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Cheap flights from London to New Hampshire from £350

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 3/9. Fares are subject to change and may not be available on all flights or dates of travel.
LON — MHT
24 Jun — 1 Jul1
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 May 2026.

Fri 19/614:30
LHR
-
BOS
Nonstop7h 30m
British Airways
Sun 21/620:10
BOS
-
LHR
Nonstop6h 50m
British Airways
Deal found 20/5£501
Mon 21/912:25
LTN
-
BOS
2 stops32h 10m
Multiple Airlines
Mon 28/917:40
BOS
-
LTN
2 stops17h 05m
Multiple Airlines
Deal found 23/5£501
Tue 16/610:10
LGW
-
BOS
1 stop15h 50m
LEVEL
Tue 23/622:50
BOS
-
LGW
1 stop28h 40m
LEVEL
Deal found 24/5£501
Thu 25/610:05
LHR
-
BOS
Nonstop7h 30m
British Airways
Mon 29/621:50
BOS
-
LHR
Nonstop6h 45m
British Airways
Deal found 20/5£502
Thu 25/615:50
LTN
-
BOS
1 stop11h 10m
Multiple Airlines
Wed 1/721:15
BOS
-
LTN
1 stop19h 00m
Multiple Airlines
Deal found 23/5£502
Mon 29/606:50
LGW
-
BOS
1 stop19h 10m
LEVEL
Wed 8/722:55
BOS
-
LGW
1 stop14h 00m
LEVEL
Deal found 20/5£502
Wed 23/913:10
LCY
-
BOS
1 stop11h 45m
SWISS
Wed 7/1017:20
BOS
-
LCY
1 stop10h 20m
SWISS
Deal found 23/5£503
Fri 11/906:20
STN
-
BOS
3 stops20h 07m
Multiple Airlines
Mon 14/920:50
BOS
-
STN
2 stops22h 30m
Multiple Airlines
Deal found 23/5£503
Tue 29/920:10
LHR
-
BOS
Nonstop7h 25m
British Airways
Sun 4/1021:55
BOS
-
LHR
Nonstop6h 45m
British Airways
Deal found 24/5£503
Sat 24/1021:15
LGW
-
BOS
2 stops23h 25m
TAP AIR PORTUGAL
Sat 31/1019:00
BOS
-
LGW
1 stop10h 50m
TAP AIR PORTUGAL
Deal found 22/5£503
Wed 25/1113:30
LCY
-
BOS
1 stop11h 50m
SWISS
Mon 30/1121:50
BOS
-
LCY
1 stop10h 00m
SWISS
Deal found 24/5£504
Tue 29/907:05
LHR
-
BOS
2 stops13h 30m
Scandinavian Airlines
Tue 6/1017:40
BOS
-
LHR
1 stop10h 40m
Scandinavian Airlines
Deal found 24/5£504

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 May 2026.

Round-trip from

£501

One-way from

£350

Popular in

June

Cheapest in

September

Average price

£516
British Airways
  • British Airways
  • 19/6-21/6
  • Nonstop
  • 14h 20m total
  • London to New Hampshire
Search Deals
British Airways
  • British Airways
  • 3/9
  • 1 total stop
  • 15h 00m total
  • London to New Hampshire
Search Deals
Highest demand for flights based on searches. 10% potential increase in price (£43 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (£6 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 25 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

LHR - BOS

LHRBOS

London Heathrow

Fri 11/9

06:40-15:35

1 stop13h 55m

Boston Logan Intl

Wed 7/10

17:40-16:25

2 stops17h 45m

£504

LondonBoston

LGW - BOS

LGWBOS

London Gatwick

Mon 21/9

09:25-19:55

1 stop15h 30m

Boston Logan Intl

Mon 28/9

17:20-08:25

1 stop10h 05m

£506

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Thu 1/10

21:05-15:35

2 stops23h 30m

Boston Logan Intl

Tue 6/10

17:40-16:25

2 stops17h 45m

£509

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Wed 19/8

20:10-22:35

Nonstop7h 25m

Boston Logan Intl

Sun 30/8

21:55-09:40

Nonstop6h 45m

£513

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Mon 21/9

07:30-16:48

2 stops14h 18m

Boston Logan Intl

Mon 28/9

14:21-06:55

1 stop11h 34m

£515

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Wed 2/9

21:05-15:35

2 stops23h 30m

Boston Logan Intl

Wed 23/9

17:40-16:25

2 stops17h 45m

£525

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Sun 28/6

10:05-12:35

Nonstop7h 30m

Boston Logan Intl

Sat 11/7

20:40-08:35

Nonstop6h 55m

£530
Fastest return journey

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Tue 23/6

10:05-12:35

Nonstop7h 30m

Boston Logan Intl

Tue 30/6

19:35-07:10

Nonstop6h 35m

£530

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Sat 27/6

10:05-12:35

Nonstop7h 30m

Boston Logan Intl

Fri 10/7

06:01-21:40

1 stop10h 39m

£531

LondonBoston

LGW - BOS

LGWBOS

London Gatwick

Thu 23/7

17:00-07:26

2 stops19h 26m

Boston Logan Intl

Wed 29/7

17:10-09:25

1 stop11h 15m

£536

Flights are sorted by cheapest return flights first.

Deals found on 24/5

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