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Buenos Aires

$290+ 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 12/7. Fares are subject to change and may not be available on all flights or dates of travel.
MHT — BUE
Dec 2 — Dec 91
Tue 12/2
Tue 12/9
1 adult, Economy
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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 November 2, 2025.

This SmartFares deal was found by Cheapflights users on 11/1. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/265:00 pmBOS - AEP
2 stops48h 40mLATAM Airlines
Wed 12/312:40 pmAEP - BOS
1 stop19h 55mLATAM Airlines
Deal found 11/1$750
This SmartFares deal was found by Cheapflights users on 11/1. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/265:00 pmBOS - EZE
2 stops47h 43mLATAM Airlines
Wed 12/39:55 pmEZE - BOS
1 stop34h 40mLATAM Airlines
Deal found 11/1$750
This KAYAK deal was found by Cheapflights users on 11/1. 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.
Tue 12/95:40 amBOS - AEP
2 stops24h 15mLATAM Airlines
Sun 12/1411:30 amAEP - BOS
2 stops21h 05mLATAM Airlines
Deal found 11/1$751
This LATAM Airlines deal was found by Cheapflights users on 11/1. 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.
Tue 12/99:15 amBOS - EZE
2 stops19h 05mLATAM Airlines
Sun 12/1412:15 pmEZE - BOS
2 stops20h 20mLATAM Airlines
Deal found 11/1$751
This Mytrip deal was found by Cheapflights users on 11/2. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/166:16 amBOS - EZE
3 stops20h 54mMultiple Airlines
Mon 11/247:30 amEZE - BOS
3 stops42h 23mMultiple Airlines
Deal found 11/2$754
This KAYAK deal was found by Cheapflights users on 11/2. 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 11/128:55 amBOS - AEP
2 stops23h 35mLATAM Airlines
Tue 11/188:25 pmAEP - BOS
2 stops20h 34mLATAM Airlines
Deal found 11/2$756
This Avianca deal was found by Cheapflights users on 11/2. 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 Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/117:55 amBOS - EZE
1 stop19h 55mAvianca
Mon 12/154:55 pmEZE - BOS
1 stop15h 40mAvianca
Deal found 11/2$757
This KAYAK deal was found by Cheapflights users on 11/2. 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.
Mon 12/89:15 amBOS - AEP
2 stops20h 40mLATAM Airlines
Sat 12/133:40 pmAEP - BOS
2 stops20h 30mLATAM Airlines
Deal found 11/2$761
This Mytrip deal was found by Cheapflights users on 11/2. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/166:16 amBOS - EZE
3 stops20h 54mMultiple Airlines
Sat 11/222:40 amEZE - BOS
3 stops40h 10mMultiple Airlines
Deal found 11/2$762
This Priceline deal was found by Cheapflights users on 11/2. 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.
Sun 11/163:25 pmBOS - EZE
2 stops36h 25mAvianca
Mon 11/247:30 amEZE - BOS
1 stop25h 05mAvianca
Deal found 11/2$769
This Priceline deal was found by Cheapflights users on 11/2. 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.
Sun 11/163:25 pmBOS - EZE
2 stops36h 25mAvianca
Sun 11/234:55 pmEZE - BOS
2 stops22h 55mAvianca
Deal found 11/2$770
This Gotogate deal was found by Cheapflights users on 11/2. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/277:55 amBOS - AEP
1 stop19h 45mAvianca
Wed 12/107:00 amAEP - BOS
1 stop25h 35mAvianca
Deal found 11/2$773

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 November 2, 2025.

Most accurate provider

Justfly.com
3 stars

Most trusted provider

Justfly.com
3 stars

Round-trip from

$750
(SmartFares)

One-way from

$290
(Kiwi.com)

Popular in

December

Cheapest in

September

Average price

$1,123
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. 3% potential increase in price ($36 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 0% potential price decrease ($10 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 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 November 2, 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

Tue 12/9

5:40 am-7:55 am

2 stops24h 15m

Buenos Aires Jorge Newbery

Sun 12/14

11:30 am-6:35 am

2 stops21h 05m

$751

BostonBuenos Aires

BOS - AEP

BOSAEP

Boston Logan Intl

Wed 11/12

8:55 am-10:30 am

2 stops23h 35m

Buenos Aires Jorge Newbery

Tue 11/18

8:25 pm-2:59 pm

2 stops20h 34m

$756

BostonBuenos Aires

BOS - AEP

BOSAEP

Boston Logan Intl

Mon 12/8

9:15 am-7:55 am

2 stops20h 40m

Buenos Aires Jorge Newbery

Sat 12/13

3:40 pm-10:10 am

2 stops20h 30m

$761

BostonBuenos Aires

BOS - EZE

BOSEZE

Boston Logan Intl

Thu 12/4

7:34 am-4:10 am

1 stop18h 36m

Buenos Aires Ministro Pistarini

Mon 12/15

3:41 am-10:40 pm

1 stop20h 59m

$800

BostonBuenos Aires

BOS - EZE

BOSEZE

Boston Logan Intl

Wed 3/11

8:44 am-4:10 am

1 stop18h 26m

Buenos Aires Ministro Pistarini

Tue 3/24

3:47 am-11:10 pm

1 stop20h 23m

$800

BostonBuenos Aires

BOS - EZE

BOSEZE

Boston Logan Intl

Mon 12/8

7:34 am-12:58 am

1 stop15h 24m

Buenos Aires Ministro Pistarini

Mon 12/15

3:41 am-10:40 pm

1 stop20h 59m

$800

BostonBuenos Aires

BOS - AEP

BOSAEP

Boston Logan Intl

Wed 3/18

3:50 pm-10:30 am

2 stops17h 40m

Buenos Aires Jorge Newbery

Tue 3/24

8:25 pm-2:48 pm

2 stops19h 23m

$811

BostonBuenos Aires

BOS - AEP

BOSAEP

Boston Logan Intl

Sun 3/15

3:50 pm-4:00 pm

2 stops23h 10m

Buenos Aires Jorge Newbery

Wed 3/25

5:15 pm-2:48 pm

2 stops22h 33m

$812

BostonBuenos Aires

BOS - EZE

BOSEZE

Boston Logan Intl

Sun 11/23

7:38 pm-7:20 am

2 stops33h 42m

Buenos Aires Ministro Pistarini

Wed 12/10

10:05 pm-12:21 pm

1 stop16h 16m

$816

BostonBuenos Aires

BOS - EZE

BOSEZE

Boston Logan Intl

Wed 11/12

11:45 am-7:20 am

2 stops17h 35m

Buenos Aires Ministro Pistarini

Tue 11/18

10:05 pm-2:29 pm

2 stops18h 24m

$816

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/1

Showing 1-10 of 46 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 16h 24m. Fly via LATAM Airlines, Copa Airlines, 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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