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Cheap flights from London to New Hampshire from £308

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 22/4. Fares are subject to change and may not be available on all flights or dates of travel.
LON — MHT
11 Dec — 18 Dec1
1 adult
1 adult, Economy, 0 bags

Cheap 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 11 November 2025.

Round-trip from

£344

One-way from

£308

Popular in

December

Cheapest in

September

Average price

£444
TAP AIR PORTUGAL
  • TAP AIR PORTUGAL
  • 12/3-19/3
  • 2 total stops
  • 32h 55m total
  • London to New Hampshire
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JetBlue
  • JetBlue
  • 22/4
  • Nonstop
  • 7h 58m total
  • London to New Hampshire
Search Deals
Highest demand for flights based on searches. 4% potential increase in price (£16 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 November 2025
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Find 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 11 November 2025.

Thu 4/1210:10LGW - BOS
2 stops15h 00mTAP AIR PORTUGAL
Thu 11/1222:45BOS - LGW
2 stops16h 55mTAP AIR PORTUGAL
Deal found 9/11£349
Sat 6/1212:25LHR - BOS
1 stop12h 45mTAP AIR PORTUGAL
Sat 31/122:25BOS - LHR
1 stop12h 05mTAP AIR PORTUGAL
Deal found 10/11£352
Thu 4/1216:00LGW - BOS
1 stop27h 35mTAP AIR PORTUGAL
Mon 8/1218:05BOS - LGW
2 stops21h 30mTAP AIR PORTUGAL
Deal found 9/11£352
Mon 8/1220:35LHR - BOS
1 stop26h 15mIcelandair
Mon 15/1219:50BOS - LHR
1 stop18h 40mIcelandair
Deal found 10/11£353
Sun 14/1210:40LGW - BOS
1 stop14h 30mTAP AIR PORTUGAL
Sun 11/122:45BOS - LGW
1 stop12h 00mTAP AIR PORTUGAL
Deal found 8/11£356
Fri 5/1221:25LGW - BOS
2 stops22h 10mTAP AIR PORTUGAL
Thu 11/1222:45BOS - LGW
2 stops16h 55mTAP AIR PORTUGAL
Deal found 10/11£358
Wed 3/1206:30STN - BOS
2 stops16h 20mMultiple Airlines
Mon 8/1219:50BOS - STN
2 stops20h 30mMultiple Airlines
Deal found 10/11£358
Sun 14/1206:00LHR - BOS
1 stop19h 10mTAP AIR PORTUGAL
Sun 11/118:05BOS - LHR
1 stop13h 35mTAP AIR PORTUGAL
Deal found 9/11£359
Mon 8/1211:55LGW - BOS
1 stop10h 55mIcelandair
Mon 15/1219:50BOS - LGW
1 stop10h 05mIcelandair
Deal found 10/11£362
Fri 21/1111:55LGW - BOS
1 stop27h 40mIcelandair
Fri 28/1119:50BOS - LGW
1 stop10h 05mIcelandair
Deal found 9/11£362
Fri 21/1112:15LHR - BOS
1 stop27h 20mIcelandair
Fri 28/1119:50BOS - LHR
1 stop18h 40mIcelandair
Deal found 9/11£363
Wed 3/1208:50LGW - BOS
2 stops14h 00mMultiple Airlines
Mon 8/1219:50BOS - LGW
2 stops18h 35mMultiple Airlines
Deal found 10/11£364

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 11 November 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

Tue 2/12

20:35-17:50

1 stop26h 15m

Boston Logan Intl

Sun 7/12

11:35-10:50

1 stop18h 15m

£394

LondonBoston

LGW - BOS

LGWBOS

London Gatwick

Tue 10/2

11:55-17:50

1 stop10h 55m

Boston Logan Intl

Sat 21/2

11:35-10:55

1 stop18h 20m

£394

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Sun 14/12

20:35-17:50

1 stop26h 15m

Boston Logan Intl

Wed 7/1

19:50-19:30

1 stop18h 40m

£405

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Mon 8/12

06:30-13:25

1 stop11h 55m

Boston Logan Intl

Mon 15/12

14:15-06:40

1 stop11h 25m

£414

LondonBoston

LGW - BOS

LGWBOS

London Gatwick

Mon 19/1

12:50-20:55

1 stop13h 05m

Boston Logan Intl

Sat 24/1

22:40-22:35

1 stop18h 55m

£420

LondonBoston

STN - BOS

STNBOS

London Stansted

Mon 8/12

06:30-13:55

1 stop12h 25m

Boston Logan Intl

Mon 15/12

21:20-14:20

1 stop12h 00m

£420

LondonBoston

LTN - BOS

LTNBOS

London Luton

Mon 8/12

06:00-13:55

1 stop12h 55m

Boston Logan Intl

Mon 15/12

17:20-08:35

1 stop10h 15m

£420

LondonBoston

LTN - BOS

LTNBOS

London Luton

Sat 6/12

06:00-13:55

1 stop12h 55m

Boston Logan Intl

Mon 8/12

17:10-08:35

1 stop10h 25m

£420

LondonBoston

LGW - BOS

LGWBOS

London Gatwick

Sat 22/11

11:55-17:50

1 stop10h 55m

Boston Logan Intl

Wed 26/11

11:35-10:55

1 stop18h 20m

£428

LondonBoston

STN - BOS

STNBOS

London Stansted

Sat 6/12

13:30-18:55

1 stop10h 25m

Boston Logan Intl

Mon 8/12

21:20-18:20

1 stop16h 00m

£428

Flights are sorted by cheapest return flights first.

Deals found on 9/11

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 11 November 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.

Reviews of airlines servicing New Hampshire

Get insights into the airlines that provide service to New Hampshire. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to New Hampshire. Reviews last updated 11 November 2025.
See what other customers who have flown with Finnair and Icelandair from London to New Hampshire have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Finnair
7.6
Good
1,335 reviews
Check prices

Comfort

7.4

Crew

8.1

Boarding

7.6

Food

6.7

Entertainment

6.9

Overall

7.6

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

FRA - DFW

I was lucky I had a seet without no one next to me My vegetarian meal was excellent. The service very good. Although there was a lot of turbulences during the flight, the landing was very soft and took away all our apprehension.
Finnair
7.6
Good
1,335 reviews
Finnair
7.6
Good
1,335 reviews
Check prices

Comfort

7.4

Crew

8.1

Boarding

7.6

Food

6.7

Entertainment

6.9

Overall

7.6

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

FRA - DFW

I was lucky I had a seet without no one next to me My vegetarian meal was excellent. The service very good. Although there was a lot of turbulences during the flight, the landing was very soft and took away all our apprehension.
Icelandair
7.1
Good
578 reviews
Finnair
7.6
Good
1,335 reviews
Check prices

Comfort

7.4

Crew

8.1

Boarding

7.6

Food

6.7

Entertainment

6.9

Overall

7.6

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

FRA - DFW

I was lucky I had a seet without no one next to me My vegetarian meal was excellent. The service very good. Although there was a lot of turbulences during the flight, the landing was very soft and took away all our apprehension.

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 13h 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 cheapest airlines to fly from London to New Hampshire one-way?

    £311 is the cheapest one-way deal found within the past few days, from British Airways. You may also be able to find cheap deals on Iberia and American Airlines, with prices starting from £314 and £390, respectively.

  • 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

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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.
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London City to Boston flights

Top 2 airlines flying from London to New Hampshire

Discover the top 2 airlines 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 11 November 2025.
AirlineCheapestAverageFlexibilityOn-time
FinnairCheapest£470Average£1,114FlexibilityNo cancel feeOn-time76%
Search Finnair flights
IcelandairCheapest£776Average£1,230FlexibilityNo 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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