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Cheap flights from Boston to Buenos Aires from $323

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 8/29. 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
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Boston to Buenos Aires

Cheap round-trip flights

Enter your travel dates to find the best prices.
LATAM Airlines Logo
8:55 am - 12:00 pm
BOS
-
AEP
25h 05m
1 stop
LATAM Airlines Logo
11:30 am - 1:47 pm
AEP
-
BOS
28h 17m
2 stops
$788LATAM Airlines
Mon, Nov 16 - Thu, Nov 19
Multiple Airlines Logo
7:15 am - 6:30 pm
BOS
-
AEP
34h 15m
2 stops
Multiple Airlines Logo
3:50 pm - 4:47 pm
AEP
-
BOS
25h 57m
2 stops
$793Multiple Airlines
Thu, Oct 22 - Tue, Oct 27
LATAM Airlines Logo
3:05 pm - 2:50 pm
BOS
-
AEP
22h 45m
2 stops
LATAM Airlines Logo
8:05 pm - 12:45 pm
AEP
-
BOS
17h 40m
2 stops
$823LATAM Airlines
Fri, Sep 11 - Mon, Sep 14
Multiple Airlines Logo
5:45 am - 8:30 am
BOS
-
AEP
25h 45m
2 stops
Multiple Airlines Logo
9:00 pm - 3:34 pm
AEP
-
BOS
19h 34m
2 stops
$850Multiple Airlines
Sun, Oct 25 - Sat, Oct 31
Multiple Airlines Logo
3:57 pm - 11:20 am
BOS
-
AEP
42h 23m
2 stops
Multiple Airlines Logo
7:00 am - 6:50 am
AEP
-
BOS
24h 50m
1 stop
$866Multiple Airlines
Fri, Aug 14 - Fri, Aug 28
LATAM Airlines Logo
4:20 pm - 4:00 pm
BOS
-
AEP
21h 40m
2 stops
LATAM Airlines Logo
5:35 pm - 11:19 am
AEP
-
BOS
19h 44m
2 stops
$901LATAM Airlines
Wed, Nov 4 - Thu, Nov 12
LATAM Airlines Logo
7:00 am - 8:30 am
BOS
-
AEP
23h 30m
2 stops
LATAM Airlines Logo
2:55 pm - 11:19 am
AEP
-
BOS
22h 24m
2 stops
$906LATAM Airlines
Mon, Nov 16 - Thu, Nov 19
Multiple Airlines Logo
3:57 pm - 11:20 am
BOS
-
AEP
18h 23m
2 stops
Multiple Airlines Logo
7:00 am - 6:50 am
AEP
-
BOS
24h 50m
1 stop
$916Multiple Airlines
Fri, Aug 14 - Fri, Aug 28
Multiple Airlines Logo
3:57 pm - 11:20 am
BOS
-
AEP
18h 23m
2 stops
Multiple Airlines Logo
7:00 am - 6:50 am
AEP
-
BOS
24h 50m
1 stop
$917Multiple Airlines
Fri, Aug 14 - Fri, Aug 28
LATAM Airlines Logo
4:20 pm - 6:40 pm
BOS
-
AEP
24h 20m
2 stops
LATAM Airlines Logo
10:35 am - 6:45 am
AEP
-
BOS
22h 10m
1 stop
$922LATAM Airlines
Fri, Nov 27 - Fri, Dec 4

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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
Nov 16
BOS8:55 amBoston Logan Intl
25h 05m
1 stop
AEP12:00 pmBuenos Aires Jorge Newbery
Nov 19
AEP11:30 amBuenos Aires Jorge Newbery
28h 17m
2 stops
BOS1:47 pmBoston Logan Intl
$788
LATAM Airlines
Sep 11
BOS3:05 pmBoston Logan Intl
22h 45m
2 stops
AEP2:50 pmBuenos Aires Jorge Newbery
Sep 14
AEP8:05 pmBuenos Aires Jorge Newbery
17h 40m
2 stops
BOS12:45 pmBoston Logan Intl
$823
LATAM Airlines
Nov 4
BOS4:20 pmBoston Logan Intl
21h 40m
2 stops
AEP4:00 pmBuenos Aires Jorge Newbery
Nov 12
AEP5:35 pmBuenos Aires Jorge Newbery
19h 44m
2 stops
BOS11:19 amBoston Logan Intl
$901

Delta flights from Boston to Buenos Aires Jorge Newbery Airport

Our best Delta deals on Boston to Buenos Aires Jorge Newbery Airport flight tickets
Delta
Oct 11
BOS9:55 amBoston Logan Intl
25h 05m
1 stop
AEP12:00 pmBuenos Aires Jorge Newbery
Oct 17
AEP6:20 pmBuenos Aires Jorge Newbery
21h 13m
2 stops
BOS2:33 pmBoston Logan Intl
$927
Delta
Oct 11
BOS9:55 amBoston Logan Intl
25h 05m
1 stop
AEP12:00 pmBuenos Aires Jorge Newbery
Oct 19
AEP8:05 pmBuenos Aires Jorge Newbery
19h 28m
2 stops
BOS2:33 pmBoston Logan Intl
$970
Delta
Oct 25
BOS9:55 amBoston Logan Intl
20h 45m
2 stops
AEP7:40 amBuenos Aires Jorge Newbery
Oct 31
AEP8:05 pmBuenos Aires Jorge Newbery
17h 14m
2 stops
BOS12:19 pmBoston Logan Intl
$1,009

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 July 10, 2026.
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

Cheapest round-trip

BostonBuenos Aires

BOS - AEP

BOSAEP

Boston Logan Intl

Mon 11/16

8:55 am-12:00 pm

1 stop25h 05m

Buenos Aires Jorge Newbery

Thu 11/19

11:30 am-1:47 pm

2 stops28h 17m

$788

BostonBuenos Aires

BOS - AEP

BOSAEP

Boston Logan Intl

Thu 10/22

7:15 am-6:30 pm

2 stops34h 15m

Buenos Aires Jorge Newbery

Tue 10/27

3:50 pm-4:47 pm

2 stops25h 57m

$793
Quickest round-trip

BostonBuenos Aires

BOS - AEP

BOSAEP

Boston Logan Intl

Fri 9/11

3:05 pm-2:50 pm

2 stops22h 45m

Buenos Aires Jorge Newbery

Mon 9/14

8:05 pm-12:45 pm

2 stops17h 40m

$823

BostonBuenos Aires

BOS - AEP

BOSAEP

Boston Logan Intl

Sun 10/25

5:45 am-8:30 am

2 stops25h 45m

Buenos Aires Jorge Newbery

Sat 10/31

9:00 pm-3:34 pm

2 stops19h 34m

$850

BostonBuenos Aires

BOS - AEP

BOSAEP

Boston Logan Intl

Fri 8/14

3:57 pm-11:20 am

2 stops42h 23m

Buenos Aires Jorge Newbery

Fri 8/28

7:00 am-6:50 am

1 stop24h 50m

$866

BostonBuenos Aires

BOS - AEP

BOSAEP

Boston Logan Intl

Wed 11/4

4:20 pm-4:00 pm

2 stops21h 40m

Buenos Aires Jorge Newbery

Thu 11/12

5:35 pm-11:19 am

2 stops19h 44m

$901

BostonBuenos Aires

BOS - AEP

BOSAEP

Boston Logan Intl

Mon 11/16

7:00 am-8:30 am

2 stops23h 30m

Buenos Aires Jorge Newbery

Thu 11/19

2:55 pm-11:19 am

2 stops22h 24m

$906

BostonBuenos Aires

BOS - AEP

BOSAEP

Boston Logan Intl

Fri 8/14

3:57 pm-11:20 am

2 stops18h 23m

Buenos Aires Jorge Newbery

Fri 8/28

7:00 am-6:50 am

1 stop24h 50m

$916

BostonBuenos Aires

BOS - AEP

BOSAEP

Boston Logan Intl

Fri 8/14

3:57 pm-11:20 am

2 stops18h 23m

Buenos Aires Jorge Newbery

Fri 8/28

7:00 am-6:50 am

1 stop24h 50m

$917

BostonBuenos Aires

BOS - AEP

BOSAEP

Boston Logan Intl

Fri 11/27

4:20 pm-6:40 pm

2 stops24h 20m

Buenos Aires Jorge Newbery

Fri 12/4

10:35 am-6:45 am

1 stop22h 10m

$922

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 Boston to Buenos Aires Jorge Newbery Airport

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

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

You could potentially save up to 31% on your flight if you consider stops on a Boston to Buenos Aires Jorge Newbery Airport flight.

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

18h 35m

Direct flights

None
The fastest flight from Boston to Buenos Aires Jorge Newbery Airport takes 18h 35m
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.
Search flight deals

Frequently asked questions about flying from Boston to Buenos Aires Jorge Newbery Airport

  • 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 18h 35m.

  • 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
7.4
1,952 reviews
Search LATAM Airlines flights

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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