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Cheap flights from London to New Hampshire from £323

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 5/2. Fares are subject to change and may not be available on all flights or dates of travel.
LON — MHT
11 Jan — 18 Jan1
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 12 December 2025.

Tue 23/1206:00LHR - BOS
1 stop13h 45mTAP AIR PORTUGAL
Sun 11/122:45BOS - LHR
1 stop17h 50mTAP AIR PORTUGAL
Deal found 11/12£429
Wed 24/1218:30LHR - BOS
1 stop25h 05mTAP AIR PORTUGAL
Mon 12/118:05BOS - LHR
1 stop23h 35mTAP AIR PORTUGAL
Deal found 11/12£448
Tue 23/1218:30LHR - BOS
1 stop25h 05mTAP AIR PORTUGAL
Wed 7/118:05BOS - LHR
1 stop13h 35mTAP AIR PORTUGAL
Deal found 10/12£450
Fri 19/1206:00LHR - BOS
1 stop13h 35mTAP AIR PORTUGAL
Fri 9/118:05BOS - LHR
1 stop18h 25mTAP AIR PORTUGAL
Deal found 10/12£452
Wed 24/1216:35LGW - BOS
1 stop27h 00mTAP AIR PORTUGAL
Wed 31/1218:05BOS - LGW
1 stop10h 45mTAP AIR PORTUGAL
Deal found 10/12£454
Thu 18/1219:55LHR - BOS
1 stop23h 40mTAP AIR PORTUGAL
Sat 17/122:25BOS - LHR
1 stop14h 05mTAP AIR PORTUGAL
Deal found 11/12£456
Thu 25/1219:50LHR - BOS
2 stops49h 00mScandinavian Airlines
Mon 12/117:35BOS - LHR
1 stop19h 55mScandinavian Airlines
Deal found 11/12£457
Wed 24/1218:30LHR - BOS
1 stop25h 05mTAP AIR PORTUGAL
Thu 8/122:45BOS - LHR
1 stop13h 45mTAP AIR PORTUGAL
Deal found 11/12£458
Fri 19/1206:00LHR - BOS
1 stop13h 35mTAP AIR PORTUGAL
Wed 18/319:05BOS - LHR
1 stop12h 20mTAP AIR PORTUGAL
Deal found 9/12£459
Thu 18/1216:00LGW - BOS
1 stop27h 35mTAP AIR PORTUGAL
Sat 17/122:25BOS - LGW
2 stops17h 15mTAP AIR PORTUGAL
Deal found 11/12£461
Wed 24/1219:50LHR - BOS
2 stops25h 00mScandinavian Airlines
Mon 12/117:35BOS - LHR
2 stops20h 15mScandinavian Airlines
Deal found 10/12£462
Fri 26/1216:40LGW - BOS
1 stop32h 30mTAP AIR PORTUGAL
Fri 2/122:45BOS - LGW
2 stops54h 20mTAP AIR PORTUGAL
Deal found 10/12£487

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 12 December 2025.

Round-trip from

£422

One-way from

£323

Popular in

December

Cheapest in

September

Average price

£549
19/1-22/1
  • 19/1-22/1
  • 4 total stops
  • 56h 05m total
  • London to New Hampshire
Search Deals
Lufthansa
  • Lufthansa
  • 5/2
  • 2 total stops
  • 17h 27m total
  • London to New Hampshire
Search Deals
Highest demand for flights based on searches. 2% potential increase in price (£10 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£7 potential savings vs. average return price).
Search Deals
Average for round-trip flights in December 2025
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 12 December 2025.
Use the filters below to find and compare flights from London to New Hampshire that are best for you.

Fly from

London

Fly to

New Hampshire

Route

Depart

Return

Price

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Mon 12/1

06:50-21:52

2 stops20h 02m

Boston Logan Intl

Mon 19/1

22:10-13:00

1 stop9h 50m

£425

LondonBoston

STN - BOS

STNBOS

London Stansted

Sat 24/1

22:10-20:55

2 stops27h 45m

Boston Logan Intl

Sat 31/1

22:40-15:10

1 stop11h 30m

£426

LondonBoston

LGW - BOS

LGWBOS

London Gatwick

Sun 18/1

11:55-17:50

1 stop10h 55m

Boston Logan Intl

Mon 20/4

20:50-14:40

1 stop12h 50m

£429

LondonBoston

STN - BOS

STNBOS

London Stansted

Sat 17/1

08:50-20:55

1 stop17h 05m

Boston Logan Intl

Mon 19/1

18:05-22:40

2 stops23h 35m

£432

LondonBoston

STN - BOS

STNBOS

London Stansted

Mon 26/1

21:45-20:55

2 stops28h 10m

Boston Logan Intl

Mon 2/2

22:40-16:55

1 stop13h 15m

£433

LondonBoston

STN - BOS

STNBOS

London Stansted

Wed 21/1

20:55-20:55

1 stop29h 00m

Boston Logan Intl

Sat 24/1

22:40-15:10

1 stop11h 30m

£435

LondonBoston

STN - BOS

STNBOS

London Stansted

Sun 25/1

09:35-20:55

1 stop16h 20m

Boston Logan Intl

Sun 1/2

21:15-11:05

1 stop8h 50m

£436

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Tue 23/12

18:30-14:35

1 stop25h 05m

Boston Logan Intl

Sun 11/1

22:45-21:35

1 stop17h 50m

£438

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Tue 13/1

09:20-12:16

Nonstop7h 56m

Boston Logan Intl

Wed 21/1

19:12-06:55

Nonstop6h 43m

£438

LondonBoston

LGW - BOS

LGWBOS

London Gatwick

Sat 24/1

13:10-20:55

1 stop12h 45m

Boston Logan Intl

Sat 31/1

22:40-18:50

1 stop15h 10m

£438

Flights are sorted by cheapest return flights first.

Deals found on 11/12

Showing 1-10 of 60 results
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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

What is the cheapest time of day to fly from LON to NH?

Find hourly flight availability from London to New Hampshire. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 12 December 2025.

Unlike in the morning, when flights are generally more expensive, you can save up to 54% on flights from London to New Hampshire by exploring options for tickets in the evening.

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 10h 55m. 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.
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Stansted to Miami flights
London City to Boston flights
Edinburgh to John F Kennedy Intl flights
Gatwick to Dallas/Fort Worth flights
Gatwick to Las Vegas flights
Heathrow to Fort Lauderdale flights
London City to Orlando flights
Stansted to Los Angeles flights
Heathrow to George Bush Intcntl flights
Luton to Miami flights
London City to Las Vegas flights
Edinburgh to LaGuardia flights

Top airline flying from London to New Hampshire

Discover the top airline that operate flights from London to New Hampshire. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 12 December 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest£763Average£1,209FlexibilityNo cancel feeOn-time76%
Search Icelandair 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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