What airlines fly to Buenos Aires?

LATAM Airlines, American Airlines and Delta are the top three most popular airlines that fly to Buenos Aires from Boston according to our data. LATAM Airlines is the first choice among our users, with 36% of people opting to fly with this airline when traveling to Buenos Aires. Keep in mind that there are 5 different airlines that fly to Buenos Aires on a routine basis, so you have a few additional options to choose from.

Which airport is the most popular layover for flights between Boston and Buenos Aires?

Miami (MIA) was the most common stop: 38% of momondo users choosing 1-stop flights on this route connected there.

What is the cheapest airline that flies from Boston Logan Intl to Buenos Aires?

Arajet, Air Canada, and LATAM Airlines are the most popular carriers operating from Boston Logan Intl to Buenos Aires

Which layover airport has the shortest connection time from Boston to Buenos Aires?

Miami (MIA) has the shortest average layover time for this route: 1h 28m.

Which layover airport has the shortest travel time from Boston to Buenos Aires?

Flights connecting via Miami (MIA) have the shortest average one-way travel time: 13h 38m.

Which layover airport offers the lowest fares from Boston to Buenos Aires?

Flights via Santo Domingo (SDQ) offer the lowest average round-trip price of $817.

When did momondo last update prices for flights from Boston Logan Intl Airport to Buenos Aires?

Prices for flights from Boston Logan Intl Airport to Buenos Aires refresh daily.

How many operators does momondo search for flights from Boston Logan Intl Airport to Buenos Aires?

The number of operators available for flights from Boston Logan Intl Airport to Buenos Aires is 5 as of June 2026.

How old do you have to be to fly from Boston Logan Intl Airport to Buenos Aires?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Boston Logan Intl Airport to Buenos Aires.

What documentation or ID do you need to fly to Buenos Aires?

The travel and health documents required for your trip to Buenos Aires can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Buenos Aires. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$325 Cheap Flights from Boston to Buenos Aires in 2026

Q: What is the typical price of a round-trip flight between Boston and Buenos Aires?

Prices are currently low for flights on this route. Typical prices usually range from $976 to $1,420. The lowest price recently found on this route was $759.

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Boston to Buenos Aires

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

12:15 pm - 3:23 am

BOS

EZE

14h 08m

1 stop

4:50 pm - 7:10 am

EZE

BOS

15h 20m

1 stop

$759Multiple Airlines

Fri, Oct 2 - Wed, Oct 7

12:15 pm - 3:23 am

BOS

EZE

14h 08m

1 stop

7:10 am - 7:10 am

EZE

BOS

25h 00m

1 stop

$760Multiple Airlines

Fri, Oct 2 - Wed, Oct 7

3:50 pm - 9:40 am

BOS

EZE

15h 50m

1 stop

1:10 pm - 10:22 am

EZE

BOS

23h 12m

1 stop

$790LATAM Airlines

Thu, Nov 12 - Tue, Nov 17

12:15 pm - 3:23 am

BOS

EZE

14h 08m

1 stop

6:35 am - 9:45 am

EZE

BOS

29h 10m

1 stop

$791Arajet

Fri, Oct 30 - Tue, Nov 10

9:20 pm - 3:23 am

BOS

EZE

28h 03m

1 stop

6:35 am - 9:45 am

EZE

BOS

29h 10m

1 stop

$805Arajet

Thu, Nov 5 - Tue, Nov 10

3:00 pm - 9:40 am

BOS

EZE

17h 40m

1 stop

1:10 pm - 11:30 am

EZE

BOS

23h 20m

2 stops

$811LATAM Airlines

Fri, Oct 9 - Sun, Oct 18

6:55 pm - 4:00 pm

BOS

AEP

19h 05m

2 stops

8:05 pm - 11:19 am

AEP

BOS

17h 14m

2 stops

$859Delta

Tue, Nov 3 - Tue, Nov 10

8:45 am - 5:40 am

BOS

AEP

19h 55m

1 stop

7:00 am - 7:35 am

AEP

BOS

25h 35m

1 stop

$881Avianca

Tue, Sep 8 - Fri, Oct 30

3:00 pm - 2:40 pm

BOS

AEP

21h 40m

2 stops

8:05 pm - 11:19 am

AEP

BOS

17h 14m

2 stops

$884Delta

Wed, Nov 4 - Tue, Nov 10

7:55 am - 5:40 am

BOS

AEP

19h 45m

1 stop

7:00 am - 6:35 am

AEP

BOS

25h 35m

1 stop

$888Avianca

Tue, Nov 3 - Mon, Nov 9

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Copa Airlines flights from Boston to Buenos Aires

Our best Copa Airlines deals on Boston to Buenos Aires flight tickets

Copa Airlines

Nov 3

BOS7:41 amBoston Logan Intl

15h 30m

1 stop

EZE1:11 amBuenos Aires Ministro Pistarini

Nov 17

EZE5:16 amBuenos Aires Ministro Pistarini

18h 45m

1 stop

BOS10:01 pmBoston Logan Intl

$847

Copa Airlines

Oct 30

BOS8:47 amBoston Logan Intl

17h 05m

1 stop

EZE2:52 amBuenos Aires Ministro Pistarini

Nov 14

EZE12:06 amBuenos Aires Ministro Pistarini

15h 21m

1 stop

BOS1:27 pmBoston Logan Intl

$870

Copa Airlines

Oct 31

BOS8:47 amBoston Logan Intl

15h 24m

1 stop

EZE1:11 amBuenos Aires Ministro Pistarini

Nov 14

EZE8:56 amBuenos Aires Ministro Pistarini

30h 31m

1 stop

BOS1:27 pmBoston Logan Intl

$893

Delta flights from Boston to Buenos Aires

Our best Delta deals on Boston to Buenos Aires flight tickets

Delta

Nov 3

BOS7:00 amBoston Logan Intl

21h 20m

2 stops

EZE6:20 amBuenos Aires Ministro Pistarini

Nov 10

EZE7:45 amBuenos Aires Ministro Pistarini

19h 13m

2 stops

BOS12:58 amBoston Logan Intl

$859

Delta

Nov 12

BOS1:10 pmBoston Logan Intl

18h 30m

2 stops

EZE9:40 amBuenos Aires Ministro Pistarini

Nov 17

EZE9:30 pmBuenos Aires Ministro Pistarini

17h 09m

1 stop

BOS12:39 pmBoston Logan Intl

$863

Delta

Oct 9

BOS3:00 pmBoston Logan Intl

17h 40m

1 stop

EZE9:40 amBuenos Aires Ministro Pistarini

Oct 18

EZE1:10 pmBuenos Aires Ministro Pistarini

26h 31m

1 stop

BOS2:41 pmBoston Logan Intl

$867

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

BostonBuenos Aires

BOS - EZE

BOSEZE

Boston Logan Intl

Fri 10/2

12:15 pm-3:23 am

1 stop14h 08m

Buenos Aires Ministro Pistarini

Wed 10/7

4:50 pm-7:10 am

1 stop15h 20m

$759

BostonBuenos Aires

BOS - EZE

BOSEZE

Boston Logan Intl

Fri 10/2

12:15 pm-3:23 am

1 stop14h 08m

Buenos Aires Ministro Pistarini

Wed 10/7

7:10 am-7:10 am

1 stop25h 00m

$760

BostonBuenos Aires

BOS - EZE

BOSEZE

Boston Logan Intl

Thu 11/12

3:50 pm-9:40 am

1 stop15h 50m

Buenos Aires Ministro Pistarini

Tue 11/17

1:10 pm-10:22 am

1 stop23h 12m

$790

BostonBuenos Aires

BOS - EZE

BOSEZE

Boston Logan Intl

Fri 10/30

12:15 pm-3:23 am

1 stop14h 08m

Buenos Aires Ministro Pistarini

Tue 11/10

6:35 am-9:45 am

1 stop29h 10m

$791

BostonBuenos Aires

BOS - EZE

BOSEZE

Boston Logan Intl

Thu 11/5

9:20 pm-3:23 am

1 stop28h 03m

Buenos Aires Ministro Pistarini

Tue 11/10

6:35 am-9:45 am

1 stop29h 10m

$805

BostonBuenos Aires

BOS - EZE

BOSEZE

Boston Logan Intl

Fri 10/9

3:00 pm-9:40 am

1 stop17h 40m

Buenos Aires Ministro Pistarini

Sun 10/18

1:10 pm-11:30 am

2 stops23h 20m

$811

BostonBuenos Aires

BOS - AEP

BOSAEP

Boston Logan Intl

Tue 11/3

6:55 pm-4:00 pm

2 stops19h 05m

Buenos Aires Jorge Newbery

Tue 11/10

8:05 pm-11:19 am

2 stops17h 14m

$859

BostonBuenos Aires

BOS - AEP

BOSAEP

Boston Logan Intl

Tue 9/8

8:45 am-5:40 am

1 stop19h 55m

Buenos Aires Jorge Newbery

Fri 10/30

7:00 am-7:35 am

1 stop25h 35m

$881

BostonBuenos Aires

BOS - AEP

BOSAEP

Boston Logan Intl

Wed 11/4

3:00 pm-2:40 pm

2 stops21h 40m

Buenos Aires Jorge Newbery

Tue 11/10

8:05 pm-11:19 am

2 stops17h 14m

$884

BostonBuenos Aires

BOS - AEP

BOSAEP

Boston Logan Intl

Tue 11/3

7:55 am-5:40 am

1 stop19h 45m

Buenos Aires Jorge Newbery

Mon 11/9

7:00 am-6:35 am

1 stop25h 35m

$888

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Boston to Buenos Aires

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

Prices

Airlines

Layovers

What is the typical price of a round-trip flight between Boston and Buenos Aires?

What is the cheapest month to fly to Buenos Aires?

The cheapest month to fly to Buenos Aires from Boston is in June. Flight prices, which tend to average around $279, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of June, then book flights to Buenos Aires from Boston during February instead. Flights to Buenos Aires in February, while not as cheap as those in June, still average around $302.

How far in advance should I book a flight from Boston to Buenos Aires?

You are more likely to see cheaper flights to Buenos Aires from Boston when booking weeks ahead of your departure date. In general, you can expect to find flights to Buenos Aires for around $1,243 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Buenos Aires from Boston for as low as $974 on momondo.

Can stopping save me money on Boston to Buenos Aires flights?

You could potentially save up to 22% on your flight if you consider stops on a Boston to Buenos Aires flight.

How have Boston to Buenos Aires flight prices changed over time?

As of June 2026, prices for Boston to Buenos Aires flights are approximately 44% cheaper when compared to flights at the same time last year.

When to book flights from Boston to Buenos Aires

Are you open to changing your travel dates? Check out the ideal times to fly from Boston to Buenos Aires according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Boston to Buenos Aires (BOS to BUE) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Boston to Buenos Aires

Fastest flight time	13h 35m
Direct flights	None

The fastest flight from Boston to Buenos Aires takes 13h 35m

There are no direct flights from Boston to Buenos Aires. There are no popular flight routes from Boston to Buenos Aires.

Search flight deals

Frequently asked questions about flying from Boston to Buenos Aires

How far is Boston Logan Intl to Buenos Aires by plane?
Buenos Aires is 5374.8 mi away from Boston Logan Intl. A reasonable flight in good conditions will take 13h 35m.
When did momondo last update prices for flights from Boston Logan Intl Airport to Buenos Aires?
Prices for flights from Boston Logan Intl Airport to Buenos Aires refresh daily.
How many operators does momondo search for flights from Boston Logan Intl Airport to Buenos Aires?
The number of operators available for flights from Boston Logan Intl Airport to Buenos Aires is 5 as of June 2026.
How old do you have to be to fly from Boston Logan Intl Airport to Buenos Aires?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Boston Logan Intl Airport to Buenos Aires.
What documentation or ID do you need to fly to Buenos Aires?
The travel and health documents required for your trip to Buenos Aires can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Buenos Aires. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular airline from Boston to Buenos Aires?
Based on momondo bookings for flights between Boston and Buenos Aires, the leading airline is LATAM Airlines, making up 36% of the total bookings. Other popular airlines include American Airlines with 32%, Delta with 14%, and Copa Airlines with 8%.

Best airlines flying from Boston to Buenos Aires

Compare and see reviews for airlines that fly from Boston to Buenos Aires with momondo

Airline	Rating	Free Cancellation	Price
LATAM Airlines	PriceFrom $486	Free Cancellation	Rating 7.4 1,942 reviews	Search LATAM Airlines flights
Copa Airlines	PriceFrom $517	Free Cancellation	Rating 7.6 1,568 reviews	Search Copa Airlines flights
Delta	PriceFrom $811	Free Cancellation	Rating 7.8 8,431 reviews	Search Delta flights
United Airlines	PriceFrom $861	Free Cancellation	Rating 7.4 9,879 reviews	Search United Airlines flights
American Airlines	PriceFrom $1,038	Free Cancellation	Rating 7.1 11,750 reviews	Search American Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Boston to Buenos Aires?

It is quick and easy to find Boston to Buenos Aires flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Buenos Aires that suits you.

Can I find flights from Boston to Buenos Aires with flexible booking policies on momondo?

momondo does allow users to show only those flights to Buenos Aires from Boston which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Boston to Buenos Aires?

momondo helps you find the best flight between Boston and Buenos Aires by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Boston to Buenos Aires right now. Can momondo alert me if prices change?

Price alerts on flights to Buenos Aires from Boston are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

An easier way to manage your Buenos Aires trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Start using Trips

Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

1 adult

Thu 7/23

Thu 7/30

Email me momondo's favorite deals

By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Argentina

Nearby airports

Airlines

Cabin classes

Other Argentina destinations

Other flights from Boston

Complete your trip

Feeling lucky

Fly into one of these airports located in Buenos Aires

Buenos Aires Jorge Newbery Airport

Buenos Aires Ministro Pistarini Airport

Cheap flights from Boston to Buenos Aires from $366

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 Buenos Aires departing on 8/11. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Find the cheapest flights from Boston to Buenos Aires

Cheap round-trip flights

Cheap one-way flights

Cheap last minute flights

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

Copa Airlines flights from Boston to Buenos Aires

Our best Copa Airlines deals on Boston to Buenos Aires flight tickets

Delta flights from Boston to Buenos Aires

Our best Delta deals on Boston to Buenos Aires flight tickets

momondo Fare Finder

Use the filters below to find and compare flights from Boston to Buenos Aires that are best for you.

See travel insights to Buenos Aires from

How to get the cheapest flight ticket from Boston to Buenos Aires

What is the typical price of a round-trip flight between Boston and Buenos Aires?

What is the cheapest month to fly to Buenos Aires?

How far in advance should I book a flight from Boston to Buenos Aires?

Can stopping save me money on Boston to Buenos Aires flights?

How have Boston to Buenos Aires flight prices changed over time?

What is the cheapest airline that flies from Boston Logan Intl to Buenos Aires?

What airlines fly to Buenos Aires?

Which airport is the most popular layover for flights between Boston and Buenos Aires?

Which layover airport offers the lowest fares from Boston to Buenos Aires?

Which layover airport has the shortest travel time from Boston to Buenos Aires?

Which layover airport has the shortest connection time from Boston to Buenos Aires?

When to book flights from Boston to Buenos Aires

Cheap Boston to Buenos Aires (BOS to BUE) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Boston to Buenos Aires

Fastest flight time

Direct flights

Frequently asked questions about flying from Boston to Buenos Aires

Best airlines flying from Boston to Buenos Aires

Compare and see reviews for airlines that fly from Boston to Buenos Aires with momondo

Why use momondo?

An easier way to manage your Buenos Aires trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Argentina

Fly into one of these airports located in Buenos Aires

Airports listed have a maximum distance of 17.0 mi from Buenos Aires

Fly your favorite airline to Buenos Aires

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to Buenos Aires

List of cabin classes available on flights landing in Buenos Aires. Availability may vary depending on flight origin and airline.

Popular cities in Argentina

Popular flights according to clicks in the last 7 days on momondo

Fly to other destinations from Boston

According to popular flight searches on momondo this year

Complete your trip to Buenos Aires

Explore popular destinations other users love

According to popular flight searches on momondo this year