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$406+ Cheap flights from Heathrow (LHR) to New Hampshire

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 10/20. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — MHT
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
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Cheap flight deals from Heathrow to New Hampshire

Keep the following information in mind while searching for Heathrow to New Hampshire flight deals. Data was last updated September 11, 2025.

Round-trip from

$460
(United Airlines)

One-way from

$406
(TAP AIR PORTUGAL)

Popular in

December

Cheapest in

September

Average price

$527
From London Heathrow to New Hampshire
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One-way flight from London Heathrow to New Hampshire
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Highest demand for flights based on searches. 2% potential increase in price ($18 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($14 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 Heathrow to New Hampshire

Cheapest flights from Heathrow to New Hampshire
Explore the most affordable flight options available from Heathrow to New Hampshire. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 11, 2025.

This United Airlines deal was found by Cheapflights users on 9/10. 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.
Wed 10/16:55 amLHR - BOS
1 stop15h 45mUnited Airlines
Thu 10/96:20 pmBOS - LHR
1 stop21h 40mUnited Airlines
Deal found 9/10$460
This Netflights deal was found by Cheapflights users on 9/10. 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 Netflights is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/281:30 pmLHR - BOS
Nonstop7h 35mBritish Airways
Tue 11/47:25 pmBOS - LHR
Nonstop6h 35mBritish Airways
Deal found 9/10$461
This Justfly.com deal was found by Cheapflights users on 9/10. 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.
Sat 11/86:00 amLHR - BOS
2 stops20h 27mAir Canada
Sat 11/156:40 pmBOS - LHR
2 stops20h 55mAir Canada
Deal found 9/10$462
This United Airlines deal was found by Cheapflights users on 9/11. 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 12/234:40 pmLHR - BOS
1 stop30h 55mUnited Airlines
Sun 1/116:00 amBOS - LHR
1 stop9h 35mUnited Airlines
Deal found 9/11$463
This Air Canada deal was found by Cheapflights users on 9/9. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/286:50 amLHR - BOS
2 stops18h 37mAir Canada
Mon 11/36:40 pmBOS - LHR
1 stop20h 55mAir Canada
Deal found 9/9$464
This TravelUp deal was found by Cheapflights users on 9/10. 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 TravelUp is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/148:25 amLHR - BOS
Nonstop8h 02mJetBlue
Sun 9/216:23 pmBOS - LHR
Nonstop7h 07mJetBlue
Deal found 9/10$465
This Justfly.com deal was found by Cheapflights users on 9/11. 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.
Thu 10/97:30 amLHR - BOS
1 stop13h 25mMultiple Airlines
Mon 10/139:40 pmBOS - LHR
1 stop13h 45mMultiple Airlines
Deal found 9/11$466
This Netflights deal was found by Cheapflights users on 9/10. 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 Netflights is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/291:25 pmLHR - BOS
1 stop10h 47mAir Canada
Sat 12/65:30 amBOS - LHR
1 stop20h 40mAir Canada
Deal found 9/10$467
This United Airlines deal was found by Cheapflights users on 9/9. 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.
Wed 9/177:30 amLHR - BOS
2 stops13h 58mUnited Airlines
Wed 9/244:25 pmBOS - LHR
1 stop9h 50mUnited Airlines
Deal found 9/9$468
This United Airlines deal was found by Cheapflights users on 9/10. 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 9/306:50 amLHR - BOS
2 stops14h 32mUnited Airlines
Tue 10/76:00 amBOS - LHR
1 stop9h 40mUnited Airlines
Deal found 9/10$469
This Delta deal was found by Cheapflights users on 9/9. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/16:30 amLHR - BOS
1 stop15h 00mDelta
Mon 10/68:15 pmBOS - LHR
Nonstop6h 50mDelta
Deal found 9/9$470
This Justfly.com deal was found by Cheapflights users on 9/10. 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.
Tue 12/231:45 pmLHR - BOS
2 stops34h 57mAir Canada
Sun 1/115:30 amBOS - LHR
2 stops34h 05mAir Canada
Deal found 9/10$471

Cheapflights Fare Finder

 
Customize your flight search to find flights from Heathrow to New Hampshire 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 11, 2025.
Use the filters below to find and compare flights from London Heathrow Airport to New Hampshire that are best for you.

Fly from

Heathrow

Fly to

New Hampshire

Route

Depart

Return

Price

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Mon 9/22

9:30 am-3:55 pm

1 stop11h 25m

Boston Logan Intl

Mon 9/29

5:05 pm-7:55 am

1 stop9h 50m

$465

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Tue 9/30

6:50 am-4:22 pm

2 stops14h 32m

Boston Logan Intl

Thu 10/9

6:00 am-8:40 pm

1 stop9h 40m

$469

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Wed 10/1

6:50 am-4:22 pm

2 stops14h 32m

Boston Logan Intl

Wed 10/8

6:00 am-8:40 pm

1 stop9h 40m

$469

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Fri 10/3

12:40 pm-5:38 pm

1 stop9h 58m

Boston Logan Intl

Sun 10/5

12:10 pm-6:30 am

2 stops13h 20m

$482

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Tue 1/13

11:40 am-2:20 pm

Nonstop7h 40m

Boston Logan Intl

Tue 1/20

7:30 am-7:00 pm

Nonstop6h 30m

$483

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Tue 2/17

9:20 am-12:18 pm

Nonstop7h 58m

Boston Logan Intl

Sun 3/8

7:54 pm-6:55 am

Nonstop7h 01m

$484

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Sun 2/1

9:20 am-12:18 pm

Nonstop7h 58m

Boston Logan Intl

Thu 2/26

6:54 pm-6:55 am

Nonstop7h 01m

$484

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Thu 2/19

9:20 am-12:18 pm

Nonstop7h 58m

Boston Logan Intl

Mon 3/9

7:54 pm-6:55 am

Nonstop7h 01m

$484

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Thu 10/2

8:25 am-11:27 am

Nonstop8h 02m

Boston Logan Intl

Thu 10/9

6:13 pm-6:30 am

Nonstop7h 17m

$484

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Thu 2/19

9:20 am-12:18 pm

Nonstop7h 58m

Boston Logan Intl

Wed 3/11

7:54 pm-6:55 am

Nonstop7h 01m

$484

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/11

Showing 1-10 of 47 results
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Best time to book a flight from Heathrow to New Hampshire

Have a flexible travel schedule? Discover the best time to fly to New Hampshire from Heathrow 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 London Heathrow Airport to New Hampshire
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 Heathrow to New Hampshire. 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 London Heathrow Airport to New Hampshire?

    For as low as $483, United Airlines can have you in New Hampshire from London Heathrow Airport in 7h 40m. There are 3254 mi between London Heathrow Airport and New Hampshire. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines to fly from London Heathrow Airport to New Hampshire one-way?

    To fly one-way, consider booking your trip with Finnair, which is currently one of the cheapest options available, starting at $407. British Airways flights start at $411 while deals on JetBlue start at $770 one-way.

  • What are the most popular routes from London Heathrow Airport to New Hampshire?

    The most popular flight routes from London Heathrow Airport to New Hampshire are London Heathrow - Boston Logan Intl, London Heathrow - Manchester and London Heathrow - Portland.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Heathrow to New Hampshire 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 London Heathrow Airport to New Hampshire?

    Currently, January is the cheapest month in which you can book a flight from London Heathrow Airport to New Hampshire (average of $334). Flying from London Heathrow Airport to New Hampshire in April is currently the most expensive (average of $397). 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 Heathrow to New Hampshire

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