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Cheap flights from Boston to Buenos Aires from $348

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 3/14. 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

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Find the cheapest flights from Boston to Buenos Aires

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
9:55 am - 4:30 am
BOS
-
AEP
17h 35m1 stop
Multiple Airlines Logo
11:20 pm - 7:35 am
AEP
-
BOS
33h 15m2 stops
$866Multiple Airlines
Sun, Apr 19 - Mon, Apr 27
Multiple Airlines Logo
8:55 am - 9:30 pm
BOS
-
AEP
34h 35m1 stop
Multiple Airlines Logo
3:55 pm - 11:28 am
AEP
-
BOS
20h 33m2 stops
$872Multiple Airlines
Fri, Mar 6 - Sun, Mar 15
LATAM Airlines Logo
3:00 pm - 2:45 pm
BOS
-
AEP
22h 45m2 stops
LATAM Airlines Logo
6:20 pm - 7:35 am
AEP
-
BOS
14h 15m1 stop
$881LATAM Airlines
Sun, May 17 - Sat, May 23
Multiple Airlines Logo
5:34 am - 8:30 am
BOS
-
AEP
24h 56m2 stops
Multiple Airlines Logo
6:20 pm - 11:19 pm
AEP
-
BOS
30h 59m3 stops
$883Multiple Airlines
Fri, Jan 23 - Sun, Feb 8
Multiple Airlines Logo
9:55 am - 9:40 am
BOS
-
AEP
22h 45m1 stop
Multiple Airlines Logo
10:10 pm - 7:35 am
AEP
-
BOS
34h 25m2 stops
$899Multiple Airlines
Fri, Mar 13 - Sun, Mar 22
Multiple Airlines Logo
3:07 pm - 12:20 pm
BOS
-
AEP
19h 13m2 stops
Multiple Airlines Logo
2:30 pm - 10:03 pm
AEP
-
BOS
33h 33m2 stops
$900Multiple Airlines
Fri, Jan 23 - Sun, Feb 8
Multiple Airlines Logo
8:55 am - 9:40 am
BOS
-
AEP
22h 45m1 stop
Multiple Airlines Logo
4:20 pm - 7:35 am
AEP
-
BOS
16h 15m1 stop
$908Multiple Airlines
Fri, Mar 6 - Sun, Mar 15
LATAM Airlines Logo
9:55 am - 9:00 am
BOS
-
AEP
22h 05m2 stops
LATAM Airlines Logo
3:40 pm - 2:50 pm
AEP
-
BOS
24h 10m2 stops
$922LATAM Airlines
Sun, Apr 12 - Sat, Apr 18
Multiple Airlines Logo
8:55 am - 10:00 am
BOS
-
AEP
24h 05m2 stops
Multiple Airlines Logo
10:55 pm - 7:35 am
AEP
-
BOS
33h 40m1 stop
$924Multiple Airlines
Tue, Mar 10 - Wed, Mar 18
Multiple Airlines Logo
9:55 am - 4:30 am
BOS
-
AEP
17h 35m1 stop
Multiple Airlines Logo
9:35 am - 7:15 am
AEP
-
BOS
22h 40m2 stops
$925Multiple Airlines
Sun, Apr 19 - Fri, Apr 24

LATAM Airlines flights from Boston to Buenos Aires Jorge Newbery Airport

Our best LATAM Airlines deals on Boston to Buenos Aires Jorge Newbery Airport flight tickets
LATAM Airlines
May 17
BOS3:00 pmBoston Logan Intl
22h 45m
2 stops
AEP2:45 pmBuenos Aires Jorge Newbery
May 23
AEP6:20 pmBuenos Aires Jorge Newbery
14h 15m
1 stop
BOS7:35 amBoston Logan Intl
$881
Find similar
LATAM Airlines
Apr 18
BOS3:20 pmBoston Logan Intl
22h 25m
2 stops
AEP2:45 pmBuenos Aires Jorge Newbery
Apr 23
AEP11:45 amBuenos Aires Jorge Newbery
20h 50m
1 stop
BOS7:35 amBoston Logan Intl
$912
Find similar
LATAM Airlines
Apr 12
BOS9:55 amBoston Logan Intl
22h 05m
2 stops
AEP9:00 amBuenos Aires Jorge Newbery
Apr 18
AEP3:40 pmBuenos Aires Jorge Newbery
24h 10m
2 stops
BOS2:50 pmBoston Logan Intl
$922
Find similar

Avianca flights from Boston to Buenos Aires Jorge Newbery Airport

Our best Avianca deals on Boston to Buenos Aires Jorge Newbery Airport flight tickets
Avianca
May 2
BOS9:00 amBoston Logan Intl
19h 40m
1 stop
AEP5:40 amBuenos Aires Jorge Newbery
May 22
AEP7:00 amBuenos Aires Jorge Newbery
25h 15m
1 stop
BOS7:15 amBoston Logan Intl
$1,001
Find similar
Avianca
Apr 26
BOS4:50 pmBoston Logan Intl
35h 50m
2 stops
AEP5:40 amBuenos Aires Jorge Newbery
May 13
AEP7:00 amBuenos Aires Jorge Newbery
25h 15m
1 stop
BOS7:15 amBoston Logan Intl
$1,020
Find similar
Avianca
Dec 28
BOS3:25 pmBoston Logan Intl
36h 15m
2 stops
AEP5:40 amBuenos Aires Jorge Newbery
Jan 3
AEP7:00 amBuenos Aires Jorge Newbery
29h 37m
2 stops
BOS10:37 amBoston Logan Intl
$2,446
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Boston to Buenos Aires Jorge Newbery Airport 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 28, 2025.
Use the filters below to find and compare flights from Boston to Buenos Aires Jorge Newbery Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BostonBuenos Aires

BOS - AEP

BOSAEP

Boston Logan Intl

Sun 4/19

9:55 am-4:30 am

1 stop17h 35m

Buenos Aires Jorge Newbery

Mon 4/27

11:20 pm-7:35 am

2 stops33h 15m

$866

BostonBuenos Aires

BOS - AEP

BOSAEP

Boston Logan Intl

Fri 3/6

8:55 am-9:30 pm

1 stop34h 35m

Buenos Aires Jorge Newbery

Sun 3/15

3:55 pm-11:28 am

2 stops20h 33m

$872

BostonBuenos Aires

BOS - AEP

BOSAEP

Boston Logan Intl

Sun 5/17

3:00 pm-2:45 pm

2 stops22h 45m

Buenos Aires Jorge Newbery

Sat 5/23

6:20 pm-7:35 am

1 stop14h 15m

$881

BostonBuenos Aires

BOS - AEP

BOSAEP

Boston Logan Intl

Fri 1/23

5:34 am-8:30 am

2 stops24h 56m

Buenos Aires Jorge Newbery

Sun 2/8

6:20 pm-11:19 pm

3 stops30h 59m

$883

BostonBuenos Aires

BOS - AEP

BOSAEP

Boston Logan Intl

Fri 3/13

9:55 am-9:40 am

1 stop22h 45m

Buenos Aires Jorge Newbery

Sun 3/22

10:10 pm-7:35 am

2 stops34h 25m

$899

BostonBuenos Aires

BOS - AEP

BOSAEP

Boston Logan Intl

Fri 1/23

3:07 pm-12:20 pm

2 stops19h 13m

Buenos Aires Jorge Newbery

Sun 2/8

2:30 pm-10:03 pm

2 stops33h 33m

$900

BostonBuenos Aires

BOS - AEP

BOSAEP

Boston Logan Intl

Fri 3/6

8:55 am-9:40 am

1 stop22h 45m

Buenos Aires Jorge Newbery

Sun 3/15

4:20 pm-7:35 am

1 stop16h 15m

$908

BostonBuenos Aires

BOS - AEP

BOSAEP

Boston Logan Intl

Sun 4/12

9:55 am-9:00 am

2 stops22h 05m

Buenos Aires Jorge Newbery

Sat 4/18

3:40 pm-2:50 pm

2 stops24h 10m

$922

BostonBuenos Aires

BOS - AEP

BOSAEP

Boston Logan Intl

Tue 3/10

8:55 am-10:00 am

2 stops24h 05m

Buenos Aires Jorge Newbery

Wed 3/18

10:55 pm-7:35 am

1 stop33h 40m

$924

BostonBuenos Aires

BOS - AEP

BOSAEP

Boston Logan Intl

Sun 4/19

9:55 am-4:30 am

1 stop17h 35m

Buenos Aires Jorge Newbery

Fri 4/24

9:35 am-7:15 am

2 stops22h 40m

$925

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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When to book flights from Boston to Buenos Aires Jorge Newbery Airport

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

Cheap Boston to Buenos Aires Jorge Newbery Airport (BOS to AEP) flight deals and tips

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

Fastest flight time

17h 25m

Direct flights

None
The fastest flight from Boston to Buenos Aires Jorge Newbery Airport takes 17h 25m
There are no direct flights from Boston to Buenos Aires Jorge Newbery Airport. There are no popular flight routes from Boston to Buenos Aires Jorge Newbery Airport.
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  • How far is Boston Logan Intl to Buenos Aires Jorge Newbery by plane?

    There are 5370.8 mi between Boston Logan Intl and Buenos Aires Jorge Newbery. By plane, this route typically takes 17h 25m.

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

    Prices for flights from Boston Logan Intl Airport to Buenos Aires Jorge Newbery Airport are updated daily.

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

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

    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 Jorge Newbery Airport.

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

    The necessary travel and health documents for your Buenos Aires Jorge Newbery Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from Boston to Buenos Aires Jorge Newbery Airport?

Best airlines flying from Boston to Buenos Aires Jorge Newbery Airport

Compare and see reviews for airlines that fly from Boston to Buenos Aires Jorge Newbery Airport with momondo
Airline
Rating
Free Cancellation
Price
LATAM AirlinesPriceFrom $745Free CancellationRating
7.5
1,895 reviews
Search LATAM Airlines flights

  • How do I get Price Alerts for flights from Boston to Buenos Aires Jorge Newbery Airport?

    You can take advantage of momondo’s Price Alerts by first searching for your flights to Boston from Buenos Aires Jorge Newbery Airport. Flight offers will be shown to you in real-time. From there you can create a Price Alert by using our on-site widget.

  • How can I save money on flights from Boston to Buenos Aires Jorge Newbery Airport with momondo?

    Plan your trips smart with the “Price Forecast” feature, which uses flight data to help you pick the best days to fly for the lowest fares. Our “Price Calendar” helps you get the most for your money by showing you when it’s most advantageous to fly. Curate your own travel experiences for less with “Explore”. Expert travel hacks to fuel your next adventure are a click away with “Discover” by momondo. Set up our “Price Alerts” to track fare changes and book when prices are at their lowest point.

  • How does momondo find its flight prices?

    We aggregate our prices from over 700+ competitors from airlines to OTAs. We operate in over 30 markets worldwide to show you a wide range of travel options.

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Boston to Buenos Aires. momondo saves you time and could save you money on your trip.

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

All flight searches from Boston to Buenos Aires on momondo can be filtered to show those which offer flexible booking policies.

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?

Of course. momondo tracks the price of Boston to Buenos Aires flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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