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Cheap flights from Boston to Buenos Aires from $403

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 5/27. 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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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
11:20 am - 8:30 am
BOS
-
AEP
20h 10m
2 stops
Multiple Airlines Logo
5:27 am - 11:54 pm
AEP
-
BOS
43h 27m
3 stops
$874Multiple Airlines
Fri, Apr 24 - Fri, May 8
LATAM Airlines Logo
9:55 am - 9:00 am
BOS
-
AEP
22h 05m
2 stops
LATAM Airlines Logo
5:00 pm - 7:35 am
AEP
-
BOS
15h 35m
1 stop
$875LATAM Airlines
Thu, May 7 - Tue, May 12
LATAM Airlines Logo
9:55 am - 9:00 am
BOS
-
AEP
22h 05m
2 stops
LATAM Airlines Logo
2:55 pm - 7:35 am
AEP
-
BOS
17h 40m
2 stops
$899LATAM Airlines
Thu, May 7 - Tue, May 12
Multiple Airlines Logo
11:20 am - 11:00 am
BOS
-
AEP
22h 40m
3 stops
Multiple Airlines Logo
5:27 am - 9:42 pm
AEP
-
BOS
41h 15m
3 stops
$920Multiple Airlines
Sun, Apr 26 - Thu, May 7
Multiple Airlines Logo
11:20 am - 8:40 pm
BOS
-
AEP
32h 20m
3 stops
Multiple Airlines Logo
5:27 am - 11:54 pm
AEP
-
BOS
43h 27m
3 stops
$923Multiple Airlines
Fri, Apr 24 - Fri, May 8
LATAM Airlines Logo
3:00 pm - 2:50 pm
BOS
-
AEP
22h 50m
2 stops
LATAM Airlines Logo
11:45 am - 7:35 am
AEP
-
BOS
20h 50m
1 stop
$930LATAM Airlines
Mon, Sep 28 - Wed, Sep 30
Multiple Airlines Logo
5:45 am - 4:00 pm
BOS
-
AEP
33h 15m
3 stops
Multiple Airlines Logo
8:05 pm - 9:42 pm
AEP
-
BOS
26h 37m
3 stops
$933Multiple Airlines
Mon, Jun 1 - Sat, Jun 6
Multiple Airlines Logo
5:45 am - 5:40 am
BOS
-
AEP
22h 55m
2 stops
Multiple Airlines Logo
5:27 am - 11:54 pm
AEP
-
BOS
43h 27m
3 stops
$949Multiple Airlines
Thu, May 7 - Thu, May 14
Multiple Airlines Logo
10:25 am - 3:30 pm
BOS
-
AEP
28h 05m
3 stops
Multiple Airlines Logo
5:45 am - 11:54 pm
AEP
-
BOS
43h 09m
3 stops
$970Multiple Airlines
Fri, May 1 - Tue, May 5
Multiple Airlines Logo
7:00 am - 8:40 pm
BOS
-
AEP
36h 40m
3 stops
Multiple Airlines Logo
5:27 am - 11:54 pm
AEP
-
BOS
43h 27m
3 stops
$971Multiple Airlines
Fri, May 8 - Fri, May 15

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 7
BOS9:55 amBoston Logan Intl
22h 05m
2 stops
AEP9:00 amBuenos Aires Jorge Newbery
May 12
AEP5:00 pmBuenos Aires Jorge Newbery
15h 35m
1 stop
BOS7:35 amBoston Logan Intl
$875
LATAM Airlines
May 7
BOS9:55 amBoston Logan Intl
22h 05m
2 stops
AEP9:00 amBuenos Aires Jorge Newbery
May 12
AEP2:55 pmBuenos Aires Jorge Newbery
17h 40m
2 stops
BOS7:35 amBoston Logan Intl
$899
LATAM Airlines
Apr 26
BOS9:55 amBoston Logan Intl
22h 05m
2 stops
AEP9:00 amBuenos Aires Jorge Newbery
May 7
AEP10:35 amBuenos Aires Jorge Newbery
22h 00m
1 stop
BOS7:35 amBoston Logan Intl
$986

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
Apr 13
BOS4:50 pmBoston Logan Intl
35h 50m
2 stops
AEP5:40 amBuenos Aires Jorge Newbery
Apr 20
AEP7:00 amBuenos Aires Jorge Newbery
25h 10m
1 stop
BOS7:10 amBoston Logan Intl
$1,188
Avianca
Apr 23
BOS8:45 amBoston Logan Intl
19h 55m
1 stop
AEP5:40 amBuenos Aires Jorge Newbery
May 29
AEP7:00 amBuenos Aires Jorge Newbery
24h 50m
1 stop
BOS6:50 amBoston Logan Intl
$1,222

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 April 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

Fri 4/24

11:20 am-8:30 am

2 stops20h 10m

Buenos Aires Jorge Newbery

Fri 5/8

5:27 am-11:54 pm

3 stops43h 27m

$874
Quickest round-trip

BostonBuenos Aires

BOS - AEP

BOSAEP

Boston Logan Intl

Thu 5/7

9:55 am-9:00 am

2 stops22h 05m

Buenos Aires Jorge Newbery

Tue 5/12

5:00 pm-7:35 am

1 stop15h 35m

$875

BostonBuenos Aires

BOS - AEP

BOSAEP

Boston Logan Intl

Thu 5/7

9:55 am-9:00 am

2 stops22h 05m

Buenos Aires Jorge Newbery

Tue 5/12

2:55 pm-7:35 am

2 stops17h 40m

$899

BostonBuenos Aires

BOS - AEP

BOSAEP

Boston Logan Intl

Sun 4/26

11:20 am-11:00 am

3 stops22h 40m

Buenos Aires Jorge Newbery

Thu 5/7

5:27 am-9:42 pm

3 stops41h 15m

$920

BostonBuenos Aires

BOS - AEP

BOSAEP

Boston Logan Intl

Fri 4/24

11:20 am-8:40 pm

3 stops32h 20m

Buenos Aires Jorge Newbery

Fri 5/8

5:27 am-11:54 pm

3 stops43h 27m

$923

BostonBuenos Aires

BOS - AEP

BOSAEP

Boston Logan Intl

Mon 9/28

3:00 pm-2:50 pm

2 stops22h 50m

Buenos Aires Jorge Newbery

Wed 9/30

11:45 am-7:35 am

1 stop20h 50m

$930

BostonBuenos Aires

BOS - AEP

BOSAEP

Boston Logan Intl

Mon 6/1

5:45 am-4:00 pm

3 stops33h 15m

Buenos Aires Jorge Newbery

Sat 6/6

8:05 pm-9:42 pm

3 stops26h 37m

$933

BostonBuenos Aires

BOS - AEP

BOSAEP

Boston Logan Intl

Thu 5/7

5:45 am-5:40 am

2 stops22h 55m

Buenos Aires Jorge Newbery

Thu 5/14

5:27 am-11:54 pm

3 stops43h 27m

$949

BostonBuenos Aires

BOS - AEP

BOSAEP

Boston Logan Intl

Fri 5/1

10:25 am-3:30 pm

3 stops28h 05m

Buenos Aires Jorge Newbery

Tue 5/5

5:45 am-11:54 pm

3 stops43h 09m

$970

BostonBuenos Aires

BOS - AEP

BOSAEP

Boston Logan Intl

Fri 5/8

7:00 am-8:40 pm

3 stops36h 40m

Buenos Aires Jorge Newbery

Fri 5/15

5:27 am-11:54 pm

3 stops43h 27m

$971

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

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

Avianca and LATAM Airlines are the most popular carriers operating from Boston Logan Intl to Buenos Aires Jorge Newbery

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 40m

Direct flights

None
The fastest flight from Boston to Buenos Aires Jorge Newbery Airport takes 17h 40m
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 17h 40m.

  • 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
1,910 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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