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Cheap flights from New Hampshire to London from £240

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 6/8. Fares are subject to change and may not be available on all flights or dates of travel.
MHT — LON
21 Jul — 28 Jul1
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 21 June 2026.

Mon 9/1114:32
MHT
-
LHR
1 stop15h 18m
United Airlines
Wed 11/1106:50
LHR
-
MHT
2 stops22h 07m
United Airlines
Deal found 18/6£558
Thu 8/1021:40
BOS
-
LHR
1 stop10h 20m
SWISS
Mon 12/1006:00
LHR
-
BOS
1 stop14h 10m
SWISS
Deal found 19/6£575
Mon 24/822:45
BOS
-
LTN
2 stops15h 20m
Multiple Airlines
Wed 2/908:00
LTN
-
BOS
2 stops17h 20m
Multiple Airlines
Deal found 20/6£575
Sat 8/821:49
BOS
-
LGW
Nonstop6h 46m
JetBlue
Fri 28/812:20
LGW
-
BOS
Nonstop7h 55m
JetBlue
Deal found 19/6£575
Mon 13/710:40
BOS
-
STN
2 stops22h 30m
Multiple Airlines
Tue 28/722:00
STN
-
BOS
2 stops23h 03m
Multiple Airlines
Deal found 20/6£575
Mon 28/917:40
BOS
-
LCY
1 stop10h 30m
Multiple Airlines
Sun 4/1019:15
LCY
-
BOS
1 stop29h 40m
Multiple Airlines
Deal found 20/6£575
Fri 7/812:30
BOS
-
LHR
1 stop13h 05m
Multiple Airlines
Mon 10/811:30
LHR
-
BOS
1 stop13h 20m
Multiple Airlines
Deal found 20/6£575
Fri 25/910:40
BOS
-
LTN
2 stops25h 45m
Multiple Airlines
Fri 2/1020:25
LTN
-
BOS
2 stops24h 45m
Multiple Airlines
Deal found 20/6£575
Sat 8/821:49
BOS
-
LGW
Nonstop6h 46m
JetBlue
Fri 21/812:20
LGW
-
BOS
Nonstop7h 55m
JetBlue
Deal found 18/6£575
Sun 9/815:35
BOS
-
STN
2 stops16h 20m
Multiple Airlines
Sat 15/806:35
STN
-
BOS
2 stops13h 06m
Multiple Airlines
Deal found 18/6£575
Thu 24/917:40
BOS
-
LHR
2 stops15h 55m
Scandinavian Airlines
Mon 28/907:05
LHR
-
BOS
2 stops13h 30m
Scandinavian Airlines
Deal found 20/6£576
Sun 27/910:40
BOS
-
LTN
2 stops19h 45m
Multiple Airlines
Fri 2/1020:25
LTN
-
BOS
2 stops31h 15m
Multiple Airlines
Deal found 20/6£576

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 21 June 2026.

Round-trip from

£558

One-way from

£240

Popular in

June

Cheapest in

October

Average price

£746
United Airlines
  • United Airlines
  • 9/11-11/11
  • 3 total stops
  • 37h 25m total
  • New Hampshire to London
Search Deals
Air Canada
  • Air Canada
  • 12/7
  • 2 total stops
  • 30h 40m total
  • New Hampshire to London
Search Deals
Highest demand for flights based on searches. 24% potential increase in price (£115 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease (£19 potential savings vs. average return price).
Search Deals
Average for round-trip flights in June 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 21 June 2026.
Use the filters below to find and compare flights from New Hampshire to London that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

ManchesterLondon

MHT - LHR

MHTLHR

Manchester

Mon 9/11

14:32-10:50

1 stop15h 18m

London Heathrow

Wed 11/11

06:50-23:57

2 stops22h 07m

£558

BostonLondon

BOS - LTN

BOSLTN

Boston Logan Intl

Mon 24/8

22:45-19:05

2 stops15h 20m

London Luton

Wed 2/9

08:00-20:20

2 stops17h 20m

£575

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Thu 10/12

17:35-14:35

2 stops16h 00m

London Heathrow

Mon 14/12

19:50-15:40

2 stops24h 50m

£582

BostonLondon

BOS - LTN

BOSLTN

Boston Logan Intl

Mon 10/8

17:25-09:15

1 stop10h 50m

London Luton

Mon 17/8

08:15-14:55

1 stop11h 40m

£584

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Sat 12/9

17:40-14:35

2 stops15h 55m

London Heathrow

Thu 17/9

21:05-15:35

2 stops23h 30m

£586

BostonLondon

BOS - LTN

BOSLTN

Boston Logan Intl

Wed 11/11

19:50-12:55

1 stop12h 05m

London Luton

Sun 15/11

06:00-17:50

1 stop16h 50m

£589

BostonLondon

BOS - LTN

BOSLTN

Boston Logan Intl

Fri 11/9

10:50-16:20

2 stops24h 30m

London Luton

Fri 25/9

19:40-20:20

3 stops29h 40m

£591

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Sun 6/9

19:05-06:45

Nonstop6h 40m

London Heathrow

Tue 15/9

09:55-16:35

1 stop11h 40m

£599

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Sun 11/10

21:30-09:15

Nonstop6h 45m

London Heathrow

Wed 14/10

11:45-18:30

1 stop11h 45m

£599
Fastest return journey

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Sat 12/9

23:10-10:40

Nonstop6h 30m

London Heathrow

Sun 20/9

18:55-21:20

Nonstop7h 25m

£602

Flights are sorted by cheapest return flights first.

Deals found on 19/6

Showing 1-10 of 60 resultsSorted by cheapest first
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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 40m. Fly via United Airlines, Scandinavian Airlines, or Delta 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
Hounslow
Milton Keynes
Wembley
Luton
Gatwick
Croydon
Slough
Ilford
Hayes
Brentford
Colchester
Kingston upon Thames
Eastbourne
Watford
Guildford
Romford
Ipswich
Borehamwood
Folkestone
Southall

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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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San Francisco to Gatwick flights
Boston to Stansted flights
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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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