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Cheap flights from Massachusetts to Buenos Aires from $320

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Massachusetts to Buenos Aires departing on 4/9. 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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Find the cheapest flights from Massachusetts to Buenos Aires

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
7:55 am - 9:30 pm
BOS
-
AEP
35h 35m2 stops
Multiple Airlines Logo
9:50 am - 4:45 pm
AEP
-
BOS
32h 55m3 stops
$863Multiple Airlines
Thu, Feb 5 - Thu, Feb 12
Air Canada Logo
3:35 pm - 2:30 pm
BOS
-
EZE
21h 55m2 stops
Air Canada Logo
4:30 pm - 9:52 am
EZE
-
BOS
18h 22m2 stops
$863Air Canada
Wed, Apr 1 - Thu, Apr 9
Multiple Airlines Logo
5:23 pm - 7:15 pm
BOS
-
EZE
23h 52m1 stop
Multiple Airlines Logo
6:40 am - 4:19 pm
EZE
-
BOS
35h 39m3 stops
$865Multiple Airlines
Tue, Jan 20 - Tue, Jan 27
Multiple Airlines Logo
7:15 am - 6:55 am
BOS
-
EZE
45h 40m2 stops
Multiple Airlines Logo
11:00 am - 11:59 pm
EZE
-
BOS
14h 59m1 stop
$866Multiple Airlines
Mon, Dec 29 - Thu, Feb 12
Multiple Airlines Logo
7:00 am - 4:10 am
BOS
-
EZE
43h 10m3 stops
Multiple Airlines Logo
12:00 pm - 2:50 pm
EZE
-
BOS
27h 50m3 stops
$867Multiple Airlines
Wed, Mar 4 - Thu, Mar 19
Air Canada Logo
6:40 pm - 3:10 pm
BOS
-
EZE
43h 30m3 stops
Air Canada Logo
4:30 pm - 2:52 pm
EZE
-
BOS
23h 22m2 stops
$869Air Canada
Wed, Mar 18 - Thu, Apr 9
United Airlines Logo
7:46 pm - 9:20 am
BDL
-
EZE
35h 34m2 stops
United Airlines Logo
9:00 pm - 11:50 pm
EZE
-
BDL
27h 50m2 stops
$1,020United Airlines
Sat, Feb 14 - Tue, Apr 21
LATAM Airlines Logo
5:33 pm - 9:35 am
BDL
-
EZE
38h 02m2 stops
LATAM Airlines Logo
8:10 pm - 10:50 am
EZE
-
BDL
15h 40m1 stop
$1,023LATAM Airlines
Sat, Feb 14 - Tue, Apr 21
LATAM Airlines Logo
5:33 pm - 9:35 am
BDL
-
EZE
38h 02m2 stops
LATAM Airlines Logo
7:35 am - 1:20 pm
EZE
-
BDL
30h 45m3 stops
$1,026LATAM Airlines
Sat, Feb 14 - Tue, Apr 21
United Airlines Logo
6:00 am - 7:20 am
BDL
-
EZE
47h 20m2 stops
United Airlines Logo
9:00 pm - 1:58 pm
EZE
-
BDL
17h 58m2 stops
$1,038United Airlines
Sat, Feb 14 - Tue, Apr 21

LATAM Airlines flights from Massachusetts to Buenos Aires

Our best LATAM Airlines deals on Massachusetts to Buenos Aires flight tickets
LATAM Airlines
May 17
BOS9:55 amBoston Logan Intl
23h 35m
1 stop
AEP10:30 amBuenos Aires Jorge Newbery
May 23
AEP8:05 pmBuenos Aires Jorge Newbery
17h 36m
2 stops
BOS12:41 pmBoston Logan Intl
$886
Find similar
LATAM Airlines
Feb 12
BOS3:50 pmBoston Logan Intl
15h 45m
1 stop
EZE9:35 amBuenos Aires Ministro Pistarini
Feb 18
EZE9:55 pmBuenos Aires Ministro Pistarini
34h 40m
1 stop
BOS6:35 amBoston Logan Intl
$901
Find similar
LATAM Airlines
Feb 3
BOS3:30 pmBoston Logan Intl
15h 30m
1 stop
EZE9:00 amBuenos Aires Ministro Pistarini
Feb 7
EZE2:25 amBuenos Aires Ministro Pistarini
30h 10m
1 stop
BOS6:35 amBoston Logan Intl
$904
Find similar

United Airlines flights from Massachusetts to Buenos Aires

Our best United Airlines deals on Massachusetts to Buenos Aires flight tickets
United Airlines
Feb 14
BDL7:46 pmHartford Bradley Intl
35h 34m
2 stops
EZE9:20 amBuenos Aires Ministro Pistarini
Apr 21
EZE9:00 pmBuenos Aires Ministro Pistarini
27h 50m
2 stops
BDL11:50 pmHartford Bradley Intl
$1,020
Find similar
United Airlines
Feb 14
BDL6:00 amHartford Bradley Intl
47h 20m
2 stops
EZE7:20 amBuenos Aires Ministro Pistarini
Apr 21
EZE9:00 pmBuenos Aires Ministro Pistarini
17h 58m
2 stops
BDL1:58 pmHartford Bradley Intl
$1,038
Find similar
United Airlines
Jan 29
BDL10:07 amHartford Bradley Intl
21h 13m
2 stops
EZE9:20 amBuenos Aires Ministro Pistarini
Feb 5
EZE11:55 pmBuenos Aires Ministro Pistarini
21h 18m
2 stops
BDL7:13 pmHartford Bradley Intl
$1,055
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Massachusetts to Buenos Aires 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 December 17, 2025.
Use the filters below to find and compare flights from Massachusetts to Buenos Aires that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BostonBuenos Aires

BOS - AEP

BOSAEP

Boston Logan Intl

Thu 2/5

7:55 am-9:30 pm

2 stops35h 35m

Buenos Aires Jorge Newbery

Thu 2/12

9:50 am-4:45 pm

3 stops32h 55m

$863

BostonBuenos Aires

BOS - EZE

BOSEZE

Boston Logan Intl

Wed 4/1

3:35 pm-2:30 pm

2 stops21h 55m

Buenos Aires Ministro Pistarini

Thu 4/9

4:30 pm-9:52 am

2 stops18h 22m

$863

BostonBuenos Aires

BOS - EZE

BOSEZE

Boston Logan Intl

Tue 1/20

5:23 pm-7:15 pm

1 stop23h 52m

Buenos Aires Ministro Pistarini

Tue 1/27

6:40 am-4:19 pm

3 stops35h 39m

$865

BostonBuenos Aires

BOS - EZE

BOSEZE

Boston Logan Intl

Mon 12/29

7:15 am-6:55 am

2 stops45h 40m

Buenos Aires Ministro Pistarini

Thu 2/12

11:00 am-11:59 pm

1 stop14h 59m

$866

BostonBuenos Aires

BOS - EZE

BOSEZE

Boston Logan Intl

Wed 3/4

7:00 am-4:10 am

3 stops43h 10m

Buenos Aires Ministro Pistarini

Thu 3/19

12:00 pm-2:50 pm

3 stops27h 50m

$867

BostonBuenos Aires

BOS - EZE

BOSEZE

Boston Logan Intl

Wed 3/18

6:40 pm-3:10 pm

3 stops43h 30m

Buenos Aires Ministro Pistarini

Thu 4/9

4:30 pm-2:52 pm

2 stops23h 22m

$869

HartfordBuenos Aires

BDL - EZE

BDLEZE

Hartford Bradley Intl

Sat 2/14

7:46 pm-9:20 am

2 stops35h 34m

Buenos Aires Ministro Pistarini

Tue 4/21

9:00 pm-11:50 pm

2 stops27h 50m

$1,020

HartfordBuenos Aires

BDL - EZE

BDLEZE

Hartford Bradley Intl

Sat 2/14

5:33 pm-9:35 am

2 stops38h 02m

Buenos Aires Ministro Pistarini

Tue 4/21

8:10 pm-10:50 am

1 stop15h 40m

$1,023

HartfordBuenos Aires

BDL - EZE

BDLEZE

Hartford Bradley Intl

Sat 2/14

5:33 pm-9:35 am

2 stops38h 02m

Buenos Aires Ministro Pistarini

Tue 4/21

7:35 am-1:20 pm

3 stops30h 45m

$1,026

HartfordBuenos Aires

BDL - EZE

BDLEZE

Hartford Bradley Intl

Sat 2/14

6:00 am-7:20 am

2 stops47h 20m

Buenos Aires Ministro Pistarini

Tue 4/21

9:00 pm-1:58 pm

2 stops17h 58m

$1,038

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Buenos Aires from

How to get the cheapest flight ticket from Massachusetts 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 cheapest month to fly to Buenos Aires?

The cheapest month to fly to Buenos Aires from Massachusetts is in September. Flight prices, which tend to average around $1,035, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of September, then book flights to Buenos Aires from Massachusetts during November instead. Flights to Buenos Aires in November, while not as cheap as those in September, still average around $1,083.

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 Massachusetts 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 Massachusetts 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 Massachusetts when booking weeks ahead of your departure date. In general, you can expect to find flights to Buenos Aires for around $1,223 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Buenos Aires from Massachusetts for as low as $1,038 on momondo.

Cheap Massachusetts to Buenos Aires flight deals and tips

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

Fastest flight time

13h 40m

Direct flights

None
The fastest flight from Massachusetts to Buenos Aires takes 13h 40m
There are no direct flights from Massachusetts to Buenos Aires. There are no popular flight routes from Massachusetts to Buenos Aires.
Search flight deals

  • When did momondo last update prices for flights from Massachusetts to Buenos Aires?

    Prices for flights from Massachusetts to Buenos Aires are updated daily.

  • How many operators does momondo search for flights from Massachusetts to Buenos Aires?

  • How old do you have to be to fly from Massachusetts to Buenos Aires?

    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 Massachusetts to Buenos Aires.

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

    The required travel and health documents for your Buenos Aires trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Buenos Aires. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from Massachusetts to Buenos Aires

Compare and see reviews for airlines that fly from Massachusetts to Buenos Aires with momondo
Airline
Rating
Free Cancellation
Price
LATAM AirlinesPriceFrom $571Free CancellationRating
7.5
1,893 reviews
Search LATAM Airlines flights
AviancaPriceFrom $700Free CancellationRating
6.6
2,490 reviews
Search Avianca flights
Copa AirlinesPriceFrom $796Free CancellationRating
7.6
1,556 reviews
Search Copa Airlines flights
United AirlinesPriceFrom $861Free CancellationRating
7.4
9,091 reviews
Search United Airlines flights
DeltaPriceFrom $908Free CancellationRating
7.9
8,007 reviews
Search Delta flights
American AirlinesPriceFrom $1,011Free CancellationRating
7.2
11,054 reviews
Search American Airlines flights

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Massachusetts to Buenos Aires for you.

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

Yes. momondo enables you to select and highlight flights to Buenos Aires from Massachusetts with this policy.

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

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 Massachusetts to Buenos Aires.

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

If you are simply researching potential flights to Buenos Aires, momondo offers a useful price alert feature which will track prices for flights to Buenos Aires from Massachusetts and alert you when they change.

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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
Buenos Aires Jorge Newbery Airport
Buenos Aires Ministro Pistarini Airport