Find flights
Deals
When to book
FAQs

Cheap flights from London to New Hampshire from £341

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 8/9. Fares are subject to change and may not be available on all flights or dates of travel.
LON — MHT
30 Aug — 6 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 31 July 2026.

Wed 23/909:55
LHR
-
BOS
1 stop16h 10m
LEVEL
Wed 30/922:55
BOS
-
LHR
1 stop29h 15m
LEVEL
Deal found 31/7£427
Wed 9/920:50
LHR
-
BOS
1 stop29h 15m
LEVEL
Wed 16/922:55
BOS
-
LHR
1 stop29h 15m
LEVEL
Deal found 31/7£428
Wed 2/906:15
LTN
-
BOS
2 stops17h 35m
Multiple Airlines
Mon 14/920:50
BOS
-
LTN
2 stops21h 00m
Multiple Airlines
Deal found 30/7£428
Sat 19/920:50
LHR
-
BOS
1 stop29h 55m
LEVEL
Sun 27/923:35
BOS
-
LHR
1 stop28h 35m
LEVEL
Deal found 29/7£429
Sat 17/1012:05
LGW
-
BOS
1 stop13h 15m
TAP AIR PORTUGAL
Tue 27/1019:00
BOS
-
LGW
1 stop10h 50m
TAP AIR PORTUGAL
Deal found 27/7£429
Wed 2/906:30
STN
-
BOS
2 stops17h 20m
Multiple Airlines
Mon 14/920:50
BOS
-
STN
2 stops17h 35m
Multiple Airlines
Deal found 30/7£430
Fri 21/809:40
LHR
-
BOS
Nonstop7h 39m
Delta
Mon 24/817:05
BOS
-
LHR
1 stop12h 15m
Delta
Deal found 26/7£430
Wed 4/1111:55
LGW
-
BOS
1 stop10h 55m
Icelandair
Thu 19/1119:50
BOS
-
LGW
1 stop10h 05m
Icelandair
Deal found 29/7£430
Wed 16/918:10
LTN
-
BOS
2 stops25h 35m
Multiple Airlines
Tue 22/922:45
BOS
-
LTN
2 stops20h 00m
Multiple Airlines
Deal found 30/7£430
Tue 1/916:50
LGW
-
BOS
1 stop33h 15m
LEVEL
Sun 20/923:35
BOS
-
LGW
1 stop29h 40m
LEVEL
Deal found 26/7£430
Thu 3/906:30
STN
-
BOS
2 stops20h 15m
Multiple Airlines
Tue 8/920:50
BOS
-
STN
2 stops19h 30m
Multiple Airlines
Deal found 31/7£431
Tue 11/817:35
LHR
-
BOS
Nonstop7h 30m
British Airways
Tue 18/807:25
BOS
-
LHR
Nonstop6h 30m
British Airways
Deal found 27/7£431

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 31 July 2026.

Round-trip from

£428

One-way from

£341

Popular in

June

Cheapest in

February

Average price

£533
2/9-14/9
  • 2/9-14/9
  • 4 total stops
  • 38h 35m total
  • London to New Hampshire
Search Deals
Lufthansa
  • Lufthansa
  • 8/9
  • 1 total stop
  • 11h 25m total
  • London to New Hampshire
Search Deals
Highest demand for flights based on searches. 11% potential increase in price (£49 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 July 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 31 July 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

Wed 2/9

06:15-18:50

2 stops17h 35m

Boston Logan Intl

Mon 14/9

20:50-22:50

2 stops21h 00m

£428

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Sat 19/9

20:50-21:45

1 stop29h 55m

Boston Logan Intl

Sun 27/9

23:35-09:10

1 stop28h 35m

£431

LondonBoston

LGW - BOS

LGWBOS

London Gatwick

Sat 5/9

19:40-21:45

1 stop31h 05m

Boston Logan Intl

Sun 11/10

23:35-12:15

1 stop31h 40m

£444

LondonBoston

LTN - BOS

LTNBOS

London Luton

Fri 4/9

06:20-14:55

1 stop13h 35m

Boston Logan Intl

Sun 13/9

17:25-13:25

1 stop15h 00m

£447

LondonBoston

LGW - BOS

LGWBOS

London Gatwick

Wed 30/9

15:40-21:45

1 stop11h 05m

Boston Logan Intl

Wed 14/10

23:00-14:40

1 stop10h 40m

£456

LondonBoston

LTN - BOS

LTNBOS

London Luton

Mon 14/9

08:15-18:50

2 stops15h 35m

Boston Logan Intl

Mon 21/9

23:00-15:45

2 stops11h 45m

£474

LondonBoston

LTN - BOS

LTNBOS

London Luton

Sat 19/9

11:00-15:35

2 stops33h 35m

Boston Logan Intl

Sun 27/9

17:40-21:40

2 stops23h 00m

£477

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Mon 14/12

13:45-20:20

1 stop11h 35m

Boston Logan Intl

Mon 28/12

17:00-10:50

2 stops12h 50m

£483

LondonBoston

LGW - BOS

LGWBOS

London Gatwick

Mon 9/11

21:35-20:45

1 stop28h 10m

Boston Logan Intl

Mon 23/11

22:10-08:50

2 stops29h 40m

£485

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Sat 19/9

06:55-17:40

1 stop15h 45m

Boston Logan Intl

Sun 27/9

21:40-16:25

1 stop13h 45m

£488

Flights are sorted by cheapest return flights first.

Deals found on 29/7

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 11h 05m. 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

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