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Cheap flights from London Heathrow Airport to New Hampshire from £345

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 1/9. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — MHT
21 May — 28 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 21 April 2026.

Mon 18/520:50
LHR
-
BOS
1 stop29h 15m
LEVEL
Tue 26/522:50
BOS
-
LHR
1 stop29h 20m
LEVEL
Deal found 20/4£409
Tue 19/520:50
LHR
-
BOS
1 stop29h 15m
LEVEL
Wed 8/723:00
BOS
-
LHR
1 stop16h 05m
LEVEL
Deal found 19/4£411
Fri 29/514:30
LHR
-
BOS
Nonstop7h 25m
British Airways
Tue 2/621:50
BOS
-
LHR
Nonstop6h 45m
British Airways
Deal found 17/4£414
Sat 30/520:10
LHR
-
BOS
Nonstop7h 25m
British Airways
Tue 2/621:50
BOS
-
LHR
Nonstop6h 45m
British Airways
Deal found 17/4£415
Sun 3/511:45
LHR
-
BOS
1 stop12h 53m
Delta
Fri 22/519:00
BOS
-
LHR
Nonstop6h 45m
Delta
Deal found 21/4£416
Wed 13/520:10
LHR
-
BOS
Nonstop7h 25m
British Airways
Sun 24/521:55
BOS
-
LHR
Nonstop6h 45m
British Airways
Deal found 19/4£416
Sat 16/517:35
LHR
-
BOS
Nonstop7h 30m
British Airways
Tue 26/507:25
BOS
-
LHR
Nonstop6h 30m
British Airways
Deal found 19/4£417
Tue 27/1009:55
LHR
-
BOS
1 stop16h 00m
LEVEL
Tue 3/1122:40
BOS
-
LHR
1 stop29h 30m
LEVEL
Deal found 19/4£419
Sat 30/511:45
LHR
-
BOS
1 stop12h 18m
Delta
Tue 2/613:29
BOS
-
LHR
1 stop14h 21m
Delta
Deal found 17/4£423
Sun 18/1020:10
LHR
-
BOS
Nonstop7h 25m
British Airways
Thu 22/1007:25
BOS
-
LHR
Nonstop6h 30m
British Airways
Deal found 20/4£425
Wed 16/911:55
LHR
-
PWM
1 stop16h 57m
JetBlue
Mon 21/906:00
PWM
-
LHR
1 stop9h 45m
JetBlue
Deal found 19/4£562
Wed 16/911:55
LHR
-
PWM
1 stop16h 57m
JetBlue
Tue 22/906:00
PWM
-
LHR
1 stop9h 45m
JetBlue
Deal found 19/4£580

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 21 April 2026.

Round-trip from

£409

One-way from

£345

Popular in

July

Cheapest in

September

Average price

£493
LEVEL
  • LEVEL
  • 18/5-26/5
  • 2 total stops
  • 58h 35m total
  • London to New Hampshire
Search Deals
United Airlines
  • United Airlines
  • 1/9
  • 2 total stops
  • 14h 53m total
  • London to New Hampshire
Search Deals
Highest demand for flights based on searches. 9% potential increase in price (£38 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 21 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 19/5

06:30-13:10

1 stop11h 40m

Boston Logan Intl

Tue 7/7

23:10-10:40

Nonstop6h 30m

£487

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Wed 27/5

09:55-18:30

1 stop13h 35m

Boston Logan Intl

Tue 2/6

23:10-10:40

Nonstop6h 30m

£524

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Mon 22/6

08:40-18:30

1 stop14h 50m

Boston Logan Intl

Tue 7/7

23:10-10:40

Nonstop6h 30m

£533

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Mon 7/9

07:35-23:41

2 stops21h 06m

Boston Logan Intl

Wed 9/9

13:00-21:40

1 stop27h 40m

£536

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Mon 20/7

16:05-18:50

Nonstop7h 45m

Boston Logan Intl

Wed 2/9

06:00-20:10

1 stop9h 10m

£541

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Thu 2/7

06:15-14:55

1 stop13h 40m

Boston Logan Intl

Mon 6/7

09:05-06:45

1 stop16h 40m

£547

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Sat 20/6

18:55-21:20

Nonstop7h 25m

Boston Logan Intl

Sat 4/7

06:06-20:10

1 stop9h 04m

£550
Fastest return journey

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Sun 31/5

09:40-12:10

Nonstop7h 30m

Boston Logan Intl

Sun 14/6

23:10-10:40

Nonstop6h 30m

£553

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Thu 6/8

16:05-18:50

Nonstop7h 45m

Boston Logan Intl

Tue 11/8

19:10-06:45

Nonstop6h 35m

£556

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Thu 18/6

18:55-21:20

Nonstop7h 25m

Boston Logan Intl

Mon 22/6

21:29-12:15

1 stop9h 46m

£556

Flights are sorted by cheapest return flights first.

Deals found on 17/4

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 £487, KLM can have you in New Hampshire from London Heathrow Airport in 11h 40m. 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
Stansted to John F Kennedy Intl flights
Gatwick to Newark flights
London City to John F Kennedy Intl flights
Heathrow to Orlando flights
Heathrow to Los Angeles flights
Gatwick to LaGuardia flights
Luton to John F Kennedy Intl flights
Stansted to Newark flights
Luton to Newark flights
Heathrow to Miami flights
Gatwick to Orlando flights
Heathrow to O'Hare Intl flights
Heathrow to Boston flights
London City to Newark flights
Heathrow to Dulles Intl flights
Heathrow to San Francisco flights
Heathrow to Dallas/Fort Worth flights
Heathrow to Las Vegas flights
Heathrow to Seattle flights
Gatwick to Boston flights
Stansted to Los Angeles flights
Heathrow to Hobby flights
London City to Los Angeles flights
Gatwick to Los Angeles flights
Stansted to Orlando flights
Gatwick to Miami flights
Heathrow to Atlanta flights
Stansted to Miami flights
London City to Orlando flights
Heathrow to George Bush Intcntl flights
Heathrow to Baltimore flights
London City to Miami flights
London City to Boston flights
Stansted to LaGuardia flights
Heathrow to Ontario flights
Stansted to Boston flights
Luton to Miami flights
Gatwick to San Francisco flights
Luton to Los Angeles flights
Gatwick to O'Hare Intl flights
Heathrow to Reagan-National flights
Gatwick to Dulles Intl flights
Heathrow to Denver flights
Heathrow to Midway flights
Stansted to O'Hare Intl flights
Heathrow to Tampa 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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