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$333+ Cheap flights from New Hampshire to Buenos Aires (BUE)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/30. Fares are subject to change and may not be available on all flights or dates of travel.
MHT — BUE
Oct 15 — Oct 221
Wed 10/15
Wed 10/22
1 adult, Economy
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Cheap flight deals from New Hampshire to Buenos Aires

Keep the following information in mind while searching for New Hampshire to Buenos Aires flight deals. Data was last updated September 15, 2025.

Round-trip from

$801
(Kiwi.com)

One-way from

$333
(Kiwi.com)

Popular in

December

Cheapest in

October

Average price

$1,172
From New Hampshire to Buenos Aires (BUE)
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One-way flight from New Hampshire to Buenos Aires (BUE)
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Highest demand for flights based on searches. 4% potential increase in price ($55 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($20 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from New Hampshire to Buenos Aires

Cheapest flights from New Hampshire to Buenos Aires
Explore the most affordable flight options available from New Hampshire to Buenos Aires. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 15, 2025.

This FlightHub deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/207:10 amBOS - EZE
2 stops41h 40mLATAM Airlines
Sat 11/222:30 amEZE - BOS
2 stops22h 32mLATAM Airlines
Deal found 9/15$799
This Kiwi.com deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/69:55 amBOS - AEP
1 stop30h 35mMultiple Airlines
Fri 11/147:36 pmAEP - BOS
2 stops40h 47mMultiple Airlines
Deal found 9/15$801
This Justfly.com deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/89:59 amBOS - AEP
2 stops22h 41mLATAM Airlines
Tue 10/1410:55 pmAEP - BOS
1 stop33h 40mLATAM Airlines
Deal found 9/15$811
This Priceline deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/133:23 pmBOS - EZE
2 stops21h 32mLATAM Airlines
Wed 11/199:55 pmEZE - BOS
1 stop34h 40mLATAM Airlines
Deal found 9/15$811
This Copa Airlines deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/268:41 amBOS - EZE
1 stop15h 14mCopa Airlines
Thu 10/23:47 amEZE - BOS
1 stop20h 06mCopa Airlines
Deal found 9/15$816
This CrystalTravel deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/58:55 amBOS - EZE
1 stop16h 10mLATAM Airlines
Sat 11/84:05 amEZE - BOS
2 stops29h 32mLATAM Airlines
Deal found 9/15$817
This Kiwi.com deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/57:34 amBOS - EZE
1 stop18h 36mCopa Airlines
Mon 11/105:16 amEZE - BOS
1 stop18h 47mCopa Airlines
Deal found 9/15$819
This LATAM Airlines deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure LATAM Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/133:23 pmBOS - EZE
2 stops21h 32mLATAM Airlines
Tue 11/187:10 amEZE - BOS
2 stops17h 38mLATAM Airlines
Deal found 9/15$821
This Kiwi.com deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/69:55 amBOS - AEP
1 stop30h 35mMultiple Airlines
Thu 11/135:45 amAEP - BOS
2 stops26h 50mMultiple Airlines
Deal found 9/15$822
This Kiwi.com deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/77:34 amBOS - EZE
1 stop18h 36mCopa Airlines
Sun 11/232:32 pmEZE - BOS
1 stop33h 31mCopa Airlines
Deal found 9/15$822
This Kiwi.com deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/319:55 amBOS - AEP
1 stop19h 45mMultiple Airlines
Fri 11/77:36 pmAEP - BOS
2 stops40h 47mMultiple Airlines
Deal found 9/15$824
This Orbitz deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/137:55 amBOS - EZE
1 stop19h 55mAvianca
Tue 11/187:35 amEZE - BOS
2 stops32h 15mAvianca
Deal found 9/15$826

Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated September 15, 2025.
Use the filters below to find and compare flights from New Hampshire to Buenos Aires that are best for you.

Fly from

New Hampshire

Fly to

Buenos Aires

Route

Depart

Return

Price

BostonBuenos Aires

BOS - AEP

BOSAEP

Boston Logan Intl

Fri 10/31

9:55 am-6:40 am

1 stop19h 45m

Buenos Aires Jorge Newbery

Fri 11/7

7:36 pm-10:23 am

2 stops40h 47m

$824

BostonBuenos Aires

BOS - EZE

BOSEZE

Boston Logan Intl

Fri 10/31

8:24 pm-3:45 am

3 stops30h 21m

Buenos Aires Ministro Pistarini

Fri 11/7

10:05 am-6:35 am

2 stops22h 30m

$829

BostonBuenos Aires

BOS - AEP

BOSAEP

Boston Logan Intl

Fri 11/21

8:55 am-9:40 am

1 stop22h 45m

Buenos Aires Jorge Newbery

Sun 11/30

5:15 pm-10:49 pm

2 stops31h 34m

$857

BostonBuenos Aires

BOS - EZE

BOSEZE

Boston Logan Intl

Fri 10/31

9:55 am-1:00 am

1 stop14h 05m

Buenos Aires Ministro Pistarini

Fri 11/7

3:55 pm-12:35 pm

2 stops22h 40m

$892

BostonBuenos Aires

BOS - AEP

BOSAEP

Boston Logan Intl

Thu 11/6

9:05 am-4:00 pm

2 stops28h 55m

Buenos Aires Jorge Newbery

Tue 11/18

12:40 pm-11:02 pm

2 stops36h 22m

$907

BostonBuenos Aires

BOS - AEP

BOSAEP

Boston Logan Intl

Fri 11/7

8:55 am-6:40 am

1 stop19h 45m

Buenos Aires Jorge Newbery

Mon 11/24

6:40 am-6:35 am

2 stops25h 55m

$916

BostonBuenos Aires

BOS - AEP

BOSAEP

Boston Logan Intl

Fri 10/31

9:55 am-5:00 pm

1 stop30h 05m

Buenos Aires Jorge Newbery

Mon 11/17

10:30 pm-2:59 pm

2 stops42h 29m

$917

BostonBuenos Aires

BOS - AEP

BOSAEP

Boston Logan Intl

Mon 10/13

9:55 am-9:20 am

1 stop22h 25m

Buenos Aires Jorge Newbery

Wed 10/22

9:50 am-7:15 am

2 stops22h 25m

$923

BostonBuenos Aires

BOS - AEP

BOSAEP

Boston Logan Intl

Tue 10/14

1:15 pm-9:40 am

2 stops19h 25m

Buenos Aires Jorge Newbery

Wed 10/22

6:20 pm-7:35 am

1 stop14h 15m

$926

BostonBuenos Aires

BOS - AEP

BOSAEP

Boston Logan Intl

Thu 10/16

9:55 am-2:20 am

1 stop15h 25m

Buenos Aires Jorge Newbery

Thu 10/23

10:30 am-3:56 pm

2 stops30h 26m

$935

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/14

Showing 1-10 of 45 results
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Best time to book a flight from New Hampshire to Buenos Aires

Have a flexible travel schedule? Discover the best time to fly to Buenos Aires from New Hampshire with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from New Hampshire to Buenos Aires
No data available for this route at this time. Please check back soon.

Related info for your journey

Find useful and relevant information for your journey from New Hampshire to Buenos Aires. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from New Hampshire to Buenos Aires?

    There are many flights that can get you from New Hampshire to Buenos Aires in 21h 50m. Fly via LATAM Airlines or United Airlines to get the fastest option. Airlines will cover a distance of 5430 mi. This flight may include one or multiple stops.

  • What are the most popular routes from New Hampshire to Buenos Aires?

    While some choose either Boston Logan Intl - Buenos Aires Jorge Newbery or Manchester - Buenos Aires Ministro Pistarini, Boston Logan Intl - Buenos Aires Ministro Pistarini is the most popular route from New Hampshire to Buenos Aires.

  • Can I find deals for flights from New Hampshire to Buenos Aires that include hotel bookings?

    Yes. In addition to deals on New Hampshire to Buenos Aires flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from New Hampshire to Buenos Aires?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from New Hampshire to Buenos Aires.

  • Can I find deals for business class flights from New Hampshire to Buenos Aires?

    Yes. Cheapflights offers flight deals from New Hampshire to Buenos Aires by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from New Hampshire to Buenos Aires?

    Currently, April is the cheapest month in which you can book a flight from New Hampshire to Buenos Aires (average of $795). Flying from New Hampshire to Buenos Aires in December is currently the most expensive (average of $1,260). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Alternative routes for New Hampshire to Buenos Aires

See prices for flight routes from nearby airports that may be better suited for you.
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