Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Boston to Buenos Aires from $338

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 4/22. 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

Deals available from 900+ travel sites.

Save money when you book flights with momondo
Big names and deals
Big names and deals
Search 100s of travel sites to compare prices.
Filter for what you want
Filter for what you want
Free Wi-Fi? Stopover? Instantly customize your results.
Trusted and free
Trusted and free
We’re completely free to use - no hidden charges or fees.
Price Alerts
Price Alerts
Not ready to book? to track prices.

Find the cheapest flights from Boston to Buenos Aires

Cheap round-trip flights

These are some of the best round-trip flight deals from Boston to Buenos Aires that have been recently found on momondo from popular airlines, departing in the coming months.

Cheap one-way flights

Flying one-way? These are some of the best deals recently discovered on momondo for flights from Boston to Buenos Aires.

Cheap last minute flights

Planning a quick getaway from Boston to Buenos Aires? These are the last-minute flight deals available now.

Cheap direct flights

If you prefer a non-stop journey, check out our latest direct flight deals to Buenos Aires, so you can enjoy a seamless trip without layovers.

Cheap bus & train deals from Boston to Buenos Aires

Find recent round-trip train or bus tickets from Boston to Buenos Aires.

All round-trip flight deals from Boston to Buenos Aires

The cheapest plane tickets from Boston to Buenos Aires found on KAYAK recently.
8:55 am - 4:40 amBOS-EZE
18h 45m2 stops
5:30 am - 7:15 amEZE-BOS
26h 45m2 stops
$757Avianca
Find Deal
Sat, Mar 22 - Fri, Apr 4
9:00 am - 12:10 amBOS-EZE
14h 10m1 stop
7:15 am - 7:35 amEZE-BOS
25h 20m1 stop
Tue, Apr 22 - Sun, May 4
8:43 am - 10:11 pmBOS-EZE
36h 28m1 stop
2:43 pm - 2:06 pmEZE-BOS
24h 23m1 stop
$945Copa Airlines
Find Deal
Mon, Mar 17 - Mon, Mar 31
4:15 pm - 11:48 amBOS-EZE
18h 33m2 stops
12:48 pm - 11:07 amEZE-BOS
23h 19m2 stops
$1,024LATAM Airlines
Find Deal
Tue, May 13 - Tue, May 20
5:56 pm - 11:05 amBOS-EZE
16h 09m1 stop
8:30 pm - 12:30 pmEZE-BOS
17h 00m2 stops
$1,025American Airlines
Find Deal
Mon, Mar 10 - Mon, Mar 24
4:55 pm - 6:30 pmBOS-AEP
24h 35m2 stops
1:30 pm - 7:35 amAEP-BOS
19h 05m1 stop
$1,025LATAM Airlines
Find Deal
Wed, Apr 30 - Wed, May 7
9:55 am - 12:50 amBOS-EZE
13h 55m1 stop
8:10 pm - 9:53 amEZE-BOS
14h 43m1 stop
$1,031Delta
Find Deal
Thu, Apr 3 - Mon, Apr 14
3:40 pm - 11:05 amBOS-EZE
18h 25m2 stops
11:59 pm - 5:27 pmEZE-BOS
18h 28m2 stops
$1,039American Airlines
Find Deal
Mon, Mar 10 - Mon, Mar 24
9:55 am - 12:50 amBOS-EZE
13h 55m1 stop
8:10 pm - 1:07 amEZE-BOS
29h 57m1 stop
$1,041Delta
Find Deal
Thu, Apr 3 - Wed, Apr 9
3:55 pm - 8:19 amBOS-EZE
15h 24m1 stop
3:47 am - 7:26 pmEZE-BOS
16h 39m1 stop
$1,068Copa Airlines
Find Deal
Tue, May 13 - Mon, May 19
9:00 am - 12:10 amBOS-EZE
14h 10m1 stop
$338Avianca
Find Deal
Tue, Apr 22
9:00 am - 4:25 amBOS-EZE
18h 25m2 stops
$340Avianca
Find Deal
Thu, May 22
9:55 am - 10:30 amBOS-AEP
23h 35m1 stop
$462LATAM Airlines
Find Deal
Thu, May 22
1:10 pm - 11:05 amBOS-EZE
20h 55m1 stop
$478American Airlines
Find Deal
Wed, Mar 12
8:40 pm - 9:00 amBOS-EZE
35h 20m1 stop
$494Delta
Find Deal
Sun, Mar 23
12:57 pm - 10:15 amBOS-EZE
20h 18m1 stop
$516American Airlines
Find Deal
Fri, May 2
1:05 pm - 9:45 amBOS-EZE
19h 40m1 stop
$518Delta
Find Deal
Fri, Mar 21
1:05 pm - 9:40 amBOS-AEP
19h 35m2 stops
$518LATAM Airlines
Find Deal
Sat, Mar 22
7:49 am - 7:49 amBOS-EZE
22h 00m1 stop
$812Copa Airlines
Find Deal
Wed, Feb 12
7:49 am - 1:09 amBOS-EZE
15h 20m1 stop
$2,105Copa Airlines
Find Deal
Fri, Feb 28
7:55 am - 4:56 amBOS-EZE
19h 01m2 stops
6:20 am - 11:35 pmEZE-BOS
43h 15m3 stops
$1,003
Find Deal
Thu, Jan 23 - Thu, Jan 30
7:55 am - 4:56 amBOS-EZE
19h 01m2 stops
12:05 am - 11:35 pmEZE-BOS
25h 30m3 stops
$1,008
Find Deal
Thu, Jan 23 - Wed, Jan 29
7:55 am - 6:40 amBOS-AEP
20h 45m2 stops
12:05 am - 2:40 pmAEP-BOS
40h 35m3 stops
$1,018
Find Deal
Thu, Jan 23 - Wed, Jan 29
6:56 pm - 5:35 amBOS-EZE
32h 39m3 stops
6:20 am - 11:35 pmEZE-BOS
43h 15m3 stops
$1,026
Find Deal
Thu, Jan 23 - Thu, Jan 30
1:47 pm - 9:00 amBOS-EZE
17h 13m1 stop
8:55 pm - 5:08 pmEZE-BOS
22h 13m1 stop
$1,145Delta
Find Deal
Thu, Jan 23 - Thu, Jan 30
10:50 am - 3:25 pmBOS-EZE
26h 35m2 stops
5:00 pm - 2:58 pmEZE-BOS
23h 58m2 stops
$1,166Air Canada
Find Deal
Tue, Jan 21 - Thu, Jan 30
7:10 am - 3:25 pmBOS-EZE
30h 15m3 stops
5:00 pm - 2:58 pmEZE-BOS
23h 58m2 stops
$1,177Air Canada
Find Deal
Tue, Jan 21 - Thu, Jan 30
9:00 am - 12:00 pmBOS-AEP
25h 00m1 stop
9:05 pm - 10:40 pmAEP-BOS
27h 35m2 stops
$1,502LATAM Airlines
Find Deal
Thu, Jan 23 - Sat, Jan 25
7:55 am - 12:15 amBOS-EZE
14h 20m1 stop
1:45 am - 1:50 pmEZE-BOS
38h 05m2 stops
$1,533Avianca
Find Deal
Tue, Jan 21 - Wed, Jan 29
9:00 am - 12:00 pmBOS-AEP
25h 00m1 stop
3:40 pm - 11:10 amAEP-BOS
21h 30m2 stops
$1,556LATAM Airlines
Find Deal
Thu, Jan 23 - Sat, Jan 25

Avianca flights from Boston to Buenos Aires

Our best Avianca deals on Boston to Buenos Aires flight tickets
Avianca
Mar 22
BOS8:55 amBoston Logan Intl
18h 45m
2 stops
EZE4:40 amBuenos Aires Ministro Pistarini
Apr 4
EZE5:30 amBuenos Aires Ministro Pistarini
26h 45m
2 stops
BOS7:15 amBoston Logan Intl
Avianca
Mar 22
BOS8:55 amBoston Logan Intl
14h 20m
1 stop
EZE12:15 amBuenos Aires Ministro Pistarini
Apr 4
EZE5:30 amBuenos Aires Ministro Pistarini
26h 45m
2 stops
BOS7:15 amBoston Logan Intl
Avianca
Mar 20
BOS8:55 amBoston Logan Intl
18h 45m
2 stops
EZE4:40 amBuenos Aires Ministro Pistarini
Mar 28
EZE5:50 amBuenos Aires Ministro Pistarini
26h 45m
2 stops
BOS7:35 amBoston Logan Intl

Air Canada flights from Boston to Buenos Aires

Our best Air Canada deals on Boston to Buenos Aires flight tickets
Air Canada
Mar 10
BOS3:40 pmBoston Logan Intl
21h 45m
2 stops
EZE2:25 pmBuenos Aires Ministro Pistarini
Mar 24
EZE4:00 pmBuenos Aires Ministro Pistarini
25h 53m
2 stops
BOS4:53 pmBoston Logan Intl
Air Canada
Mar 16
BOS10:50 amBoston Logan Intl
26h 35m
3 stops
EZE2:25 pmBuenos Aires Ministro Pistarini
Mar 21
EZE4:00 pmBuenos Aires Ministro Pistarini
29h 44m
2 stops
BOS8:44 pmBoston Logan Intl
Air Canada
Apr 30
BOS10:50 amBoston Logan Intl
26h 40m
3 stops
EZE2:30 pmBuenos Aires Ministro Pistarini
May 7
EZE4:35 pmBuenos Aires Ministro Pistarini
26h 22m
3 stops
BOS5:57 pmBoston Logan Intl

See travel insights to Buenos Aires from

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

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 October. Flight prices, which tend to average around $1,053, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of October, then book flights to Buenos Aires from Boston during May instead. Flights to Buenos Aires in May, while not as cheap as those in October, still average around $1,073.

What is the cheapest day to depart on your flight to Buenos Aires?

On average, the least expensive day to fly to Buenos Aires from Boston is on a Monday. momondo users have found tickets for Monday departures for as low as $1,088. However, this price may fluctuate depending on the airline, the season, and holidays. Be sure to avoid booking your departure on a Friday as prices are generally higher than usual. According to our data, the average ticket price to Buenos Aires on Friday is $1,303.

What is the cheapest time of day to depart on your flight to Buenos Aires?

Our most recent data shows that the best time of day to fly to Buenos Aires is in the morning. Flights from Boston to Buenos Aires during this time can be as low as $1,079. Try not to purchase tickets at noon because they tend to be around $1,280. Of course, these prices can vary depending on the time of year and what airport you fly to.

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

You are more likely to see cheaper flights to Buenos Aires from Boston when booking 9 weeks ahead of your departure date. In general, you can expect to find flights to Buenos Aires for around $1,181 when searching 9 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 $1,046 on momondo.

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

As of January 2025, prices for Boston to Buenos Aires flights are approximately 1% more expensive 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

Best Price Found

$338

Fastest flight time

13h 50m

Direct flights

None

Airports in Buenos Aires

2 airports
The best one-way flight to Buenos Aires from Boston in the past 72 hours is $338. The best round-trip flight deal from Boston to Buenos Aires found on momondo in the last 72 hours is $757.
The fastest flight from Boston to Buenos Aires takes 13h 50m
There are no direct flights from Boston to Buenos Aires. Popular non-direct routes for this connection are Boston Logan Intl Airport - Buenos Aires Jorge Newbery Airport and Boston Logan Intl Airport - Buenos Aires Ministro Pistarini Airport.
There are 2 airports near Buenos Aires: Buenos Aires Ministro Pistarini (EZE), Buenos Aires Jorge Newbery (AEP)

  • 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 50m.

  • 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?

  • 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?


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 AirlinesPriceFrom $474Free CancellationRating
7.5
1,858 reviews
Search LATAM Airlines flights
AviancaPriceFrom $603Free CancellationRating
6.9
2,579 reviews
Search Avianca flights
Copa AirlinesPriceFrom $758Free CancellationRating
7.6
1,661 reviews
Search Copa Airlines flights
AeromexicoPriceFrom $895Free CancellationRating
7.5
1,849 reviews
Search Aeromexico flights
American AirlinesPriceFrom $953Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
United AirlinesPriceFrom $993Free CancellationRating
7.4
8,982 reviews
Search United Airlines flights
DeltaPriceFrom $993Free CancellationRating
8.0
8,521 reviews
Search Delta 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.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
From?
To?
Sat 1/25
Sat 2/1
Email me momondo's favorite deals

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