stops32h 15m

$527

BostonSao Paulo

BOS - GRU

BOSGRU

Boston Logan Intl

mié. 5/13

9:55 am-8:40 pm

Nonstop9h 45m

Sao Paulo Guarulhos Intl

dom. 5/31

10:45 pm-7:35 am

Nonstop9h 50m

$534

BostonSao Paulo

BOS - GRU

BOSGRU

Boston Logan Intl

vie. 1/23

8:55 am-8:55 pm

Nonstop10h 00m

Sao Paulo Guarulhos Intl

mar. 3/31

10:45 pm-7:35 am

Nonstop9h 50m

$535

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 $562.

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 $633 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 $530 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

$269

Fastest flight time

7h 11m

Direct flights

Every day

Airports in South America

463 airports
The best one-way flight to South America from Boston in the past 72 hours is $269. The best round-trip flight deal from Boston to South America found on momondo in the last 72 hours is $414.
The fastest flight from Boston to South America takes 7h 11m
Direct flights go from Boston to South America every day.
There are 463 airports in South America. From Boston there are direct flights to Bogotá El Dorado (BOG), 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
8,007 reviews
Search Delta flights
Air CanadaPriceFrom $234Free CancellationRating
7.1
10,517 reviews
Search Air Canada flights
Spirit AirlinesPriceFrom $248Free CancellationRating
6.3
8,180 reviews
Search Spirit Airlines flights
Copa AirlinesPriceFrom $299Free CancellationRating
7.6
1,558 reviews
Search Copa Airlines flights
AviancaPriceFrom $300Free CancellationRating
6.6
2,480 reviews
Search Avianca flights
LATAM AirlinesPriceFrom $308Free CancellationRating
7.5
1,887 reviews
Search LATAM Airlines flights
JetBluePriceFrom $310Free CancellationRating
7.2
2,899 reviews
Search JetBlue flights
United AirlinesPriceFrom $319Free CancellationRating
7.4
9,094 reviews
Search United Airlines flights
American AirlinesPriceFrom $334Free CancellationRating
7.2
11,049 reviews
Search American Airlines flights
GOLPriceFrom $339Free CancellationRating
7.3
1,127 reviews
Search GOL 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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Find better results for your trip to South America

Popular cities in South America

Popular flights according to clicks in the last 7 days on momondo
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Flights to Califrom $180