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Cheap flights from Boston to Buenos Aires from $301

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 10/14. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Cheap round-trip flights

Avianca Logo
9:00 am - 5:40 amBOS-AEP
19h 40m1 stop
Avianca Logo
7:00 am - 6:35 amAEP-BOS
25h 35m1 stop
$795Avianca
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Thu, Oct 23 - Wed, Nov 5
Avianca Logo
9:00 am - 5:40 amBOS-AEP
19h 40m1 stop
Avianca Logo
7:00 am - 6:35 amAEP-BOS
25h 35m1 stop
$796Avianca
Find Deal
Thu, Oct 23 - Wed, Nov 5
Multiple Airlines Logo
7:55 am - 6:40 amBOS-AEP
20h 45m2 stops
Multiple Airlines Logo
7:00 am - 6:35 amAEP-BOS
25h 35m1 stop
$797Multiple Airlines
Find Deal
Thu, Nov 13 - Mon, Nov 17
Multiple Airlines Logo
9:55 am - 5:30 pmBOS-AEP
30h 35m1 stop
Multiple Airlines Logo
7:36 pm - 10:23 amAEP-BOS
40h 47m2 stops
$801Multiple Airlines
Find Deal
Mon, Oct 6 - Fri, Nov 14
Avianca Logo
3:25 pm - 5:40 amBOS-AEP
36h 15m2 stops
Avianca Logo
7:00 am - 6:35 amAEP-BOS
25h 35m1 stop
$806Avianca
Find Deal
Mon, Nov 17 - Wed, Dec 3
LATAM Airlines Logo
9:59 am - 9:40 amBOS-AEP
22h 41m2 stops
LATAM Airlines Logo
10:55 pm - 7:35 amAEP-BOS
33h 40m1 stop
$811LATAM Airlines
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Wed, Oct 8 - Tue, Oct 14
Multiple Airlines Logo
7:55 am - 6:40 amBOS-AEP
20h 45m2 stops
Multiple Airlines Logo
5:35 am - 12:40 amAEP-BOS
45h 05m3 stops
$814Multiple Airlines
Find Deal
Thu, Nov 13 - Sun, Nov 16
LATAM Airlines Logo
9:55 am - 10:30 amBOS-AEP
23h 35m1 stop
LATAM Airlines Logo
3:40 pm - 11:09 amAEP-BOS
20h 29m2 stops
$817LATAM Airlines
Find Deal
Thu, Oct 23 - Tue, Oct 28
LATAM Airlines Logo
8:59 pm - 7:40 pmBOS-AEP
21h 41m3 stops
LATAM Airlines Logo
2:55 pm - 11:09 amAEP-BOS
21h 14m2 stops
$828LATAM Airlines
Find Deal
Wed, Oct 22 - Tue, Oct 28
LATAM Airlines Logo
1:10 pm - 10:30 amBOS-AEP
19h 20m2 stops
LATAM Airlines Logo
6:20 pm - 6:35 amAEP-BOS
14h 15m1 stop
$851LATAM Airlines
Find Deal
Sun, Nov 16 - Wed, Dec 3

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
Oct 8
BOS9:59 amBoston Logan Intl
22h 41m
2 stops
AEP9:40 amBuenos Aires Jorge Newbery
Oct 14
AEP10:55 pmBuenos Aires Jorge Newbery
33h 40m
1 stop
BOS7:35 amBoston Logan Intl
$811
Find similar
LATAM Airlines
Oct 23
BOS9:55 amBoston Logan Intl
23h 35m
1 stop
AEP10:30 amBuenos Aires Jorge Newbery
Oct 28
AEP3:40 pmBuenos Aires Jorge Newbery
20h 29m
2 stops
BOS11:09 amBoston Logan Intl
$817
Find similar
LATAM Airlines
Oct 22
BOS8:59 pmBoston Logan Intl
21h 41m
3 stops
AEP7:40 pmBuenos Aires Jorge Newbery
Oct 28
AEP2:55 pmBuenos Aires Jorge Newbery
21h 14m
2 stops
BOS11:09 amBoston Logan Intl
$828
Find similar

GOL flights from Boston to Buenos Aires Jorge Newbery Airport

Our best GOL deals on Boston to Buenos Aires Jorge Newbery Airport flight tickets
GOL
Sep 29
BOS10:00 amBoston Logan Intl
26h 00m
2 stops
AEP1:00 pmBuenos Aires Jorge Newbery
Oct 3
AEP3:40 amBuenos Aires Jorge Newbery
19h 40m
2 stops
BOS10:20 pmBoston Logan Intl
$2,273
Find similar
GOL
Sep 29
BOS1:05 pmBoston Logan Intl
22h 55m
2 stops
AEP1:00 pmBuenos Aires Jorge Newbery
Oct 3
AEP3:40 amBuenos Aires Jorge Newbery
22h 19m
2 stops
BOS12:59 amBoston Logan Intl
$2,287
Find similar
GOL
Sep 20
BOS1:05 pmBoston Logan Intl
23h 15m
2 stops
AEP1:20 pmBuenos Aires Jorge Newbery
Oct 2
AEP3:40 amBuenos Aires Jorge Newbery
19h 40m
2 stops
BOS10:20 pmBoston Logan Intl
$2,660
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 September 17, 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

Thu 10/23

9:00 am-5:40 am

1 stop19h 40m

Buenos Aires Jorge Newbery

Wed 11/5

7:00 am-6:35 am

1 stop25h 35m

$795

BostonBuenos Aires

BOS - AEP

BOSAEP

Boston Logan Intl

Thu 10/23

9:00 am-5:40 am

1 stop19h 40m

Buenos Aires Jorge Newbery

Wed 11/5

7:00 am-6:35 am

1 stop25h 35m

$796

BostonBuenos Aires

BOS - AEP

BOSAEP

Boston Logan Intl

Thu 11/13

7:55 am-6:40 am

2 stops20h 45m

Buenos Aires Jorge Newbery

Mon 11/17

7:00 am-6:35 am

1 stop25h 35m

$797

BostonBuenos Aires

BOS - AEP

BOSAEP

Boston Logan Intl

Mon 10/6

9:55 am-5:30 pm

1 stop30h 35m

Buenos Aires Jorge Newbery

Fri 11/14

7:36 pm-10:23 am

2 stops40h 47m

$801

BostonBuenos Aires

BOS - AEP

BOSAEP

Boston Logan Intl

Mon 11/17

3:25 pm-5:40 am

2 stops36h 15m

Buenos Aires Jorge Newbery

Wed 12/3

7:00 am-6:35 am

1 stop25h 35m

$806

BostonBuenos Aires

BOS - AEP

BOSAEP

Boston Logan Intl

Wed 10/8

9:59 am-9:40 am

2 stops22h 41m

Buenos Aires Jorge Newbery

Tue 10/14

10:55 pm-7:35 am

1 stop33h 40m

$811

BostonBuenos Aires

BOS - AEP

BOSAEP

Boston Logan Intl

Thu 11/13

7:55 am-6:40 am

2 stops20h 45m

Buenos Aires Jorge Newbery

Sun 11/16

5:35 am-12:40 am

3 stops45h 05m

$814

BostonBuenos Aires

BOS - AEP

BOSAEP

Boston Logan Intl

Thu 10/23

9:55 am-10:30 am

1 stop23h 35m

Buenos Aires Jorge Newbery

Tue 10/28

3:40 pm-11:09 am

2 stops20h 29m

$817

BostonBuenos Aires

BOS - AEP

BOSAEP

Boston Logan Intl

Wed 10/22

8:59 pm-7:40 pm

3 stops21h 41m

Buenos Aires Jorge Newbery

Tue 10/28

2:55 pm-11:09 am

2 stops21h 14m

$828

BostonBuenos Aires

BOS - AEP

BOSAEP

Boston Logan Intl

Sun 11/16

1:10 pm-10:30 am

2 stops19h 20m

Buenos Aires Jorge Newbery

Wed 12/3

6:20 pm-6:35 am

1 stop14h 15m

$851

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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 day to depart on your flight to Buenos Aires Jorge Newbery Airport?

The cheapest day to depart from Boston to Buenos Aires Jorge Newbery Airport is on a Saturday. Travelers who choose to depart for Buenos Aires Jorge Newbery Airport on a Saturday will often find tickets for as low as $714. The most expensive day to fly to Buenos Aires Jorge Newbery Airport is Friday, with ticket prices averaging around $1,248.

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

Flying to Buenos Aires Jorge Newbery Airport from Boston in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $724 when looking at flights departing in the afternoon. In the evening is when there is more demand to fly to Buenos Aires Jorge Newbery Airport, so prices are often more expensive at around $8,443 per ticket.

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

Direct flights

None
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

  • 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 55m.

  • 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 $517Free CancellationRating
7.5
1,849 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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