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Cheap flights from London to New Hampshire from £343

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 15/10. Fares are subject to change and may not be available on all flights or dates of travel.
LON — MHT
27 Aug — 3 Sep1
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 28 July 2026.

Tue 1/913:05
LHR
-
BOS
1 stop10h 45m
Icelandair
Tue 8/920:50
BOS
-
LHR
1 stop18h 30m
Icelandair
Deal found 24/7£432
Sat 17/1012:05
LGW
-
BOS
1 stop13h 15m
TAP AIR PORTUGAL
Tue 27/1019:00
BOS
-
LGW
1 stop10h 50m
TAP AIR PORTUGAL
Deal found 26/7£432
Sat 21/1112:25
LHR
-
BOS
1 stop12h 30m
TAP AIR PORTUGAL
Sat 28/1122:10
BOS
-
LHR
1 stop12h 20m
TAP AIR PORTUGAL
Deal found 27/7£432
Thu 17/908:00
LGW
-
BOS
1 stop18h 05m
LEVEL
Thu 24/922:55
BOS
-
LGW
1 stop30h 20m
LEVEL
Deal found 27/7£432
Wed 30/908:30
STN
-
BOS
2 stops15h 20m
Multiple Airlines
Sun 4/1020:50
BOS
-
STN
2 stops21h 35m
Multiple Airlines
Deal found 25/7£433
Mon 7/921:25
LHR
-
BOS
1 stop26h 25m
Icelandair
Wed 16/920:50
BOS
-
LHR
1 stop18h 30m
Icelandair
Deal found 24/7£433
Thu 29/1010:40
LGW
-
BOS
1 stop14h 15m
TAP AIR PORTUGAL
Fri 6/1118:00
BOS
-
LGW
1 stop16h 45m
TAP AIR PORTUGAL
Deal found 25/7£433
Thu 29/1006:00
LHR
-
BOS
1 stop18h 55m
TAP AIR PORTUGAL
Thu 5/1122:10
BOS
-
LHR
1 stop19h 30m
TAP AIR PORTUGAL
Deal found 27/7£434
Thu 22/1013:35
LGW
-
BOS
1 stop12h 30m
Multiple Airlines
Wed 28/1020:50
BOS
-
LGW
1 stop10h 05m
Multiple Airlines
Deal found 27/7£434
Wed 23/920:50
LHR
-
BOS
1 stop29h 15m
LEVEL
Wed 30/922:55
BOS
-
LHR
1 stop29h 15m
LEVEL
Deal found 23/7£435
Mon 5/1012:05
LGW
-
BOS
1 stop13h 15m
TAP AIR PORTUGAL
Mon 19/1023:15
BOS
-
LGW
1 stop16h 10m
TAP AIR PORTUGAL
Deal found 22/7£435
Mon 17/816:40
LHR
-
BOS
1 stop12h 19m
United Airlines
Sat 29/818:00
BOS
-
LHR
1 stop10h 20m
United Airlines
Deal found 26/7£435

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 28 July 2026.

Round-trip from

£432

One-way from

£343

Popular in

June

Cheapest in

February

Average price

£537
Icelandair
  • Icelandair
  • 1/9-8/9
  • 2 total stops
  • 29h 15m total
  • London to New Hampshire
Search Deals
15/10
  • 15/10
  • 3 total stops
  • 28h 35m total
  • London to New Hampshire
Search Deals
Highest demand for flights based on searches. 11% potential increase in price (£49 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 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 28 July 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

LTN - BOS

LTNBOS

London Luton

Wed 9/9

06:15-18:50

2 stops17h 35m

Boston Logan Intl

Mon 14/9

20:50-22:50

2 stops21h 00m

£438

LondonBoston

LGW - BOS

LGWBOS

London Gatwick

Tue 20/10

15:40-18:50

1 stop32h 10m

Boston Logan Intl

Wed 28/10

20:50-10:55

1 stop10h 05m

£441

LondonBoston

LTN - BOS

LTNBOS

London Luton

Wed 9/9

09:15-21:45

2 stops17h 30m

Boston Logan Intl

Wed 16/9

20:50-21:05

2 stops19h 15m

£450

LondonBoston

LGW - BOS

LGWBOS

London Gatwick

Wed 21/10

15:40-21:45

1 stop11h 05m

Boston Logan Intl

Fri 30/10

20:50-10:55

1 stop10h 05m

£470

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Wed 23/9

06:00-20:20

2 stops19h 20m

Boston Logan Intl

Sun 27/9

18:05-10:20

1 stop11h 15m

£489

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Mon 5/10

12:10-19:55

1 stop12h 45m

Boston Logan Intl

Wed 21/10

21:40-17:50

1 stop15h 10m

£489

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Fri 23/10

19:50-20:20

2 stops29h 30m

Boston Logan Intl

Mon 2/11

18:00-21:35

1 stop22h 35m

£489

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Thu 3/9

07:30-16:48

2 stops14h 18m

Boston Logan Intl

Tue 8/9

21:40-16:25

1 stop13h 45m

£495

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Wed 9/9

07:30-16:48

2 stops14h 18m

Boston Logan Intl

Mon 14/9

19:23-10:40

1 stop10h 17m

£495

LondonBoston

LGW - BOS

LGWBOS

London Gatwick

Sat 10/10

10:35-20:20

2 stops14h 45m

Boston Logan Intl

Sat 24/10

18:05-11:05

2 stops36h 00m

£497

Flights are sorted by cheapest return flights first.

Deals found on 23/7

Showing 1-10 of 60 resultsSorted by cheapest first
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6

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 12h 45m. 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
Luton to John F Kennedy Intl flights
Heathrow to Miami flights
Heathrow to Orlando flights
Stansted to Newark flights
Luton to Newark flights
Heathrow to O'Hare Intl flights
London City to Newark flights
Heathrow to San Francisco flights
Manchester to Orlando flights
Manchester to John F Kennedy Intl flights
Heathrow to Boston flights
Heathrow to Dulles Intl flights
Heathrow to Dallas/Fort Worth flights
Gatwick to Los Angeles flights
Heathrow to Las Vegas flights
Stansted to Los Angeles flights
Gatwick to Orlando flights
Heathrow to Baltimore flights
Gatwick to Miami flights
London City to Los Angeles flights
Stansted to Miami flights
London City to Miami flights
Heathrow to Hobby flights
Heathrow to Seattle flights
Heathrow to Atlanta flights
Stansted to Orlando flights
Gatwick to Boston flights
Manchester to Newark flights
Heathrow to George Bush Intcntl flights
Heathrow to Tampa flights
Heathrow to Denver flights
Luton to Los Angeles flights
London City to Orlando flights
Heathrow to Ontario flights
Gatwick to San Francisco flights
Manchester to LaGuardia flights
Luton to Miami flights
Gatwick to O'Hare Intl flights
London City to O'Hare Intl flights
Stansted to O'Hare Intl flights
London City to San Francisco 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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