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Cheap flights from London Heathrow Airport to New Hampshire from £340

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 5/1. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — MHT
8 Aug — 15 Aug1
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 9 July 2026.

Wed 14/1006:00
LHR
-
BOS
1 stop13h 45m
TAP AIR PORTUGAL
Thu 29/1019:00
BOS
-
LHR
1 stop13h 40m
TAP AIR PORTUGAL
Deal found 8/7£429
Wed 12/820:50
LHR
-
BOS
1 stop29h 55m
LEVEL
Wed 26/822:55
BOS
-
LHR
1 stop29h 15m
LEVEL
Deal found 7/7£430
Wed 26/809:55
LHR
-
BOS
1 stop16h 10m
LEVEL
Thu 3/922:55
BOS
-
LHR
1 stop29h 15m
LEVEL
Deal found 8/7£431
Mon 24/808:15
LHR
-
BOS
1 stop15h 12m
JetBlue
Fri 28/818:39
BOS
-
LHR
Nonstop6h 51m
JetBlue
Deal found 4/7£432
Thu 17/911:20
LHR
-
BOS
1 stop14h 00m
TAP AIR PORTUGAL
Mon 21/918:05
BOS
-
LHR
1 stop11h 15m
TAP AIR PORTUGAL
Deal found 7/7£433
Tue 15/919:50
LHR
-
BOS
1 stop23h 55m
TAP AIR PORTUGAL
Sat 19/922:45
BOS
-
LHR
1 stop30h 35m
TAP AIR PORTUGAL
Deal found 8/7£435
Wed 28/1012:15
LHR
-
BOS
1 stop10h 35m
Icelandair
Wed 4/1119:50
BOS
-
LHR
1 stop18h 40m
Icelandair
Deal found 5/7£435
Wed 28/1012:15
LHR
-
BOS
1 stop10h 35m
Icelandair
Thu 19/1119:50
BOS
-
LHR
1 stop10h 00m
Icelandair
Deal found 4/7£436
Thu 1/1006:00
LHR
-
BOS
1 stop13h 45m
TAP AIR PORTUGAL
Thu 15/1018:05
BOS
-
LHR
1 stop19h 45m
TAP AIR PORTUGAL
Deal found 8/7£438
Sat 3/1021:25
LHR
-
BOS
1 stop29h 20m
Icelandair
Wed 21/1020:50
BOS
-
LHR
1 stop18h 30m
Icelandair
Deal found 7/7£438
Wed 9/911:55
LHR
-
PWM
1 stop16h 57m
JetBlue
Sun 13/906:00
PWM
-
LHR
1 stop9h 45m
JetBlue
Deal found 6/7£549
Mon 28/911:55
LHR
-
PWM
1 stop16h 57m
JetBlue
Mon 5/1006:00
PWM
-
LHR
1 stop9h 45m
JetBlue
Deal found 5/7£558

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 9 July 2026.

Round-trip from

£429

One-way from

£340

Popular in

June

Cheapest in

February

Average price

£529
TAP AIR PORTUGAL
  • TAP AIR PORTUGAL
  • 14/10-29/10
  • 2 total stops
  • 27h 25m total
  • London to New Hampshire
Search Deals
Air Canada
  • Air Canada
  • 5/1
  • 2 total stops
  • 32h 58m total
  • London to New Hampshire
Search Deals
Highest demand for flights based on searches. 12% potential increase in price (£51 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£9 potential savings vs. average return price).
Search Deals
Average for round-trip flights in July 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 9 July 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

Wed 5/8

20:50-21:45

1 stop29h 55m

Boston Logan Intl

Wed 26/8

22:55-09:10

1 stop29h 15m

£457

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Thu 13/8

09:55-21:45

1 stop16h 50m

Boston Logan Intl

Sun 23/8

23:35-09:10

1 stop28h 35m

£477

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Tue 6/10

19:50-20:20

2 stops29h 30m

Boston Logan Intl

Tue 20/10

22:45-17:45

1 stop14h 00m

£487

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Mon 19/10

06:30-16:36

1 stop15h 06m

Boston Logan Intl

Mon 26/10

20:10-06:50

Nonstop6h 40m

£494

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Sat 3/10

19:50-20:20

2 stops29h 30m

Boston Logan Intl

Wed 21/10

22:45-15:35

1 stop11h 50m

£495

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Wed 23/9

06:30-13:19

1 stop11h 49m

Boston Logan Intl

Wed 30/9

23:10-10:40

Nonstop6h 30m

£496

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Tue 6/10

08:40-16:36

1 stop12h 56m

Boston Logan Intl

Tue 20/10

19:05-06:45

Nonstop6h 40m

£496

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Thu 1/10

06:30-13:15

1 stop11h 45m

Boston Logan Intl

Thu 15/10

19:05-06:45

Nonstop6h 40m

£497

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Sat 26/9

16:05-18:50

Nonstop7h 45m

Boston Logan Intl

Thu 15/10

21:30-09:15

Nonstop6h 45m

£507

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Wed 16/9

09:40-12:17

Nonstop7h 37m

Boston Logan Intl

Thu 22/10

19:05-06:45

Nonstop6h 40m

£509

Flights are sorted by cheapest return flights first.

Deals found on 8/7

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 £494, LEVEL can have you in New Hampshire from London Heathrow Airport in 15h 06m. 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 Miami flights
Heathrow to LaGuardia flights
Stansted to John F Kennedy Intl flights
Gatwick to Newark flights
London City to John F Kennedy Intl flights
Gatwick to Miami flights
Heathrow to Orlando flights
Luton to John F Kennedy Intl flights
Gatwick to LaGuardia flights
Stansted to Miami flights
Heathrow to Los Angeles flights
London City to Miami flights
Luton to Miami flights
Luton to Newark flights
Stansted to Newark flights
London City to Newark flights
Heathrow to Dallas/Fort Worth flights
Heathrow to Boston flights
Heathrow to O'Hare Intl flights
Heathrow to San Francisco flights
Heathrow to Dulles Intl flights
Gatwick to Orlando flights
Gatwick to Fort Lauderdale flights
Southend to Miami flights
Heathrow to Las Vegas flights
Stansted to Orlando flights
Gatwick to Los Angeles flights
Heathrow to Baltimore flights
Heathrow to Atlanta flights
Stansted to Los Angeles flights
Heathrow to Hobby flights
Heathrow to Seattle flights
London City to Los Angeles flights
Gatwick to Boston flights
London City to Orlando flights
Heathrow to George Bush Intcntl flights
Heathrow to Ontario flights
Luton to Los Angeles flights
Heathrow to Tampa flights
Gatwick to Dulles Intl flights
Heathrow to Fort Lauderdale flights
Stansted to LaGuardia flights
Heathrow to Philadelphia flights
Gatwick to San Francisco flights
London City to San Francisco flights
Gatwick to O'Hare Intl flights
Stansted to O'Hare Intl 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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