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Cheap flights from New Hampshire to London from £163

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 6/5. Fares are subject to change and may not be available on all flights or dates of travel.
MHT — LON
5 Mar — 12 Mar1
1 adult
1 adult, Economy, 0 bags

Cheap 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 3 February 2026.

Thu 5/319:25
BOS
-
LHR
1 stop8h 50m
Aer Lingus
Mon 9/310:00
LHR
-
BOS
1 stop11h 50m
Aer Lingus
Deal found 3/2£359
Tue 12/520:50
BOS
-
LGW
1 stop12h 50m
Icelandair
Tue 2/613:00
LGW
-
BOS
1 stop10h 50m
Icelandair
Deal found 3/2£359
Wed 4/217:10
BOS
-
STN
1 stop11h 40m
Multiple Airlines
Wed 11/206:30
STN
-
BOS
1 stop12h 25m
Multiple Airlines
Deal found 3/2£359
Tue 28/420:50
BOS
-
LHR
1 stop10h 05m
Icelandair
Wed 13/513:05
LHR
-
BOS
1 stop10h 45m
Icelandair
Deal found 3/2£360
Sun 1/321:15
BOS
-
LTN
1 stop9h 30m
Multiple Airlines
Sun 8/308:05
LTN
-
BOS
1 stop15h 50m
Multiple Airlines
Deal found 31/1£360
Thu 12/312:35
BOS
-
LGW
1 stop18h 20m
Icelandair
Wed 18/311:55
LGW
-
BOS
1 stop10h 55m
Icelandair
Deal found 2/2£360
Sat 2/520:50
BOS
-
STN
2 stops21h 30m
Multiple Airlines
Fri 8/506:30
STN
-
BOS
2 stops17h 20m
Multiple Airlines
Deal found 2/2£360
Sun 1/222:10
BOS
-
LHR
1 stop14h 40m
SWISS
Tue 3/220:05
LHR
-
BOS
1 stop29h 15m
SWISS
Deal found 31/1£360
Mon 23/318:10
BOS
-
LTN
1 stop10h 25m
Multiple Airlines
Mon 6/408:15
LTN
-
BOS
1 stop15h 35m
Multiple Airlines
Deal found 2/2£360
Mon 23/321:40
BOS
-
LGW
2 stops19h 20m
Multiple Airlines
Sat 28/321:30
LGW
-
BOS
2 stops24h 10m
Multiple Airlines
Deal found 3/2£360
Sun 8/217:10
BOS
-
STN
1 stop12h 55m
Multiple Airlines
Thu 12/213:45
STN
-
BOS
1 stop10h 14m
Multiple Airlines
Deal found 2/2£360
Wed 4/221:50
BOS
-
LHR
1 stop10h 10m
SWISS
Wed 11/206:00
LHR
-
BOS
1 stop19h 20m
SWISS
Deal found 2/2£361

Find 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 3 February 2026.

Round-trip from

£359

One-way from

£163

Popular in

June

Cheapest in

October

Average price

£421
Aer Lingus
  • Aer Lingus
  • 5/3-9/3
  • 2 total stops
  • 20h 40m total
  • New Hampshire to London
Search Deals
British Airways
  • British Airways
  • 1/5
  • Nonstop
  • 6h 35m total
  • New Hampshire to London
Search Deals
Highest demand for flights based on searches. 14% potential increase in price (£53 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 February 2026
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 3 February 2026.
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 - LTN

BOSLTN

Boston Logan Intl

Sun 1/3

21:15-11:45

1 stop9h 30m

London Luton

Sun 8/3

08:05-19:55

1 stop15h 50m

£360

BostonLondon

BOS - LTN

BOSLTN

Boston Logan Intl

Wed 4/3

17:10-08:35

1 stop10h 25m

London Luton

Fri 6/3

05:50-18:59

1 stop18h 09m

£363

BostonLondon

BOS - STN

BOSSTN

Boston Logan Intl

Mon 2/3

06:15-19:20

3 stops32h 05m

London Stansted

Mon 9/3

17:00-15:05

2 stops26h 05m

£363

BostonLondon

BOS - LGW

BOSLGW

Boston Logan Intl

Wed 1/4

23:00-14:40

1 stop10h 40m

London Gatwick

Sat 11/4

15:40-21:45

1 stop11h 05m

£366

BostonLondon

BOS - LTN

BOSLTN

Boston Logan Intl

Wed 8/4

17:20-09:00

1 stop10h 40m

London Luton

Thu 16/4

15:50-22:00

1 stop11h 10m

£371

BostonLondon

BOS - STN

BOSSTN

Boston Logan Intl

Thu 26/2

10:45-18:20

2 stops26h 35m

London Stansted

Sun 1/3

20:00-22:37

2 stops31h 37m

£371

BostonLondon

BOS - STN

BOSSTN

Boston Logan Intl

Tue 14/4

17:25-09:50

1 stop11h 25m

London Stansted

Tue 21/4

16:20-22:00

1 stop10h 40m

£371

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Thu 26/2

06:00-20:35

1 stop9h 35m

London Heathrow

Sat 28/2

14:50-14:05

1 stop28h 15m

£379

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Sat 28/2

19:15-06:50

Nonstop6h 35m

London Heathrow

Thu 5/3

06:30-13:20

1 stop11h 50m

£382

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Mon 2/3

19:10-06:50

Nonstop6h 40m

London Heathrow

Sun 8/3

06:30-13:20

1 stop11h 50m

£382

Flights are sorted by cheapest return flights first.

Deals found on 31/1

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 9h 35m. Fly via Icelandair, United Airlines, or SWISS 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 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
Luton
Wembley
Gatwick
Slough
Ilford
Hounslow
Brentford
Hayes
Colchester
Watford
Guildford
Bedford
Chelmsford
Eastbourne
Crawley
Kingston upon Thames
Romford
Ipswich

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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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Fly with Cheapflights

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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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