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Cheap flights from London Heathrow Airport to New Hampshire from £342

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 7/5. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — MHT
8 May — 15 May1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Heathrow to New Hampshire

Enter your travel dates to find the best prices.

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 8 April 2026.

Tue 2/610:05
LHR
-
BOS
Nonstop7h 30m
American Airlines
Mon 15/612:01
BOS
-
LHR
1 stop13h 24m
American Airlines
Deal found 6/4£404
Mon 17/810:05
LHR
-
BOS
Nonstop7h 40m
American Airlines
Thu 27/813:10
BOS
-
LHR
1 stop13h 10m
American Airlines
Deal found 5/4£405
Sun 10/520:10
LHR
-
BOS
Nonstop7h 25m
British Airways
Mon 18/519:30
BOS
-
LHR
Nonstop6h 40m
British Airways
Deal found 8/4£406
Wed 13/517:35
LHR
-
BOS
Nonstop7h 30m
British Airways
Tue 19/519:30
BOS
-
LHR
Nonstop6h 40m
British Airways
Deal found 8/4£407
Tue 12/509:40
LHR
-
BOS
Nonstop7h 30m
Delta
Sun 17/517:05
BOS
-
LHR
1 stop12h 15m
Delta
Deal found 8/4£410
Sun 10/511:45
LHR
-
BOS
1 stop12h 18m
Delta
Sun 17/517:05
BOS
-
LHR
1 stop12h 15m
Delta
Deal found 8/4£413
Mon 1/617:35
LHR
-
BOS
Nonstop7h 30m
British Airways
Fri 12/619:35
BOS
-
LHR
Nonstop6h 35m
British Airways
Deal found 5/4£413
Fri 14/820:10
LHR
-
BOS
Nonstop7h 25m
British Airways
Tue 25/821:50
BOS
-
LHR
Nonstop6h 45m
British Airways
Deal found 5/4£416
Sat 15/814:30
LHR
-
BOS
Nonstop7h 30m
British Airways
Thu 27/807:25
BOS
-
LHR
Nonstop6h 30m
British Airways
Deal found 5/4£416
Mon 3/811:30
LHR
-
BOS
1 stop13h 20m
Iberia
Mon 17/821:20
BOS
-
LHR
1 stop14h 00m
Iberia
Deal found 6/4£417
Mon 17/820:10
LHR
-
BOS
Nonstop7h 25m
British Airways
Tue 1/921:50
BOS
-
LHR
Nonstop6h 45m
British Airways
Deal found 8/4£418
Wed 20/511:55
LHR
-
PWM
1 stop16h 08m
JetBlue
Wed 27/514:36
PWM
-
LHR
1 stop25h 09m
JetBlue
Deal found 5/4£521

Find 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 8 April 2026.

Round-trip from

£404

One-way from

£342

Popular in

July

Cheapest in

September

Average price

£481
American Airlines
  • American Airlines
  • 2/6-15/6
  • 1 total stop
  • 20h 54m total
  • London to New Hampshire
Search Deals
JetBlue
  • JetBlue
  • 7/5
  • 1 total stop
  • 19h 48m total
  • London to New Hampshire
Search Deals
Highest demand for flights based on searches. 9% potential increase in price (£39 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (£6 potential savings vs. average return price).
Search Deals
Average for round-trip flights in April 2026
Search Deals

Cheapflights Fare Finder

 
Customise 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 858,174 searches. Data last updated 8 April 2026.
Use the filters below to find and compare flights from London Heathrow Airport to New Hampshire that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Sun 4/10

20:50-21:15

1 stop29h 25m

Boston Logan Intl

Sun 11/10

23:50-20:05

1 stop15h 15m

£477

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Wed 29/4

21:25-21:45

1 stop29h 20m

Boston Logan Intl

Tue 5/5

20:50-20:20

1 stop18h 30m

£487

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Thu 9/7

06:30-16:40

1 stop15h 10m

Boston Logan Intl

Thu 16/7

09:05-06:45

1 stop16h 40m

£510

LondonPortland

LHR - PWM

LHRPWM

London Heathrow

Fri 15/5

08:15-23:03

1 stop19h 48m

Portland

Fri 22/5

06:00-09:30

1 stop22h 30m

£527

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Mon 20/4

09:55-16:25

1 stop11h 30m

Boston Logan Intl

Mon 27/4

19:00-06:45

Nonstop6h 45m

£528

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Thu 30/7

06:30-13:18

1 stop11h 48m

Boston Logan Intl

Fri 7/8

09:05-06:20

1 stop16h 15m

£531

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Thu 6/8

06:15-13:39

1 stop12h 24m

Boston Logan Intl

Thu 13/8

19:10-06:45

Nonstop6h 35m

£533

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Tue 2/6

08:55-14:55

1 stop11h 00m

Boston Logan Intl

Sun 7/6

19:05-06:45

Nonstop6h 40m

£534

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Thu 1/10

18:55-21:20

Nonstop7h 25m

Boston Logan Intl

Tue 6/10

19:05-06:45

Nonstop6h 40m

£535

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Thu 30/4

09:55-16:25

1 stop11h 30m

Boston Logan Intl

Thu 14/5

23:10-10:40

Nonstop6h 30m

£538

Flights are sorted by cheapest return flights first.

Deals found on 4/4

Showing 1-10 of 60 resultsSorted by cheapest first
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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 return 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 £510, LEVEL can have you in New Hampshire from London Heathrow Airport in 15h 10m. The distance between London Heathrow Airport and New Hampshire is about 3254 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

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

    The most popular route from London Heathrow Airport to New Hampshire is London Heathrow - Boston Logan Intl. You may also consider London Heathrow - Manchester or 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 holiday 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.

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.
Heathrow to John F Kennedy Intl flights
Heathrow to Newark flights
Gatwick to John F Kennedy Intl flights
Heathrow to LaGuardia flights
Heathrow to Los Angeles flights
Stansted to John F Kennedy Intl flights
Heathrow to Orlando flights
Gatwick to Newark flights
London City to John F Kennedy Intl flights
Gatwick to LaGuardia flights
Heathrow to Boston flights
Heathrow to Miami flights
Gatwick to Orlando flights
Luton to John F Kennedy Intl flights
Gatwick to Los Angeles flights
Heathrow to San Francisco flights
Stansted to Newark flights
Heathrow to Dallas/Fort Worth flights
Heathrow to O'Hare Intl flights
Luton to Newark flights
London City to Newark flights
Heathrow to Las Vegas flights
Heathrow to Dulles Intl flights
Heathrow to Seattle flights
Stansted to Los Angeles flights
Heathrow to Atlanta flights
Heathrow to Hobby flights
Stansted to Orlando flights
London City to Los Angeles flights
Gatwick to Boston flights
Gatwick to Miami flights
Heathrow to Baltimore flights
Stansted to Miami flights
London City to Orlando flights
Heathrow to Ontario flights
Heathrow to George Bush Intcntl flights
Heathrow to Tampa flights
Luton to Los Angeles flights
Heathrow to Denver flights
London City to Boston flights
London City to Miami flights
Heathrow to Nashville flights
Heathrow to Santa Ana flights
Stansted to Boston flights
Gatwick to Dallas/Fort Worth flights
Gatwick to San Francisco flights
Stansted to LaGuardia flights
Gatwick to O'Hare Intl flights
Heathrow to Midway flights
Luton to Miami flights

Fly with Cheapflights

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How does Cheapflights help users find flights from Heathrow to New Hampshire?

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Why should you use Cheapflights to find cheap flight tickets from Heathrow to New Hampshire?

Cheapflights helps you find that perfect flight to New Hampshire from Heathrow by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from Heathrow to New Hampshire with no change fees?

Yes, we can. To see specific flights from Heathrow to New Hampshire with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights from Heathrow to New Hampshire become cheaper?

Yes! Start tracking prices for Heathrow to New Hampshire flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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