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 7/5. Fares are subject to change and may not be available on all flights or dates of travel.
LON — MHT
19 May — 26 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 19 April 2026.

Wed 3/615:40
LGW
-
BOS
1 stop11h 05m
Icelandair
Sun 7/623:00
BOS
-
LGW
1 stop31h 45m
Icelandair
Deal found 14/4£404
Thu 28/513:00
LGW
-
BOS
1 stop10h 50m
Icelandair
Mon 1/623:00
BOS
-
LGW
1 stop10h 40m
Icelandair
Deal found 16/4£405
Wed 13/517:35
LHR
-
BOS
Nonstop7h 30m
British Airways
Thu 3/907:25
BOS
-
LHR
Nonstop6h 30m
British Airways
Deal found 14/4£407
Fri 15/513:00
LGW
-
BOS
1 stop13h 05m
LEVEL
Sat 7/1122:40
BOS
-
LGW
1 stop28h 40m
LEVEL
Deal found 15/4£407
Mon 18/520:50
STN
-
BOS
1 stop29h 15m
Multiple Airlines
Mon 25/520:25
BOS
-
STN
2 stops22h 55m
Multiple Airlines
Deal found 17/4£407
Tue 28/720:10
LHR
-
BOS
Nonstop7h 25m
British Airways
Mon 25/118:55
BOS
-
LHR
Nonstop6h 35m
British Airways
Deal found 16/4£408
Mon 14/912:45
LTN
-
BOS
1 stop13h 30m
Multiple Airlines
Tue 29/923:00
BOS
-
LTN
1 stop14h 05m
Multiple Airlines
Deal found 15/4£408
Sat 16/512:05
LGW
-
BOS
1 stop13h 15m
TAP AIR PORTUGAL
Wed 2/918:05
BOS
-
LGW
1 stop10h 40m
TAP AIR PORTUGAL
Deal found 14/4£409
Tue 19/512:45
STN
-
BOS
2 stops35h 05m
Multiple Airlines
Tue 26/520:50
BOS
-
STN
2 stops22h 20m
Multiple Airlines
Deal found 16/4£410
Mon 18/520:50
LHR
-
BOS
1 stop29h 15m
LEVEL
Tue 26/522:50
BOS
-
LHR
1 stop29h 20m
LEVEL
Deal found 17/4£410
Thu 28/515:40
LGW
-
BOS
1 stop11h 05m
Icelandair
Tue 2/623:00
BOS
-
LGW
1 stop10h 40m
Icelandair
Deal found 14/4£410
Wed 27/515:40
LGW
-
BOS
1 stop32h 10m
Icelandair
Wed 3/623:00
BOS
-
LGW
1 stop10h 40m
Icelandair
Deal found 15/4£412

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 19 April 2026.

Round-trip from

£404

One-way from

£341

Popular in

July

Cheapest in

September

Average price

£492
Icelandair
  • Icelandair
  • 3/6-7/6
  • 2 total stops
  • 42h 50m total
  • London to New Hampshire
Search Deals
JetBlue
  • JetBlue
  • 7/5
  • 1 total stop
  • 19h 48m total
  • London to New Hampshire
Search Deals
Highest demand for flights based on searches. 10% potential increase in price (£38 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 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 19 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

Thu 7/5

09:25-22:00

1 stop17h 35m

Boston Logan Intl

Sun 10/5

23:30-21:40

1 stop17h 10m

£434

LondonBoston

LGW - BOS

LGWBOS

London Gatwick

Mon 12/10

16:25-21:15

1 stop33h 50m

Boston Logan Intl

Mon 19/10

23:00-12:15

1 stop32h 15m

£454

LondonBoston

LTN - BOS

LTNBOS

London Luton

Tue 2/6

09:40-18:50

1 stop14h 10m

Boston Logan Intl

Tue 9/6

21:15-13:25

1 stop11h 10m

£460

LondonBoston

LGW - BOS

LGWBOS

London Gatwick

Thu 17/9

15:40-21:45

1 stop11h 05m

Boston Logan Intl

Wed 30/9

23:00-14:40

1 stop10h 40m

£484

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Wed 13/5

09:15-16:10

1 stop11h 55m

Boston Logan Intl

Thu 28/5

06:30-21:40

1 stop10h 10m

£490

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Fri 18/9

13:05-18:50

1 stop10h 45m

Boston Logan Intl

Mon 28/9

20:50-11:55

1 stop10h 05m

£490

LondonBoston

LTN - BOS

LTNBOS

London Luton

Sun 6/9

13:25-22:05

1 stop13h 40m

Boston Logan Intl

Thu 10/9

23:00-23:00

1 stop19h 00m

£502

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Sun 28/6

20:05-07:24

1 stop16h 19m

Boston Logan Intl

Fri 10/7

21:20-20:10

1 stop17h 50m

£505
Fastest return journey

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Tue 23/6

08:55-14:55

1 stop11h 00m

Boston Logan Intl

Wed 1/7

23:10-10:40

Nonstop6h 30m

£507

LondonBoston

LGW - BOS

LGWBOS

London Gatwick

Thu 14/5

15:40-21:45

1 stop11h 05m

Boston Logan Intl

Sat 13/2

19:50-10:55

1 stop10h 05m

£512

Flights are sorted by cheapest return flights first.

Deals found on 14/4

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