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Cheap flights from London to New Hampshire from £303

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 21/4. Fares are subject to change and may not be available on all flights or dates of travel.
LON — MHT
11 Apr — 18 Apr1
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 12 March 2026.

Thu 30/406:55
STN
-
BOS
1 stop19h 10m
Multiple Airlines
Fri 1/522:50
BOS
-
STN
1 stop13h 55m
Multiple Airlines
Deal found 9/3£364
Tue 31/313:05
LHR
-
BOS
1 stop10h 45m
Icelandair
Tue 12/520:50
BOS
-
LHR
1 stop10h 05m
Icelandair
Deal found 8/3£364
Wed 29/412:40
LHR
-
BOS
1 stop10h 05m
Air Canada
Wed 20/515:40
BOS
-
LHR
1 stop12h 55m
Air Canada
Deal found 9/3£364
Sun 5/415:40
LGW
-
BOS
1 stop11h 05m
Icelandair
Tue 12/520:50
BOS
-
LGW
1 stop12h 50m
Icelandair
Deal found 8/3£364
Sun 5/415:40
LGW
-
BOS
1 stop11h 05m
Icelandair
Wed 13/520:50
BOS
-
LGW
1 stop9h 55m
Icelandair
Deal found 8/3£365
Tue 28/412:00
LHR
-
BOS
1 stop13h 04m
United Airlines
Thu 14/507:00
BOS
-
LHR
1 stop9h 35m
United Airlines
Deal found 9/3£366
Mon 27/408:30
LHR
-
BOS
1 stop14h 31m
Air Canada
Wed 20/515:40
BOS
-
LHR
1 stop13h 20m
Air Canada
Deal found 9/3£369
Thu 30/413:05
LHR
-
BOS
1 stop13h 40m
Icelandair
Sun 10/520:50
BOS
-
LHR
1 stop10h 05m
Icelandair
Deal found 9/3£370
Wed 29/414:30
LHR
-
BOS
Nonstop7h 25m
British Airways
Mon 18/519:35
BOS
-
LHR
Nonstop6h 35m
British Airways
Deal found 9/3£371
Mon 27/408:30
LHR
-
BOS
1 stop14h 31m
Air Canada
Thu 14/512:30
BOS
-
LHR
1 stop13h 05m
Air Canada
Deal found 9/3£372
Mon 20/406:40
STN
-
BOS
1 stop19h 25m
Multiple Airlines
Mon 27/422:50
BOS
-
STN
1 stop13h 40m
Multiple Airlines
Deal found 8/3£372
Tue 17/312:15
LHR
-
BOS
1 stop27h 20m
Icelandair
Tue 24/320:50
BOS
-
LHR
1 stop10h 00m
Icelandair
Deal found 8/3£374

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 12 March 2026.

Round-trip from

£364

One-way from

£303

Popular in

July

Cheapest in

September

Average price

£456
30/4-1/5
  • 30/4-1/5
  • 2 total stops
  • 33h 05m total
  • London to New Hampshire
Search Deals
20/5
  • 20/5
  • 3 total stops
  • 39h 20m 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 March 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 12 March 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

Tue 28/4

16:10-15:35

2 stops28h 25m

Boston Logan Intl

Tue 5/5

17:40-15:30

2 stops16h 50m

£439

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Thu 7/5

13:05-21:45

1 stop13h 40m

Boston Logan Intl

Mon 11/5

20:50-11:55

1 stop10h 05m

£443

LondonBoston

LGW - BOS

LGWBOS

London Gatwick

Thu 7/5

13:00-21:45

1 stop13h 45m

Boston Logan Intl

Mon 11/5

20:50-14:40

1 stop12h 50m

£445

LondonBoston

LTN - BOS

LTNBOS

London Luton

Tue 28/4

09:40-17:40

2 stops37h 00m

Boston Logan Intl

Sun 10/5

23:30-13:25

1 stop8h 55m

£473

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Sun 3/5

06:40-15:35

2 stops13h 55m

Boston Logan Intl

Sun 10/5

17:40-14:35

2 stops15h 55m

£499

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Fri 5/6

06:40-15:35

1 stop13h 55m

Boston Logan Intl

Sun 7/6

17:40-16:25

2 stops17h 45m

£509

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Sat 16/5

06:30-13:16

1 stop11h 46m

Boston Logan Intl

Tue 19/5

19:00-06:45

Nonstop6h 45m

£511

LondonBoston

LGW - BOS

LGWBOS

London Gatwick

Sun 6/9

09:10-22:05

1 stop17h 55m

Boston Logan Intl

Sun 13/9

23:50-12:15

1 stop31h 25m

£512

LondonBoston

LGW - BOS

LGWBOS

London Gatwick

Thu 7/5

11:30-23:47

2 stops17h 17m

Boston Logan Intl

Mon 11/5

17:40-20:00

1 stop21h 20m

£514

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Tue 2/6

21:05-15:35

2 stops23h 30m

Boston Logan Intl

Sun 7/6

17:40-16:25

2 stops17h 45m

£515

Flights are sorted by cheapest return flights first.

Deals found on 8/3

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 11h 46m. 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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Heathrow to Orlando flights
Stansted to John F Kennedy Intl flights
Heathrow to Miami flights
Gatwick to LaGuardia flights
Heathrow to Boston flights
Manchester to John F Kennedy Intl flights
Heathrow to Las Vegas flights
Heathrow to San Francisco flights
Luton to John F Kennedy Intl flights
Manchester to Orlando flights
Stansted to Newark flights
London City to Newark flights
Luton to Newark flights
Gatwick to Orlando flights
Heathrow to O'Hare Intl flights
Heathrow to Dallas/Fort Worth flights
Heathrow to Dulles Intl flights
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Heathrow to Seattle flights
Heathrow to Hobby flights
Stansted to Los Angeles flights
Edinburgh to John F Kennedy Intl flights
Gatwick to Miami flights
Heathrow to Atlanta flights
London City to Los Angeles flights
Edinburgh to Newark flights
Heathrow to Tampa flights
Manchester to Newark flights
Stansted to Miami flights
Stansted to Orlando flights
Heathrow to George Bush Intcntl flights
London City to Boston flights
London City to Miami flights
Heathrow to Baltimore flights
Manchester to LaGuardia flights
Heathrow to Ontario flights
Heathrow to Nashville flights
Stansted to Boston flights
Gatwick to Las Vegas flights
Luton to Los Angeles flights
Gatwick to San Francisco flights
Luton to Miami 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 12 March 2026.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest£764Average£1,211FlexibilityNo 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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