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Cheap flights from New Hampshire to London from £156

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 11/12. Fares are subject to change and may not be available on all flights or dates of travel.
MHT — LON
6 Dec — 13 Dec1
1 adult
1 adult, Economy, 0 bags

Find flight deals from New Hampshire to London

Enter your travel dates to find the best prices.

Cheapest flights from New Hampshire to London
Explore the most affordable flight options available from New Hampshire to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 6 November 2025.

Wed 19/1115:40BOS - LHR
1 stop10h 30mAir Canada
Tue 25/1109:00LHR - BOS
2 stops17h 27mAir Canada
Deal found 4/11£380
Fri 28/1122:10BOS - LHR
1 stop9h 50mSWISS
Wed 10/1213:45LHR - BOS
1 stop11h 35mSWISS
Deal found 3/11£381
Wed 3/1219:50BOS - STN
2 stops12h 30mMultiple Airlines
Wed 10/1206:30STN - BOS
2 stops16h 20mMultiple Airlines
Deal found 3/11£381
Wed 19/1105:30BOS - LTN
3 stops33h 20mMultiple Airlines
Wed 26/1105:45LTN - BOS
2 stops17h 50mMultiple Airlines
Deal found 5/11£381
Thu 4/1210:15BOS - LHR
1 stop15h 55mUnited Airlines
Mon 8/1211:10LHR - BOS
1 stop12h 25mUnited Airlines
Deal found 6/11£381
Thu 20/1111:35BOS - LGW
1 stop18h 20mIcelandair
Tue 25/1111:55LGW - BOS
1 stop10h 55mIcelandair
Deal found 5/11£381
Sat 15/1117:10BOS - STN
1 stop9h 40mMultiple Airlines
Thu 20/1106:30STN - BOS
1 stop17h 25mMultiple Airlines
Deal found 5/11£381
Wed 19/1116:20BOS - LCY
1 stop20h 20mMultiple Airlines
Fri 21/1117:40LCY - BOS
1 stop31h 20mMultiple Airlines
Deal found 6/11£381
Tue 11/1119:50BOS - LTN
2 stops19h 15mMultiple Airlines
Tue 18/1109:00LTN - BOS
2 stops13h 50mMultiple Airlines
Deal found 4/11£382
Fri 7/1116:24BOS - LHR
1 stop11h 46mUnited Airlines
Wed 12/1112:05LHR - BOS
1 stop13h 15mUnited Airlines
Deal found 6/11£382
Sun 30/1122:45BOS - LGW
2 stops16h 50mTAP AIR PORTUGAL
Tue 9/1210:40LGW - BOS
1 stop32h 55mTAP AIR PORTUGAL
Deal found 6/11£382
Fri 28/1110:15BOS - STN
3 stops27h 05mMultiple Airlines
Mon 1/1218:45STN - BOS
2 stops23h 40mMultiple Airlines
Deal found 5/11£382

Cheap flight deals from New Hampshire to London

Keep the following information in mind while searching for New Hampshire to London flight deals. Data was last updated 6 November 2025.

Round-trip from

£380

One-way from

£156

Popular in

June

Cheapest in

January

Average price

£448
Air Canada
  • Air Canada
  • 19/11-25/11
  • 3 total stops
  • 27h 57m total
  • New Hampshire to London
Search Deals
Air Canada
  • Air Canada
  • 11/12
  • 2 total stops
  • 24h 50m total
  • New Hampshire to London
Search Deals
Highest demand for flights based on searches. 15% potential increase in price (£63 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£10 potential savings vs. average return price).
Search Deals
Average for round-trip flights in November 2025
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from New Hampshire to London 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 6 November 2025.
Use the filters below to find and compare flights from New Hampshire to London that are best for you.

Fly from

New Hampshire

Fly to

London

Route

Depart

Return

Price

BostonLondon

BOS - LGW

BOSLGW

Boston Logan Intl

Wed 21/1

16:45-15:10

2 stops17h 25m

London Gatwick

Mon 26/1

17:20-15:15

2 stops26h 55m

£382

BostonLondon

BOS - STN

BOSSTN

Boston Logan Intl

Tue 10/2

10:15-20:15

3 stops29h 00m

London Stansted

Wed 18/2

05:55-18:35

2 stops17h 40m

£384

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Sat 28/2

19:12-06:55

Nonstop6h 43m

London Heathrow

Fri 6/3

09:20-12:16

Nonstop7h 56m

£385

BostonLondon

BOS - LGW

BOSLGW

Boston Logan Intl

Mon 2/3

18:05-15:45

1 stop16h 40m

London Gatwick

Sun 8/3

10:40-21:10

1 stop14h 30m

£385

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Fri 16/1

19:10-06:55

Nonstop6h 45m

London Heathrow

Tue 20/1

09:20-12:16

Nonstop7h 56m

£385

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Sat 10/1

19:10-06:55

Nonstop6h 45m

London Heathrow

Sat 17/1

09:20-12:16

Nonstop7h 56m

£385

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Fri 5/12

23:55-11:25

Nonstop6h 30m

London Heathrow

Fri 12/12

08:40-18:55

1 stop15h 15m

£388

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Sat 29/11

19:10-06:50

Nonstop6h 40m

London Heathrow

Thu 11/12

06:30-13:20

1 stop11h 50m

£388

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Sat 10/1

07:30-22:00

1 stop9h 30m

London Heathrow

Sun 18/1

09:20-12:16

Nonstop7h 56m

£388

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Wed 25/2

14:16-09:30

1 stop14h 14m

London Heathrow

Sun 1/3

09:20-12:16

Nonstop7h 56m

£388

Flights are sorted by cheapest return flights first.

Deals found on 4/11

Showing 1-10 of 60 results
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Best time to book a flight from New Hampshire to London

Have a flexible travel schedule? Discover the best time to fly to London from New Hampshire 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 New Hampshire to London
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 New Hampshire to London. 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 New Hampshire to London?

    There are many flights that can get you from New Hampshire to London in 6h 43m. Fly via JetBlue, TAP AIR PORTUGAL, or Icelandair to get the fastest option. The distance from New Hampshire to London is about 3254 mi. Both multi-stop and direct flights can be found to your destination and back.

  • What are the cheapest airlines to fly from New Hampshire to London one-way?

    £161 is the cheapest one-way deal found within the past few days, from United Airlines. You may also be able to find cheap deals on Icelandair and JetBlue, with prices starting from £163 and £171, respectively.

  • What are the most popular routes from New Hampshire to London?

    Most travelers choose Boston Logan Intl - London Heathrow, Boston Logan Intl - London Gatwick or Boston Logan Intl - London City when deciding on the best route from New Hampshire to London.

  • Can I find deals for flights from New Hampshire to London that include hotel bookings?

    Yes. In addition to deals on New Hampshire to London flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from New Hampshire to London?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from New Hampshire to London.

  • Can I find deals for business class flights from New Hampshire to London?

    Yes. Cheapflights offers flight deals from New Hampshire to London 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

Travelling to a place near London?

Book flights to London if you plan to visit one of these locations
Milton Keynes
Croydon
Slough
Gatwick
Hounslow
Luton
Ilford
Wembley
Deal
Hayes
Colchester
Watford
Winchester
Crawley
Brentford
Romford
Chichester
Ipswich
Bedford
Eastbourne

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Alternative routes for New Hampshire to London

See prices for flight routes from nearby airports that may be better suited for you.
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How does Cheapflights help users find flights from New Hampshire to London?

When you search for this flight from New Hampshire to London, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Why should you use Cheapflights to find cheap flight tickets from New Hampshire to London?

Millions of users choose and trust Cheapflights to book the best flight deals from New Hampshire to London for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

Can Cheapflights find flights from New Hampshire to London with no change fees?

Need flexible booking options for your flight to London from New Hampshire? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from New Hampshire to London become cheaper?

Yes! Start tracking prices for New Hampshire to London 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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