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Cheap flights from London to New Hampshire from £336

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 27/5. Fares are subject to change and may not be available on all flights or dates of travel.
LON — MHT
17 Jun — 24 Jun1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from London to New Hampshire

Enter your travel dates to find the best prices.

Cheapest flights from London to New Hampshire
Explore the most affordable flight options available from London to New Hampshire. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 18 May 2026.

Wed 17/608:30
STN
-
BOS
1 stop13h 41m
Multiple Airlines
Wed 24/617:15
BOS
-
STN
2 stops14h 35m
Multiple Airlines
Deal found 17/5£497
Tue 30/621:25
LHR
-
BOS
1 stop29h 20m
Icelandair
Sun 19/720:50
BOS
-
LHR
1 stop10h 05m
Icelandair
Deal found 15/5£497
Mon 18/518:05
LTN
-
BOS
2 stops25h 40m
Multiple Airlines
Mon 25/516:45
BOS
-
LTN
2 stops16h 35m
Multiple Airlines
Deal found 13/5£498
Thu 20/811:30
LHR
-
BOS
1 stop13h 05m
Virgin Atlantic
Mon 24/823:10
BOS
-
LHR
Nonstop6h 30m
Virgin Atlantic
Deal found 17/5£498
Sun 31/515:40
LGW
-
BOS
1 stop32h 10m
Icelandair
Fri 5/623:00
BOS
-
LGW
1 stop31h 45m
Icelandair
Deal found 15/5£498
Mon 15/621:25
LHR
-
BOS
1 stop26h 25m
Icelandair
Mon 13/720:50
BOS
-
LHR
1 stop10h 05m
Icelandair
Deal found 14/5£498
Thu 25/614:30
LGW
-
BOS
1 stop12h 35m
LEVEL
Thu 30/723:35
BOS
-
LGW
1 stop18h 35m
LEVEL
Deal found 16/5£498
Thu 28/509:25
LTN
-
BOS
2 stops14h 25m
Multiple Airlines
Thu 4/620:50
BOS
-
LTN
2 stops21h 35m
Multiple Airlines
Deal found 17/5£499
Mon 9/1106:00
LHR
-
BOS
2 stops15h 57m
Air Canada
Mon 16/1110:20
BOS
-
LHR
1 stop15h 50m
Air Canada
Deal found 16/5£499
Wed 22/717:25
LGW
-
BOS
1 stop33h 20m
LEVEL
Thu 30/723:35
BOS
-
LGW
1 stop18h 35m
LEVEL
Deal found 17/5£499
Thu 28/506:30
STN
-
BOS
2 stops17h 20m
Multiple Airlines
Thu 4/620:50
BOS
-
STN
2 stops21h 30m
Multiple Airlines
Deal found 17/5£500
Mon 15/621:25
LHR
-
BOS
1 stop29h 20m
Icelandair
Sat 11/723:00
BOS
-
LHR
1 stop31h 55m
Icelandair
Deal found 14/5£500

Find flight deals from London to New Hampshire

Keep the following information in mind while searching for London to New Hampshire flight deals. Data was last updated 18 May 2026.

Round-trip from

£497

One-way from

£336

Popular in

June

Cheapest in

September

Average price

£518
17/6-24/6
  • 17/6-24/6
  • 3 total stops
  • 28h 16m total
  • London to New Hampshire
Search Deals
27/5
  • 27/5
  • 2 total stops
  • 26h 45m total
  • London to New Hampshire
Search Deals
Highest demand for flights based on searches. 10% potential increase in price (£43 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 May 2026
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from London 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 18 May 2026.
Use the filters below to find and compare flights from London 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 6/9

08:40-16:35

1 stop12h 55m

Boston Logan Intl

Tue 15/9

19:05-06:45

Nonstop6h 40m

£521

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Wed 19/8

08:40-18:30

1 stop14h 50m

Boston Logan Intl

Wed 23/9

19:05-06:45

Nonstop6h 40m

£522

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Tue 28/7

09:55-22:43

2 stops17h 48m

Boston Logan Intl

Tue 11/8

06:05-20:10

1 stop9h 05m

£525

LondonBoston

LTN - BOS

LTNBOS

London Luton

Wed 3/6

20:35-22:05

2 stops30h 30m

Boston Logan Intl

Wed 10/6

22:50-18:05

1 stop14h 15m

£529

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Mon 1/6

08:40-18:30

1 stop14h 50m

Boston Logan Intl

Mon 8/6

19:05-06:45

Nonstop6h 40m

£536
Fastest return journey

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Wed 16/9

10:05-12:35

Nonstop7h 30m

Boston Logan Intl

Mon 28/9

19:40-07:10

Nonstop6h 30m

£540

LondonBoston

LCY - BOS

LCYBOS

London City

Wed 16/9

09:15-15:40

1 stop11h 25m

Boston Logan Intl

Mon 28/9

17:45-08:40

1 stop9h 55m

£541

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Thu 30/7

08:55-19:35

1 stop15h 40m

Boston Logan Intl

Mon 17/8

23:10-10:40

Nonstop6h 30m

£543

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Sun 6/9

06:40-15:35

2 stops13h 55m

Boston Logan Intl

Tue 15/9

17:40-16:25

2 stops17h 45m

£548

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Sun 31/5

09:40-12:10

Nonstop7h 30m

Boston Logan Intl

Sun 7/6

06:06-20:10

1 stop9h 04m

£555

Flights are sorted by cheapest return flights first.

Deals found on 14/5

Showing 1-10 of 60 resultsSorted by cheapest first
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Best time to book a flight from London to New Hampshire

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

    Departing from London to New Hampshire will take you 7h 30m. The distance from London to New Hampshire is about 3254 mi. Both multi-stop and direct flights can be found to your destination and back.

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

    The most popular flight routes from London to New Hampshire are London Heathrow - Boston Logan Intl, London Gatwick - Boston Logan Intl and London City - Boston Logan Intl.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from London 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

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for London 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 Los Angeles flights
Gatwick to LaGuardia flights
Heathrow to Orlando flights
Luton to John F Kennedy Intl flights
Stansted to Newark flights
Heathrow to San Francisco flights
Luton to Newark flights
Heathrow to Miami flights
Heathrow to O'Hare Intl flights
Heathrow to Boston flights
Manchester to John F Kennedy Intl flights
Heathrow to Dulles Intl flights
Manchester to Orlando flights
London City to Newark flights
Heathrow to Las Vegas flights
Gatwick to Boston flights
Heathrow to Dallas/Fort Worth flights
Gatwick to Orlando flights
Gatwick to Los Angeles flights
Heathrow to Seattle flights
Stansted to Los Angeles flights
London City to Los Angeles flights
Heathrow to Baltimore flights
Stansted to LaGuardia flights
Heathrow to Atlanta flights
Heathrow to Hobby flights
Stansted to Orlando flights
Gatwick to Miami flights
Manchester to Newark flights
Stansted to Miami flights
Edinburgh to John F Kennedy Intl flights
London City to Miami flights
London City to Boston flights
Manchester to LaGuardia flights
Gatwick to San Francisco flights
Heathrow to Tampa flights
Heathrow to George Bush Intcntl flights
London City to San Francisco flights
Stansted to San Francisco flights
Stansted to Boston flights
Gatwick to O'Hare Intl flights
Stansted to O'Hare Intl flights
Luton to Los Angeles flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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

Cheapflights makes it easy to find London to New Hampshire flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

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

Cheapflights helps you find that perfect flight to New Hampshire from London 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 London to New Hampshire with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from London to New Hampshire flexibly with Cheapflights today.

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

Yes! Start tracking prices for London 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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