Find flights
Deals
When to book
FAQs

Cheap flights from London to New Hampshire from £336

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 2/11. Fares are subject to change and may not be available on all flights or dates of travel.
LON — MHT
17 Sep — 24 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 18 August 2026.

Thu 5/1114:50 -
2 stops34h 05m
Thu 12/1122:10 -
2 stops20h 10m
Deal found 13/8£441
Thu 3/913:05 -
1 stop13h 00m
Thu 10/922:55 -
1 stop30h 20m
Deal found 13/8£441
Wed 9/913:05 -
1 stop10h 45m
Wed 28/1020:50 -
1 stop10h 00m
Deal found 14/8£442
Sun 4/1015:40 -
1 stop32h 10m
Wed 14/1020:50 -
1 stop12h 50m
Deal found 17/8£442
Mon 28/921:25 -
1 stop26h 25m
Mon 5/1020:50 -
1 stop18h 30m
Deal found 14/8£443
Thu 8/1009:10 -
1 stop16h 55m
Wed 14/1022:55 -
1 stop28h 35m
Deal found 16/8£443
Fri 9/1006:50 -
2 stops19h 55m
Fri 23/1020:50 -
2 stops23h 00m
Deal found 16/8£443
Wed 7/1009:15 -
2 stops17h 30m
Wed 14/1020:50 -
2 stops19h 15m
Deal found 14/8£443
Tue 17/1112:15 -
1 stop10h 35m
Wed 2/1219:50 -
1 stop18h 40m
Deal found 17/8£443
Thu 10/1210:40 -
1 stop14h 15m
Sun 13/1222:45 -
1 stop16h 50m
Deal found 16/8£443
Sun 29/1113:40 -
2 stops33h 10m
Thu 3/1219:50 -
2 stops13h 45m
Deal found 15/8£444
Tue 1/913:05 -
1 stop13h 40m
Wed 16/1219:50 -
1 stop10h 00m
Deal found 14/8£444

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 18 August 2026.

Round-trip from

£440

One-way from

£336

Popular in

June

Cheapest in

February

Average price

£539
23/9-27/9
  • 23/9-27/9
  • 4 total stops
  • 50h 45m total
  • London to New Hampshire
Search Deals
SWISS
  • SWISS
  • 2/11
  • 1 total stop
  • 16h 05m total
  • London to New Hampshire
Search Deals
Highest demand for flights based on searches. 10% potential increase in price (£44 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£8 potential savings vs. average return price).
Search Deals
Average for round-trip flights in August 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 18 August 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 London Luton - BOS Boston Logan Intl

LTNBOS

London Luton

Wed 14/10

16:30-16:10

2 stops28h 40m

Boston Logan Intl

Thu 22/10

22:55-18:05

1 stop14h 10m

£471

LondonBoston

LGW London Gatwick - BOS Boston Logan Intl

LGWBOS

London Gatwick

Sun 6/9

13:05-21:45

1 stop13h 40m

Boston Logan Intl

Sun 13/9

23:35-08:30

1 stop27h 55m

£479

LondonBoston

LGW London Gatwick - BOS Boston Logan Intl

LGWBOS

London Gatwick

Tue 10/11

16:35-14:40

1 stop27h 05m

Boston Logan Intl

Tue 17/11

22:45-09:25

1 stop29h 40m

£480

LondonBoston

LGW London Gatwick - BOS Boston Logan Intl

LGWBOS

London Gatwick

Thu 24/12

16:00-14:40

1 stop27h 40m

Boston Logan Intl

Sun 3/1

18:00-09:50

1 stop10h 50m

£483

LondonBoston

LHR London Heathrow - BOS Boston Logan Intl

LHRBOS

London Heathrow

Thu 22/10

12:10-19:55

1 stop12h 45m

Boston Logan Intl

Wed 28/10

12:00-06:40

2 stops14h 40m

£483

LondonBoston

LHR London Heathrow - BOS Boston Logan Intl

LHRBOS

London Heathrow

Wed 14/10

12:10-19:55

1 stop12h 45m

Boston Logan Intl

Thu 22/10

17:10-11:20

1 stop13h 10m

£483

LondonBoston

LHR London Heathrow - BOS Boston Logan Intl

LHRBOS

London Heathrow

Mon 30/11

09:00-20:20

1 stop16h 20m

Boston Logan Intl

Thu 3/12

16:30-10:50

2 stops13h 20m

£483

LondonBoston

LHR London Heathrow - BOS Boston Logan Intl

LHRBOS

London Heathrow

Fri 9/10

18:40-19:55

1 stop30h 15m

Boston Logan Intl

Fri 23/10

17:10-11:20

1 stop13h 10m

£485

LondonBoston

LTN London Luton - BOS Boston Logan Intl

LTNBOS

London Luton

Wed 9/9

20:50-17:40

2 stops25h 50m

Boston Logan Intl

Mon 21/9

17:10-20:15

2 stops22h 05m

£485

LondonBoston

LGW London Gatwick - BOS Boston Logan Intl

LGWBOS

London Gatwick

Sat 17/10

12:05-20:20

1 stop13h 15m

Boston Logan Intl

Sat 31/10

23:10-10:05

2 stops30h 55m

£486

Flights are sorted by cheapest return flights first.

Deals found on 15/8

Showing 1-10 of 60 resultsSorted by cheapest first
1
2
3
...
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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.