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Cheap flights from London Heathrow Airport to New Hampshire from £339

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
15 May — 22 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 15 April 2026.

Mon 17/817:35
LHR
-
BOS
Nonstop7h 30m
British Airways
Mon 31/821:50
BOS
-
LHR
Nonstop6h 45m
British Airways
Deal found 11/4£397
Sat 9/511:45
LHR
-
BOS
1 stop12h 18m
Delta
Fri 22/519:00
BOS
-
LHR
Nonstop6h 45m
Delta
Deal found 11/4£398
Fri 15/514:30
LHR
-
BOS
Nonstop7h 25m
British Airways
Mon 25/521:50
BOS
-
LHR
Nonstop6h 45m
British Airways
Deal found 11/4£399
Tue 26/514:25
LHR
-
BOS
Nonstop7h 25m
British Airways
Sat 6/619:35
BOS
-
LHR
Nonstop6h 35m
British Airways
Deal found 12/4£399
Tue 18/812:30
LHR
-
BOS
1 stop14h 14m
American Airlines
Mon 31/815:07
BOS
-
LHR
1 stop11h 43m
American Airlines
Deal found 11/4£400
Tue 12/516:20
LHR
-
BOS
1 stop12h 17m
Delta
Mon 18/519:00
BOS
-
LHR
Nonstop6h 45m
Delta
Deal found 11/4£401
Thu 30/413:05
LHR
-
BOS
1 stop13h 40m
Icelandair
Sun 10/520:50
BOS
-
LHR
1 stop10h 05m
Icelandair
Deal found 13/4£401
Fri 15/511:45
LHR
-
BOS
1 stop12h 18m
Delta
Sat 23/519:00
BOS
-
LHR
Nonstop6h 45m
Delta
Deal found 13/4£403
Mon 27/720:10
LHR
-
BOS
Nonstop7h 25m
British Airways
Thu 13/807:25
BOS
-
LHR
Nonstop6h 30m
British Airways
Deal found 13/4£404
Fri 1/513:05
LHR
-
BOS
1 stop10h 45m
Icelandair
Sat 9/520:50
BOS
-
LHR
1 stop10h 05m
Icelandair
Deal found 13/4£405
Fri 1/513:05
LHR
-
BOS
1 stop13h 40m
Icelandair
Sun 10/520:50
BOS
-
LHR
1 stop10h 05m
Icelandair
Deal found 13/4£406
Tue 28/720:10
LHR
-
BOS
Nonstop7h 25m
British Airways
Mon 10/819:35
BOS
-
LHR
Nonstop6h 35m
British Airways
Deal found 13/4£407

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 15 April 2026.

Round-trip from

£396

One-way from

£339

Popular in

July

Cheapest in

September

Average price

£480
British Airways
  • British Airways
  • 4/8-2/9
  • Nonstop
  • 13h 55m total
  • London to New Hampshire
Search Deals
JetBlue
  • JetBlue
  • 7/5
  • 1 total stop
  • 16h 08m total
  • London to New Hampshire
Search Deals
Highest demand for flights based on searches. 9% potential increase in price (£37 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (£5 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 15 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

Tue 5/5

13:05-18:50

1 stop10h 45m

Boston Logan Intl

Tue 12/5

20:50-11:55

1 stop10h 05m

£466

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Wed 29/4

11:00-13:30

Nonstop7h 30m

Boston Logan Intl

Wed 6/5

19:30-07:10

Nonstop6h 40m

£512

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Sun 28/6

18:55-21:20

Nonstop7h 25m

Boston Logan Intl

Sat 11/7

09:05-06:45

1 stop16h 40m

£513

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Thu 1/10

06:30-16:36

1 stop15h 06m

Boston Logan Intl

Tue 6/10

21:30-09:15

Nonstop6h 45m

£517

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Fri 26/6

11:45-18:30

1 stop11h 45m

Boston Logan Intl

Thu 20/8

19:10-06:45

Nonstop6h 35m

£518

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Thu 4/6

11:45-18:30

1 stop11h 45m

Boston Logan Intl

Thu 11/6

23:10-10:40

Nonstop6h 30m

£520

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Thu 28/5

06:30-16:25

1 stop14h 55m

Boston Logan Intl

Fri 5/6

23:10-10:40

Nonstop6h 30m

£521

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Thu 21/5

09:55-16:25

1 stop11h 30m

Boston Logan Intl

Mon 25/5

09:05-06:45

1 stop16h 40m

£525

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Thu 8/10

16:05-18:50

Nonstop7h 45m

Boston Logan Intl

Thu 15/10

19:05-06:45

Nonstop6h 40m

£529

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Thu 30/4

16:50-19:35

Nonstop7h 45m

Boston Logan Intl

Wed 6/5

21:30-09:15

Nonstop6h 45m

£529

Flights are sorted by cheapest return flights first.

Deals found on 13/4

Showing 1-10 of 59 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 £513, Icelandair can have you in New Hampshire from London Heathrow Airport in 7h 25m. 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 - Portland or London Heathrow - Manchester.

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

Fly with Cheapflights

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

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to New Hampshire from Heathrow today with Cheapflights!

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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