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Cheap flights from London to New Hampshire from £354

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 24/8. Fares are subject to change and may not be available on all flights or dates of travel.
LON — MHT
25 Jul — 1 Aug1
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 25 June 2026.

Tue 7/715:10
STN
-
BOS
2 stops27h 40m
Multiple Airlines
Thu 16/720:05
BOS
-
STN
2 stops17h 15m
Multiple Airlines
Deal found 23/6£453
Sat 19/906:50
LHR
-
BOS
2 stops14h 15m
Air Canada
Sat 3/1015:35
BOS
-
LHR
2 stops13h 00m
Air Canada
Deal found 23/6£453
Tue 14/716:50
LGW
-
BOS
1 stop33h 15m
LEVEL
Thu 16/723:35
BOS
-
LGW
1 stop29h 40m
LEVEL
Deal found 22/6£453
Fri 10/713:10
LCY
-
BOS
1 stop11h 45m
Multiple Airlines
Tue 14/717:45
BOS
-
LCY
1 stop9h 55m
Multiple Airlines
Deal found 24/6£454
Sat 25/707:30
LHR
-
BOS
1 stop13h 10m
Multiple Airlines
Sun 26/710:58
BOS
-
LHR
1 stop13h 57m
Multiple Airlines
Deal found 22/6£454
Thu 16/715:40
LGW
-
BOS
1 stop11h 05m
Icelandair
Thu 10/920:50
BOS
-
LGW
1 stop12h 50m
Icelandair
Deal found 23/6£454
Tue 14/709:15
LCY
-
BOS
1 stop11h 25m
Lufthansa
Tue 21/717:45
BOS
-
LCY
1 stop9h 55m
Lufthansa
Deal found 24/6£455
Wed 12/809:50
LHR
-
BOS
1 stop10h 50m
British Airways
Fri 21/817:25
BOS
-
LHR
1 stop9h 40m
British Airways
Deal found 23/6£455
Fri 10/709:25
LGW
-
BOS
1 stop15h 30m
SWISS
Tue 14/721:40
BOS
-
LGW
1 stop29h 45m
SWISS
Deal found 24/6£455
Fri 18/906:35
STN
-
BOS
2 stops20h 10m
Multiple Airlines
Mon 21/923:00
BOS
-
STN
2 stops19h 20m
Multiple Airlines
Deal found 23/6£455
Wed 15/707:25
LHR
-
BOS
1 stop15h 15m
Lufthansa
Sat 25/722:00
BOS
-
LHR
1 stop17h 40m
Lufthansa
Deal found 23/6£455
Wed 14/1007:45
STN
-
BOS
3 stops18h 41m
Multiple Airlines
Thu 22/1015:35
BOS
-
STN
2 stops15h 20m
Multiple Airlines
Deal found 23/6£456

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 25 June 2026.

Round-trip from

£453

One-way from

£354

Popular in

June

Cheapest in

September

Average price

£614
7/7-16/7
  • 7/7-16/7
  • 4 total stops
  • 44h 55m total
  • London to New Hampshire
Search Deals
24/8
  • 24/8
  • 2 total stops
  • 28h 11m total
  • London to New Hampshire
Search Deals
Highest demand for flights based on searches. 12% potential increase in price (£53 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£9 potential savings vs. average return price).
Search Deals
Average for round-trip flights in June 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 25 June 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

LCY - BOS

LCYBOS

London City

Tue 14/7

09:15-15:40

1 stop11h 25m

Boston Logan Intl

Tue 21/7

17:45-08:40

1 stop9h 55m

£455
Fastest return journey

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Wed 7/10

10:05-12:30

Nonstop7h 25m

Boston Logan Intl

Wed 21/10

07:25-18:55

Nonstop6h 30m

£461

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Sat 4/7

10:05-12:35

Nonstop7h 30m

Boston Logan Intl

Sat 11/7

20:40-08:35

Nonstop6h 55m

£461

LondonBoston

LGW - BOS

LGWBOS

London Gatwick

Wed 7/10

11:30-22:19

2 stops15h 49m

Boston Logan Intl

Sun 11/10

21:20-20:00

1 stop17h 40m

£473

LondonBoston

LCY - BOS

LCYBOS

London City

Tue 22/9

13:45-18:50

1 stop10h 05m

Boston Logan Intl

Tue 29/9

17:40-09:00

1 stop10h 20m

£475

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Sat 4/7

10:05-12:35

Nonstop7h 30m

Boston Logan Intl

Thu 9/7

20:05-08:00

Nonstop6h 55m

£478

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Wed 19/8

08:50-14:55

1 stop11h 05m

Boston Logan Intl

Sun 30/8

06:00-21:40

1 stop10h 40m

£479

LondonBoston

LTN - BOS

LTNBOS

London Luton

Tue 7/7

07:00-09:45

2 stops31h 45m

Boston Logan Intl

Tue 14/7

15:35-11:00

2 stops14h 25m

£480

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Fri 21/8

11:45-18:30

1 stop11h 45m

Boston Logan Intl

Fri 11/9

21:30-09:15

Nonstop6h 45m

£482

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Tue 20/10

07:00-15:10

2 stops13h 10m

Boston Logan Intl

Tue 3/11

21:50-18:40

2 stops15h 50m

£485

Flights are sorted by cheapest return flights first.

Deals found on 24/6

Showing 1-10 of 60 resultsSorted by cheapest first
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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 7h 25m. 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.
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
Gatwick to LaGuardia flights
Heathrow to Miami flights
Heathrow to Los Angeles flights
Luton to John F Kennedy Intl flights
Luton to Newark flights
Heathrow to Boston flights
Heathrow to San Francisco flights
Stansted to Newark flights
Heathrow to Dulles Intl flights
London City to Newark flights
Heathrow to Dallas/Fort Worth flights
Manchester to Orlando flights
Heathrow to Baltimore flights
Heathrow to O'Hare Intl flights
Manchester to John F Kennedy Intl flights
Heathrow to Hobby flights
Gatwick to Orlando flights
Heathrow to Las Vegas flights
Gatwick to Los Angeles flights
Gatwick to Miami flights
Gatwick to Boston flights
Stansted to Orlando flights
Heathrow to Atlanta flights
Stansted to Miami flights
Stansted to Los Angeles flights
London City to Miami flights
Heathrow to Tampa flights
Heathrow to Seattle flights
Heathrow to George Bush Intcntl flights
London City to Los Angeles flights
Manchester to Newark flights
Gatwick to San Francisco flights
London City to Boston flights
London City to San Francisco flights
Manchester to LaGuardia flights
Gatwick to Dulles Intl flights
London City to Orlando flights
Heathrow to Reagan-National flights
Stansted to San Francisco flights
Stansted to Boston flights
Heathrow to Philadelphia flights
London City to Dulles Intl 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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