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Cheap flights from London to New Hampshire from £335

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 21/6. Fares are subject to change and may not be available on all flights or dates of travel.
LON — MHT
4 May — 11 May1
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 4 April 2026.

Wed 25/1111:55
LGW
-
BOS
1 stop10h 55m
Icelandair
Sun 29/1119:50
BOS
-
LGW
1 stop10h 05m
Icelandair
Deal found 2/4£402
Wed 12/820:10
LHR
-
BOS
Nonstop7h 25m
British Airways
Wed 26/821:50
BOS
-
LHR
Nonstop6h 45m
British Airways
Deal found 3/4£406
Sun 19/413:05
LHR
-
BOS
1 stop10h 45m
Icelandair
Sun 26/420:50
BOS
-
LHR
1 stop10h 05m
Icelandair
Deal found 3/4£408
Mon 2/1111:55
LGW
-
BOS
1 stop10h 55m
Icelandair
Fri 6/1119:50
BOS
-
LGW
1 stop10h 05m
Icelandair
Deal found 2/4£408
Mon 20/408:15
STN
-
BOS
2 stops18h 30m
Multiple Airlines
Mon 27/420:50
BOS
-
STN
2 stops17h 00m
Multiple Airlines
Deal found 31/3£410
Wed 25/1111:55
LGW
-
BOS
1 stop10h 55m
Icelandair
Sat 28/1119:50
BOS
-
LGW
1 stop10h 05m
Icelandair
Deal found 30/3£410
Thu 16/408:15
STN
-
BOS
2 stops18h 30m
Multiple Airlines
Mon 20/420:50
BOS
-
STN
2 stops20h 35m
Multiple Airlines
Deal found 31/3£412
Thu 30/407:20
STN
-
BOS
2 stops16h 30m
Multiple Airlines
Thu 7/520:50
BOS
-
STN
2 stops22h 40m
Multiple Airlines
Deal found 31/3£415
Fri 22/514:30
LHR
-
BOS
Nonstop7h 25m
British Airways
Wed 27/507:25
BOS
-
LHR
Nonstop6h 30m
British Airways
Deal found 2/4£415
Tue 17/1111:55
LGW
-
BOS
1 stop10h 55m
Icelandair
Tue 24/1119:50
BOS
-
LGW
1 stop10h 05m
Icelandair
Deal found 31/3£415
Wed 18/1111:55
LGW
-
BOS
1 stop10h 55m
Icelandair
Wed 25/1119:50
BOS
-
LGW
1 stop10h 05m
Icelandair
Deal found 1/4£416
Mon 16/1111:55
LGW
-
BOS
1 stop10h 55m
Icelandair
Mon 23/1119:50
BOS
-
LGW
1 stop10h 05m
Icelandair
Deal found 30/3£417

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 4 April 2026.

Round-trip from

£406

One-way from

£335

Popular in

July

Cheapest in

September

Average price

£477
British Airways
  • British Airways
  • 12/8-26/8
  • Nonstop
  • 14h 10m total
  • London to New Hampshire
Search Deals
21/6
  • 21/6
  • 2 total stops
  • 29h 35m total
  • London to New Hampshire
Search Deals
Highest demand for flights based on searches. 9% potential increase in price (£37 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 April 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 4 April 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

Sun 19/4

09:00-22:00

1 stop18h 00m

Boston Logan Intl

Sun 26/4

17:25-15:25

1 stop17h 00m

£433

LondonBoston

LGW - BOS

LGWBOS

London Gatwick

Tue 5/5

18:35-21:05

1 stop31h 30m

Boston Logan Intl

Fri 8/5

22:50-08:30

1 stop28h 40m

£461

LondonBoston

LTN - BOS

LTNBOS

London Luton

Mon 4/5

08:15-18:50

2 stops15h 35m

Boston Logan Intl

Tue 12/5

20:50-22:10

2 stops20h 20m

£464

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Wed 29/4

21:25-21:45

1 stop29h 20m

Boston Logan Intl

Mon 4/5

23:00-20:20

1 stop16h 20m

£489

LondonBoston

LTN - BOS

LTNBOS

London Luton

Thu 14/5

21:40-20:55

3 stops28h 15m

Boston Logan Intl

Mon 18/5

20:50-22:50

2 stops21h 00m

£514

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Tue 5/5

09:15-19:25

1 stop15h 10m

Boston Logan Intl

Mon 11/5

19:30-07:10

Nonstop6h 40m

£517

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Mon 20/4

21:05-15:35

2 stops23h 30m

Boston Logan Intl

Mon 27/4

17:40-14:35

2 stops15h 55m

£521

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Thu 6/8

06:15-13:39

1 stop12h 24m

Boston Logan Intl

Fri 14/8

23:10-10:40

Nonstop6h 30m

£538

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Fri 26/6

11:45-18:30

1 stop11h 45m

Boston Logan Intl

Mon 6/7

23:10-10:40

Nonstop6h 30m

£538

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Sun 9/8

06:15-13:39

1 stop12h 24m

Boston Logan Intl

Wed 19/8

19:10-06:45

Nonstop6h 35m

£538

Flights are sorted by cheapest return flights first.

Deals found on 31/3

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 15h 10m. 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.
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Heathrow to Newark flights
Gatwick to John F Kennedy Intl flights
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Stansted to John F Kennedy Intl flights
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Gatwick to LaGuardia flights
Heathrow to Miami flights
Heathrow to Boston flights
Luton to John F Kennedy Intl flights
Heathrow to San Francisco flights
Heathrow to Dallas/Fort Worth flights
Manchester to John F Kennedy Intl flights
Gatwick to Orlando flights
Heathrow to O'Hare Intl flights
Gatwick to Los Angeles flights
Stansted to Newark flights
Luton to Newark flights
Manchester to Orlando flights
Heathrow to Las Vegas flights
Heathrow to Dulles Intl flights
Heathrow to Seattle flights
London City to Newark flights
Heathrow to Hobby flights
Gatwick to Boston flights
Stansted to Orlando flights
Stansted to Los Angeles flights
Gatwick to Miami flights
London City to Los Angeles flights
Stansted to Miami flights
Heathrow to Atlanta flights
Edinburgh to John F Kennedy Intl flights
Heathrow to Baltimore flights
Heathrow to Tampa flights
London City to Miami flights
Heathrow to George Bush Intcntl flights
Manchester to Newark flights
London City to Orlando flights
Edinburgh to Newark flights
London City to Boston flights
Heathrow to Ontario flights
Heathrow to Nashville flights
Luton to Los Angeles flights
Stansted to Boston flights
Edinburgh to Boston flights
Heathrow to Denver flights
Gatwick to San Francisco 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 4 April 2026.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest£971Average£1,225FlexibilityNo 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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