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$328+ 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 3/16. Fares are subject to change and may not be available on all flights or dates of travel.
MHT — BUE
Jan 17 — Jan 241
Sat 1/17
Sat 1/24
1 adult, Economy
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Cheap 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 December 18, 2025.

This Kiwi.com deal was found by Cheapflights users on 12/16. 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 12/297:15 amBOS - EZE
2 stops45h 40mMultiple Airlines
Thu 2/1211:00 amEZE - BOS
1 stop14h 59mMultiple Airlines
Deal found 12/16$866
This LATAM Airlines deal was found by Cheapflights users on 12/17. 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.
Wed 12/313:57 pmBOS - EZE
2 stops19h 48mLATAM Airlines
Sat 1/108:55 pmEZE - BOS
1 stop15h 07mLATAM Airlines
Deal found 12/17$1,013
This FlightHub deal was found by Cheapflights users on 12/16. 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.
Mon 12/295:00 pmBOS - EZE
1 stop15h 15mLATAM Airlines
Thu 2/127:43 pmEZE - BOS
2 stops17h 29mLATAM Airlines
Deal found 12/16$1,042
This FlightHub deal was found by Cheapflights users on 12/16. 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.
Mon 12/297:15 amBOS - AEP
2 stops25h 15mLATAM Airlines
Thu 2/125:15 pmAEP - BOS
2 stops19h 57mLATAM Airlines
Deal found 12/16$1,107
This Ovago deal was found by Cheapflights users on 12/16. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/178:50 pmBOS - EZE
1 stop35h 25mLATAM Airlines
Wed 12/2412:15 pmEZE - BOS
2 stops27h 37mLATAM Airlines
Deal found 12/16$1,116
This Cheapflightsfares deal was found by Cheapflights users on 12/16. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/293:25 pmBOS - EZE
3 stops35h 45mAvianca
Thu 2/126:15 amEZE - BOS
3 stops33h 35mAvianca
Deal found 12/16$1,139
This United Airlines deal was found by Cheapflights users on 12/17. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/235:20 amBOS - EZE
2 stops26h 00mUnited Airlines
Tue 12/3011:55 pmEZE - BOS
2 stops25h 59mUnited Airlines
Deal found 12/17$1,170
This Kiwi.com deal was found by Cheapflights users on 12/17. 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 12/2611:15 amBOS - EZE
1 stop15h 20mMultiple Airlines
Tue 12/306:40 amEZE - BOS
2 stops40h 28mMultiple Airlines
Deal found 12/17$1,187
This Kiwi.com deal was found by Cheapflights users on 12/17. 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 12/2611:15 amBOS - EZE
1 stop15h 20mMultiple Airlines
Tue 12/303:41 amEZE - BOS
2 stops33h 09mMultiple Airlines
Deal found 12/17$1,222
This Kiwi.com deal was found by Cheapflights users on 12/16. 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 12/179:15 amBOS - AEP
2 stops40h 25mMultiple Airlines
Wed 12/2410:55 pmAEP - BOS
1 stop33h 40mMultiple Airlines
Deal found 12/16$1,435
This KAYAK deal was found by Cheapflights users on 12/17. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/247:15 amBOS - AEP
2 stops24h 25mLATAM Airlines
Wed 12/3110:35 amAEP - BOS
1 stop22h 00mLATAM Airlines
Deal found 12/17$1,456
This Travelocity deal was found by Cheapflights users on 12/17. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/268:55 amBOS - AEP
1 stop22h 45mLATAM Airlines
Fri 1/99:05 pmAEP - BOS
3 stops28h 53mLATAM Airlines
Deal found 12/17$1,544

Find 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 December 18, 2025.

Most accurate provider

Justfly.com
3 stars

Most trusted provider

Justfly.com
3 stars

Round-trip from

$863
(Mytrip)

One-way from

$328
(Kiwi.com)

Popular in

July

Cheapest in

September

Average price

$1,211
Provider with most accurate pricing for Boston Logan Intl-Buenos Aires (BUE) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Boston Logan Intl-Buenos Aires (BUE) flights.
Search Deals
From New Hampshire to Buenos Aires (BUE)
Search Deals
One-way flight from New Hampshire to Buenos Aires (BUE)
Search Deals
Highest demand for flights based on searches. 5% potential increase in price ($68 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 0% potential price decrease ($9 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

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 December 18, 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

Sat 5/9

9:00 am-10:30 am

2 stops24h 30m

Buenos Aires Jorge Newbery

Wed 5/13

10:35 am-7:15 am

2 stops21h 40m

$866

BostonBuenos Aires

BOS - AEP

BOSAEP

Boston Logan Intl

Thu 2/5

5:34 am-8:40 pm

3 stops37h 06m

Buenos Aires Jorge Newbery

Thu 2/12

9:50 am-4:45 pm

3 stops32h 55m

$878

BostonBuenos Aires

BOS - AEP

BOSAEP

Boston Logan Intl

Sun 5/17

9:55 am-9:40 am

1 stop22h 45m

Buenos Aires Jorge Newbery

Sat 5/23

8:05 pm-12:41 pm

2 stops17h 36m

$886

BostonBuenos Aires

BOS - AEP

BOSAEP

Boston Logan Intl

Mon 1/5

11:55 am-7:30 am

2 stops17h 35m

Buenos Aires Jorge Newbery

Mon 1/26

9:50 am-4:19 pm

3 stops32h 29m

$886

BostonBuenos Aires

BOS - AEP

BOSAEP

Boston Logan Intl

Tue 5/5

9:00 am-3:40 pm

2 stops29h 40m

Buenos Aires Jorge Newbery

Tue 5/12

10:35 am-7:35 am

1 stop22h 00m

$888

BostonBuenos Aires

BOS - AEP

BOSAEP

Boston Logan Intl

Fri 4/3

5:15 pm-2:40 pm

2 stops20h 25m

Buenos Aires Jorge Newbery

Thu 4/9

6:20 pm-7:35 am

1 stop14h 15m

$916

BostonBuenos Aires

BOS - EZE

BOSEZE

Boston Logan Intl

Fri 3/6

6:40 pm-3:10 pm

2 stops18h 30m

Buenos Aires Ministro Pistarini

Fri 3/20

4:45 pm-9:32 am

2 stops17h 47m

$923

BostonBuenos Aires

BOS - EZE

BOSEZE

Boston Logan Intl

Mon 3/16

6:40 pm-3:10 pm

2 stops43h 30m

Buenos Aires Ministro Pistarini

Mon 3/30

4:30 pm-2:52 pm

2 stops23h 22m

$934

BostonBuenos Aires

BOS - AEP

BOSAEP

Boston Logan Intl

Fri 1/30

5:23 pm-3:40 am

3 stops32h 17m

Buenos Aires Jorge Newbery

Fri 2/6

6:20 am-6:35 am

2 stops26h 15m

$936

BostonBuenos Aires

BOS - AEP

BOSAEP

Boston Logan Intl

Mon 2/16

5:50 pm-7:30 am

2 stops35h 40m

Buenos Aires Jorge Newbery

Thu 2/26

9:30 pm-11:59 pm

3 stops28h 29m

$937

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/16

Showing 1-10 of 44 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 18h 30m. Fly via LATAM Airlines, Air Canada, or United Airlines to get the fastest option. Airlines will cover a distance of 5387 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.

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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