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Cheap flights from New Hampshire to Buenos Aires from $298

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from New Hampshire to Buenos Aires departing on 6/26. 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 New Hampshire to Buenos Aires

Cheap round-trip flights

Enter your travel dates to find the best prices.
LATAM Airlines Logo
5:30 pm - 9:30 pm
BOS
-
AEP
27h 00m
2 stops
LATAM Airlines Logo
8:05 pm - 2:50 pm
AEP
-
BOS
19h 45m
2 stops
$733LATAM Airlines
Mon, Apr 13 - Wed, Apr 15
LATAM Airlines Logo
3:55 pm - 4:00 pm
BOS
-
AEP
23h 05m
2 stops
LATAM Airlines Logo
3:45 pm - 2:50 pm
AEP
-
BOS
24h 05m
2 stops
$773LATAM Airlines
Mon, Apr 13 - Wed, Apr 15
LATAM Airlines Logo
8:59 pm - 7:40 pm
BOS
-
AEP
45h 41m
2 stops
LATAM Airlines Logo
11:45 am - 7:35 am
AEP
-
BOS
20h 50m
1 stop
$778LATAM Airlines
Mon, May 4 - Thu, May 7
Multiple Airlines Logo
12:15 pm - 3:23 am
BOS
-
EZE
14h 08m
1 stop
Multiple Airlines Logo
1:10 pm - 11:06 am
EZE
-
BOS
22h 56m
2 stops
$790Multiple Airlines
Fri, May 8 - Fri, May 29
Multiple Airlines Logo
5:45 am - 3:40 pm
BOS
-
EZE
32h 55m
2 stops
Multiple Airlines Logo
4:50 pm - 11:44 pm
EZE
-
BOS
31h 54m
2 stops
$800Multiple Airlines
Fri, May 8 - Thu, May 21
Multiple Airlines Logo
12:15 pm - 3:23 am
BOS
-
EZE
14h 08m
1 stop
Multiple Airlines Logo
2:30 am - 11:44 pm
EZE
-
BOS
22h 14m
2 stops
$806Multiple Airlines
Fri, May 8 - Wed, May 20
Multiple Airlines Logo
12:15 pm - 3:23 am
BOS
-
EZE
14h 08m
1 stop
Multiple Airlines Logo
4:50 pm - 11:44 pm
EZE
-
BOS
31h 54m
2 stops
$808Multiple Airlines
Fri, May 8 - Thu, May 21
United Airlines Logo
7:31 pm - 8:00 am
MHT
-
EZE
35h 29m
2 stops
United Airlines Logo
9:00 pm - 11:59 pm
EZE
-
MHT
27h 59m
2 stops
$1,469United Airlines
Mon, Apr 27 - Thu, May 21
United Airlines Logo
7:31 pm - 8:00 am
MHT
-
EZE
35h 29m
2 stops
United Airlines Logo
9:00 pm - 11:59 pm
EZE
-
MHT
27h 59m
2 stops
$1,509United Airlines
Thu, Apr 30 - Thu, May 21
GOL Logo
1:58 pm - 8:50 am
MHT
-
EZE
17h 52m
2 stops
GOL Logo
8:35 pm - 1:28 pm
EZE
-
MHT
17h 53m
2 stops
$1,609GOL
Thu, Apr 30 - Mon, May 18

United Airlines flights from New Hampshire to Buenos Aires

Our best United Airlines deals on New Hampshire to Buenos Aires flight tickets
United Airlines
Apr 27
MHT7:31 pmManchester
35h 29m
2 stops
EZE8:00 amBuenos Aires Ministro Pistarini
May 19
EZE9:00 pmBuenos Aires Ministro Pistarini
22h 56m
2 stops
MHT6:56 pmManchester
$1,469
United Airlines
Apr 30
MHT7:31 pmManchester
35h 29m
2 stops
EZE8:00 amBuenos Aires Ministro Pistarini
May 18
EZE9:00 pmBuenos Aires Ministro Pistarini
18h 01m
2 stops
MHT2:01 pmManchester
$1,509
United Airlines
Apr 27
MHT7:31 pmManchester
35h 29m
2 stops
EZE8:00 amBuenos Aires Ministro Pistarini
May 17
EZE9:00 pmBuenos Aires Ministro Pistarini
22h 56m
2 stops
MHT6:56 pmManchester
$1,519

LATAM Airlines flights from New Hampshire to Buenos Aires

Our best LATAM Airlines deals on New Hampshire to Buenos Aires flight tickets
LATAM Airlines
Apr 13
BOS5:30 pmBoston Logan Intl
27h 00m
2 stops
AEP9:30 pmBuenos Aires Jorge Newbery
Apr 15
AEP8:05 pmBuenos Aires Jorge Newbery
19h 45m
2 stops
BOS2:50 pmBoston Logan Intl
$733
LATAM Airlines
Apr 13
BOS3:55 pmBoston Logan Intl
23h 05m
2 stops
AEP4:00 pmBuenos Aires Jorge Newbery
Apr 15
AEP3:45 pmBuenos Aires Jorge Newbery
24h 05m
2 stops
BOS2:50 pmBoston Logan Intl
$773
LATAM Airlines
May 4
BOS8:59 pmBoston Logan Intl
45h 41m
2 stops
AEP7:40 pmBuenos Aires Jorge Newbery
May 7
AEP11:45 amBuenos Aires Jorge Newbery
20h 50m
1 stop
BOS7:35 amBoston Logan Intl
$778

momondo Fare Finder

 
Customize your flight search to find flights from New Hampshire 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 March 27, 2026.
Use the filters below to find and compare flights from New Hampshire to Buenos Aires 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 4/13

5:30 pm-9:30 pm

2 stops27h 00m

Buenos Aires Jorge Newbery

Wed 4/15

8:05 pm-2:50 pm

2 stops19h 45m

$733

BostonBuenos Aires

BOS - AEP

BOSAEP

Boston Logan Intl

Mon 4/13

3:55 pm-4:00 pm

2 stops23h 05m

Buenos Aires Jorge Newbery

Wed 4/15

3:45 pm-2:50 pm

2 stops24h 05m

$773

BostonBuenos Aires

BOS - AEP

BOSAEP

Boston Logan Intl

Mon 5/4

8:59 pm-7:40 pm

2 stops45h 41m

Buenos Aires Jorge Newbery

Thu 5/7

11:45 am-7:35 am

1 stop20h 50m

$778

BostonBuenos Aires

BOS - EZE

BOSEZE

Boston Logan Intl

Fri 5/8

12:15 pm-3:23 am

1 stop14h 08m

Buenos Aires Ministro Pistarini

Fri 5/29

1:10 pm-11:06 am

2 stops22h 56m

$790

BostonBuenos Aires

BOS - EZE

BOSEZE

Boston Logan Intl

Fri 5/8

5:45 am-3:40 pm

2 stops32h 55m

Buenos Aires Ministro Pistarini

Thu 5/21

4:50 pm-11:44 pm

2 stops31h 54m

$800

BostonBuenos Aires

BOS - EZE

BOSEZE

Boston Logan Intl

Fri 5/8

12:15 pm-3:23 am

1 stop14h 08m

Buenos Aires Ministro Pistarini

Wed 5/20

2:30 am-11:44 pm

2 stops22h 14m

$806

BostonBuenos Aires

BOS - EZE

BOSEZE

Boston Logan Intl

Fri 5/8

12:15 pm-3:23 am

1 stop14h 08m

Buenos Aires Ministro Pistarini

Thu 5/21

4:50 pm-11:44 pm

2 stops31h 54m

$808

ManchesterBuenos Aires

MHT - EZE

MHTEZE

Manchester

Mon 4/27

7:31 pm-8:00 am

2 stops35h 29m

Buenos Aires Ministro Pistarini

Thu 5/21

9:00 pm-11:59 pm

2 stops27h 59m

$1,469

ManchesterBuenos Aires

MHT - EZE

MHTEZE

Manchester

Thu 4/30

7:31 pm-8:00 am

2 stops35h 29m

Buenos Aires Ministro Pistarini

Thu 5/21

9:00 pm-11:59 pm

2 stops27h 59m

$1,509
Quickest round-trip

ManchesterBuenos Aires

MHT - EZE

MHTEZE

Manchester

Thu 4/30

1:58 pm-8:50 am

2 stops17h 52m

Buenos Aires Ministro Pistarini

Mon 5/18

8:35 pm-1:28 pm

2 stops17h 53m

$1,609

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 New Hampshire 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 New Hampshire 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 New Hampshire during February instead. Flights to Buenos Aires in February, while not as cheap as those in September, still average around $1,076.

How far in advance should I book a flight to Buenos Aires?

You are more likely to see cheaper flights to Buenos Aires from New Hampshire when booking weeks ahead of your departure date. In general, you can expect to find flights to Buenos Aires for around $1,241 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Buenos Aires from New Hampshire for as low as $1,038 on momondo.

Cheap New Hampshire to Buenos Aires flight deals and tips

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

Fastest flight time

14h 08m

Direct flights

None
The fastest flight from New Hampshire to Buenos Aires takes 14h 08m
There are no direct flights from New Hampshire to Buenos Aires. There are no popular flight routes from New Hampshire to Buenos Aires.
Search flight deals

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

    Prices for flights from New Hampshire to Buenos Aires are updated daily.

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

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

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from New Hampshire to Buenos Aires.

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

    The necessary travel and health documents for your Buenos Aires 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.

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from New Hampshire to Buenos Aires. Millions of users trust and use momondo every year so you are in good hands.

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

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

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

Once all potential New Hampshire to Buenos Aires flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

If you are not ready to book a flight from New Hampshire to Buenos Aires now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Buenos Aires and let you know 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