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Cheap flights from London to New Hampshire from £287

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 14/4. Fares are subject to change and may not be available on all flights or dates of travel.
LON — MHT
26 Feb — 5 Mar1
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 27 January 2026.

Sun 12/406:30
LHR
-
BOS
1 stop14h 10m
Multiple Airlines
Sat 18/418:40
BOS
-
LHR
1 stop21h 20m
Multiple Airlines
Deal found 26/1£349
Mon 23/211:55
LGW
-
BOS
1 stop10h 55m
Icelandair
Sat 28/219:50
BOS
-
LGW
1 stop10h 05m
Icelandair
Deal found 26/1£349
Sat 7/206:35
LHR
-
BOS
1 stop17h 00m
United Airlines
Sat 14/218:25
BOS
-
LHR
1 stop11h 40m
United Airlines
Deal found 26/1£350
Mon 16/207:30
LHR
-
BOS
1 stop11h 05m
United Airlines
Mon 23/214:20
BOS
-
LHR
2 stops13h 05m
United Airlines
Deal found 26/1£350
Sun 15/207:30
LHR
-
BOS
2 stops16h 11m
United Airlines
Sun 22/215:35
BOS
-
LHR
2 stops14h 10m
United Airlines
Deal found 26/1£351
Mon 2/211:55
LGW
-
BOS
1 stop10h 55m
Icelandair
Thu 5/219:50
BOS
-
LGW
1 stop10h 05m
Icelandair
Deal found 26/1£351
Wed 11/208:50
LHR
-
BOS
1 stop10h 05m
British Airways
Mon 16/221:35
BOS
-
LHR
Nonstop6h 40m
British Airways
Deal found 26/1£352
Wed 9/918:35
LGW
-
BOS
1 stop30h 20m
SWISS
Tue 15/921:40
BOS
-
LGW
1 stop15h 10m
SWISS
Deal found 26/1£352
Fri 1/508:30
LHR
-
BOS
1 stop12h 10m
Lufthansa
Tue 5/519:27
BOS
-
LHR
1 stop10h 13m
Lufthansa
Deal found 26/1£353
Thu 5/206:50
LHR
-
BOS
2 stops13h 02m
Air Canada
Mon 9/218:40
BOS
-
LHR
1 stop20h 55m
Air Canada
Deal found 26/1£353
Mon 20/421:15
LGW
-
BOS
2 stops22h 25m
TAP AIR PORTUGAL
Sun 3/523:15
BOS
-
LGW
1 stop31h 05m
TAP AIR PORTUGAL
Deal found 26/1£354
Mon 27/406:55
LHR
-
BOS
1 stop15h 45m
United Airlines
Thu 7/520:05
BOS
-
LHR
1 stop16h 00m
United Airlines
Deal found 26/1£355

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 27 January 2026.

Round-trip from

£349

One-way from

£287

Popular in

July

Cheapest in

September

Average price

£429
Air Canada
  • Air Canada
  • 12/4-18/4
  • 2 total stops
  • 35h 30m total
  • London to New Hampshire
Search Deals
SWISS
  • SWISS
  • 14/4
  • 1 total stop
  • 10h 55m total
  • London to New Hampshire
Search Deals
Highest demand for flights based on searches. 11% potential increase in price (£42 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 January 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 27 January 2026.
Use the filters below to find and compare flights from London to New Hampshire that are best for you.

Fly from

London

Fly to

New Hampshire

Route

Depart

Return

Price

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Fri 8/5

06:50-16:24

2 stops14h 34m

Boston Logan Intl

Wed 20/5

15:40-10:00

1 stop13h 20m

£360

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Wed 15/4

07:30-16:22

2 stops13h 52m

Boston Logan Intl

Mon 18/5

17:45-08:40

1 stop9h 55m

£361

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Fri 17/4

13:05-21:45

1 stop13h 40m

Boston Logan Intl

Tue 21/4

20:50-11:55

1 stop10h 05m

£363

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Mon 16/2

13:30-16:15

Nonstop7h 45m

Boston Logan Intl

Mon 23/2

15:49-06:15

1 stop9h 26m

£364

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Sun 22/2

13:25-09:32

1 stop25h 07m

Boston Logan Intl

Sun 1/3

14:20-06:40

1 stop11h 20m

£366

LondonBoston

LTN - BOS

LTNBOS

London Luton

Wed 11/3

06:50-14:55

1 stop12h 05m

Boston Logan Intl

Wed 18/3

18:10-08:35

1 stop10h 25m

£369

LondonBoston

STN - BOS

STNBOS

London Stansted

Tue 3/3

07:40-20:55

1 stop18h 15m

Boston Logan Intl

Tue 17/3

19:05-23:10

2 stops24h 05m

£371

LondonBoston

LTN - BOS

LTNBOS

London Luton

Tue 3/3

06:50-20:55

1 stop19h 05m

Boston Logan Intl

Tue 17/3

23:40-22:25

1 stop18h 45m

£374

LondonBoston

LGW - BOS

LGWBOS

London Gatwick

Fri 29/5

15:40-21:45

1 stop11h 05m

Boston Logan Intl

Sun 31/5

23:00-14:40

1 stop10h 40m

£377

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Fri 27/2

06:30-13:25

1 stop11h 55m

Boston Logan Intl

Sun 1/3

19:10-06:50

Nonstop6h 40m

£379

Flights are sorted by cheapest return flights first.

Deals found on 24/1

Showing 1-10 of 60 results
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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 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 Stansted - 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.
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Stansted to Los Angeles flights
London City to Los Angeles flights
Edinburgh to Newark flights
Heathrow to Baltimore flights
Luton to Miami flights
Heathrow to George Bush Intcntl flights
Heathrow to Ontario flights
Gatwick to San Francisco flights
Heathrow to Denver flights
Heathrow to Nashville flights
Stansted to Orlando flights
London City to Orlando flights
London City to Dallas/Fort Worth flights

Top airline flying from London to New Hampshire

Discover the top airline that operate flights from London to New Hampshire. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 27 January 2026.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest£747Average£1,184FlexibilityNo cancel feeOn-time76%
Search Icelandair 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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