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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 16/8. Fares are subject to change and may not be available on all flights or dates of travel.
LON — MHT
6 Jun — 13 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 7 May 2026.

Tue 29/915:40
LGW
-
BOS
1 stop11h 05m
Icelandair
Tue 6/1023:00
BOS
-
LGW
1 stop10h 40m
Icelandair
Deal found 4/5£472
Fri 17/709:15
LHR
-
BOS
1 stop14h 55m
Iberia
Sun 30/821:20
BOS
-
LHR
1 stop12h 35m
Iberia
Deal found 4/5£473
Sat 11/718:15
LTN
-
BOS
1 stop32h 30m
Multiple Airlines
Wed 29/722:55
BOS
-
LTN
1 stop18h 45m
Multiple Airlines
Deal found 2/5£473
Sat 9/512:05
LGW
-
BOS
1 stop13h 15m
TAP AIR PORTUGAL
Mon 11/523:15
BOS
-
LGW
1 stop31h 05m
TAP AIR PORTUGAL
Deal found 3/5£473
Mon 14/913:05
LHR
-
BOS
1 stop13h 40m
Icelandair
Fri 18/920:50
BOS
-
LHR
1 stop10h 05m
Icelandair
Deal found 3/5£474
Sun 17/509:00
LTN
-
BOS
1 stop10h 55m
Multiple Airlines
Sun 24/517:25
BOS
-
LTN
1 stop13h 00m
Multiple Airlines
Deal found 2/5£474
Mon 19/1012:05
LGW
-
BOS
1 stop13h 15m
TAP AIR PORTUGAL
Mon 26/1019:00
BOS
-
LGW
2 stops21h 35m
TAP AIR PORTUGAL
Deal found 4/5£474
Sun 13/921:25
LHR
-
BOS
1 stop26h 25m
Icelandair
Fri 18/920:50
BOS
-
LHR
1 stop18h 30m
Icelandair
Deal found 3/5£474
Mon 22/615:40
LGW
-
BOS
1 stop11h 05m
Icelandair
Mon 6/720:50
BOS
-
LGW
1 stop9h 55m
Icelandair
Deal found 2/5£474
Tue 19/521:25
LHR
-
BOS
1 stop26h 25m
Icelandair
Tue 7/723:00
BOS
-
LHR
1 stop16h 20m
Icelandair
Deal found 3/5£475
Mon 11/521:05
LGW
-
BOS
1 stop29h 00m
LEVEL
Fri 15/522:50
BOS
-
LGW
1 stop28h 40m
LEVEL
Deal found 4/5£475
Tue 7/717:35
LHR
-
BOS
Nonstop7h 30m
British Airways
Thu 16/721:50
BOS
-
LHR
Nonstop6h 45m
British Airways
Deal found 4/5£476

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 7 May 2026.

Round-trip from

£472

One-way from

£343

Popular in

June

Cheapest in

September

Average price

£474
Icelandair
  • Icelandair
  • 29/9-6/10
  • 2 total stops
  • 21h 45m total
  • London to New Hampshire
Search Deals
16/8
  • 16/8
  • 2 total stops
  • 37h 05m total
  • London to New Hampshire
Search Deals
Highest demand for flights based on searches. 8% potential increase in price (£30 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (£5 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 7 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

LTN - BOS

LTNBOS

London Luton

Fri 22/5

06:20-14:55

1 stop13h 35m

Boston Logan Intl

Wed 27/5

17:25-09:00

1 stop10h 35m

£484

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Wed 7/10

06:00-14:45

1 stop13h 45m

Boston Logan Intl

Wed 21/10

18:05-12:45

1 stop13h 40m

£485

LondonBoston

LTN - BOS

LTNBOS

London Luton

Tue 2/6

16:10-14:55

1 stop27h 45m

Boston Logan Intl

Sat 6/6

17:25-08:20

1 stop9h 55m

£489

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Sun 30/8

09:55-21:55

1 stop17h 00m

Boston Logan Intl

Sun 6/9

23:50-09:10

1 stop28h 20m

£493

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Mon 22/6

20:50-21:00

1 stop29h 10m

Boston Logan Intl

Thu 6/8

23:35-20:05

1 stop15h 30m

£495

LondonBoston

LTN - BOS

LTNBOS

London Luton

Tue 19/5

05:40-21:05

1 stop20h 25m

Boston Logan Intl

Sat 23/5

22:50-18:05

1 stop14h 15m

£498

LondonBoston

LGW - BOS

LGWBOS

London Gatwick

Thu 28/5

18:40-21:05

1 stop31h 25m

Boston Logan Intl

Thu 4/6

23:55-10:15

1 stop29h 20m

£505

LondonBoston

LTN - BOS

LTNBOS

London Luton

Tue 1/9

16:10-15:35

2 stops28h 25m

Boston Logan Intl

Mon 14/9

17:40-15:45

2 stops17h 05m

£506

LondonBoston

LGW - BOS

LGWBOS

London Gatwick

Wed 7/10

09:25-15:10

1 stop10h 45m

Boston Logan Intl

Mon 19/10

17:20-08:25

1 stop10h 05m

£513

LondonBoston

LCY - BOS

LCYBOS

London City

Mon 5/10

09:15-15:40

1 stop11h 25m

Boston Logan Intl

Tue 20/10

17:45-08:40

1 stop9h 55m

£538

Flights are sorted by cheapest return flights first.

Deals found on 3/5

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 10h 45m. The distance from London to New Hampshire is about 3272 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
Heathrow to LaGuardia flights
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Gatwick to LaGuardia flights
Luton to John F Kennedy Intl flights
Heathrow to Los Angeles flights
Heathrow to Orlando flights
Stansted to Newark flights
London City to Newark flights
Luton to Newark flights
Heathrow to Miami flights
Heathrow to Boston flights
Heathrow to Seattle flights
Heathrow to San Francisco flights
Manchester to John F Kennedy Intl flights
Gatwick to Boston flights
Heathrow to O'Hare Intl flights
Heathrow to Las Vegas flights
Heathrow to Dallas/Fort Worth flights
Manchester to Orlando flights
Heathrow to Dulles Intl flights
Gatwick to Orlando flights
Heathrow to Atlanta flights
Heathrow to Baltimore flights
Heathrow to Hobby flights
Gatwick to Los Angeles flights
Stansted to Los Angeles flights
London City to Los Angeles flights
London City to Boston flights
Gatwick to Miami flights
Stansted to Orlando flights
Stansted to Boston flights
Manchester to Newark flights
Stansted to Miami flights
Heathrow to George Bush Intcntl flights
London City to Miami flights
Gatwick to Seattle flights
Manchester to LaGuardia flights
Gatwick to San Francisco flights
London City to Orlando flights
Heathrow to Tampa flights
London City to San Francisco flights
Stansted to Seattle flights
Stansted to San Francisco flights
Heathrow to Denver 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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