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Cheap flights from New Hampshire to London from £168

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 25/4. Fares are subject to change and may not be available on all flights or dates of travel.
MHT — LON
26 Apr — 3 May1
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 27 March 2026.

Wed 6/523:15
BOS
-
LGW
1 stop16h 15m
TAP AIR PORTUGAL
Sat 16/512:05
LGW
-
BOS
1 stop13h 15m
TAP AIR PORTUGAL
Deal found 22/3£378
Sun 26/422:30
BOS
-
LGW
1 stop16h 55m
TAP AIR PORTUGAL
Tue 5/521:15
LGW
-
BOS
2 stops28h 05m
TAP AIR PORTUGAL
Deal found 22/3£381
Sat 9/523:15
BOS
-
LGW
1 stop31h 05m
TAP AIR PORTUGAL
Sat 16/521:15
LGW
-
BOS
1 stop28h 05m
TAP AIR PORTUGAL
Deal found 22/3£385
Tue 21/420:50
BOS
-
STN
2 stops22h 20m
Multiple Airlines
Tue 28/412:45
STN
-
BOS
2 stops35h 05m
Multiple Airlines
Deal found 22/3£387
Mon 4/523:15
BOS
-
LGW
1 stop31h 05m
TAP AIR PORTUGAL
Wed 13/521:15
LGW
-
BOS
2 stops28h 05m
TAP AIR PORTUGAL
Deal found 22/3£389
Wed 22/420:50
BOS
-
LGW
2 stops30h 50m
Multiple Airlines
Wed 29/421:45
LGW
-
BOS
1 stop28h 20m
Multiple Airlines
Deal found 23/3£390
Thu 23/420:50
BOS
-
LGW
1 stop12h 50m
Icelandair
Thu 30/415:40
LGW
-
BOS
1 stop11h 05m
Icelandair
Deal found 24/3£390
Thu 23/423:00
BOS
-
STN
2 stops20h 30m
Multiple Airlines
Thu 30/407:20
STN
-
BOS
2 stops19h 25m
Multiple Airlines
Deal found 26/3£391
Sun 10/523:00
BOS
-
LGW
1 stop10h 40m
Icelandair
Wed 27/515:40
LGW
-
BOS
1 stop11h 05m
Icelandair
Deal found 22/3£393
Wed 22/420:50
BOS
-
LHR
1 stop10h 05m
Icelandair
Wed 29/421:25
LHR
-
BOS
1 stop29h 20m
Icelandair
Deal found 23/3£393
Thu 7/523:00
BOS
-
LGW
1 stop10h 40m
Icelandair
Thu 14/515:40
LGW
-
BOS
1 stop11h 05m
Icelandair
Deal found 22/3£393
Tue 5/521:40
BOS
-
LTN
2 stops18h 35m
Multiple Airlines
Tue 12/506:00
LTN
-
BOS
2 stops18h 55m
Multiple Airlines
Deal found 23/3£396

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 27 March 2026.

Round-trip from

£378

One-way from

£168

Popular in

June

Cheapest in

October

Average price

£437
TAP AIR PORTUGAL
  • TAP AIR PORTUGAL
  • 6/5-16/5
  • 2 total stops
  • 29h 30m total
  • New Hampshire to London
Search Deals
25/4
  • 25/4
  • 2 total stops
  • 17h 15m total
  • New Hampshire to London
Search Deals
Highest demand for flights based on searches. 14% potential increase in price (£58 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 March 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 27 March 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

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Wed 23/9

23:00-20:05

1 stop16h 05m

London Heathrow

Sat 17/10

20:50-22:05

1 stop30h 15m

£422

BostonLondon

BOS - LGW

BOSLGW

Boston Logan Intl

Wed 23/9

23:00-10:50

1 stop30h 50m

London Gatwick

Sat 17/10

19:40-22:05

1 stop31h 25m

£500

BostonLondon

BOS - LTN

BOSLTN

Boston Logan Intl

Wed 29/4

21:15-15:25

1 stop13h 10m

London Luton

Tue 5/5

13:10-22:00

1 stop13h 50m

£507

BostonLondon

BOS - LTN

BOSLTN

Boston Logan Intl

Wed 9/9

21:15-12:35

1 stop10h 20m

London Luton

Mon 14/9

13:00-21:15

1 stop13h 15m

£518

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Mon 4/5

23:10-10:40

Nonstop6h 30m

London Heathrow

Mon 18/5

09:55-16:25

1 stop11h 30m

£525

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Thu 30/4

23:10-10:40

Nonstop6h 30m

London Heathrow

Sun 3/5

11:45-18:30

1 stop11h 45m

£526

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Mon 6/4

13:00-07:10

1 stop13h 10m

London Heathrow

Wed 15/4

09:55-16:25

1 stop11h 30m

£529

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Sat 11/4

09:05-07:10

1 stop17h 05m

London Heathrow

Fri 17/4

06:15-13:33

1 stop12h 18m

£529
Fastest return journey

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Sun 12/4

21:30-09:15

Nonstop6h 45m

London Heathrow

Sun 19/4

09:40-12:07

Nonstop7h 27m

£530

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Mon 13/4

21:30-09:15

Nonstop6h 45m

London Heathrow

Sat 18/4

09:40-12:07

Nonstop7h 27m

£530

Flights are sorted by cheapest return flights first.

Deals found on 27/3

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

How much does it cost for a return flight from New Hampshire to London?

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 10h 05m. Fly via Icelandair, LEVEL, or United Airlines 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
Wembley
Croydon
Hounslow
Luton
Gatwick
Slough
Ilford
Hayes
Brentford
Colchester
Eastbourne
Guildford
Watford
Kingston upon Thames
Romford
Ipswich
Bedford
Chelmsford
Bishop's Stortford

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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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