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Cheap flights from New Hampshire to London from £164

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 13/8. Fares are subject to change and may not be available on all flights or dates of travel.
MHT — LON
8 Jul — 15 Jul1
1 adult

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 3 July 2025.

Round-trip from

£376

One-way from

£164

Popular in

June

Cheapest in

January

Average price

£541
British Airways
  • British Airways
  • 11/8-24/8
  • 1 total stop
  • 17h 34m total
  • New Hampshire to London
Search Deals
13/8
  • 13/8
  • 2 total stops
  • 19h 10m total
  • New Hampshire to London
Search Deals
Highest demand for flights based on searches. 13% potential increase in price (£52 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 July 2025
Search Deals

Find flight deals from New Hampshire to London

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 July 2025.

Mon 11/820:50BOS - LHR
1 stop10h 05mIcelandair
Sun 24/813:05LHR - BOS
1 stop10h 45mIcelandair
Deal found 2/7£376
Fri 22/820:50BOS - LGW
1 stop12h 50mIcelandair
Sun 24/815:40LGW - BOS
1 stop24h 55mIcelandair
Deal found 2/7£376
Sat 16/820:10BOS - LHR
Nonstop6h 40mFinnair
Sat 23/808:55LHR - BOS
Nonstop7h 30mFinnair
Deal found 2/7£377
Sun 3/813:26BOS - LGW
1 stop13h 24mAmerican Airlines
Wed 13/815:05LGW - BOS
1 stop12h 54mAmerican Airlines
Deal found 3/7£377
Sun 10/810:35BOS - STN
3 stops19h 00mMultiple Airlines
Tue 19/822:35STN - BOS
2 stops22h 20mMultiple Airlines
Deal found 2/7£377
Fri 15/813:25BOS - LHR
1 stop12h 50mDelta
Fri 22/808:40LHR - BOS
1 stop14h 45mDelta
Deal found 1/7£378
Sat 29/1121:55BOS - LGW
1 stop14h 55mSWISS
Tue 9/1218:40LGW - BOS
1 stop30h 40mSWISS
Deal found 2/7£378
Mon 18/818:00BOS - LGW
2 stops35h 50mIberia
Wed 27/813:00LGW - BOS
1 stop13h 15mIberia
Deal found 1/7£379
Wed 19/1116:15BOS - LCY
1 stop20h 25mLufthansa
Fri 21/1109:55LCY - BOS
2 stops13h 40mLufthansa
Deal found 2/7£379
Thu 14/816:35BOS - LTN
2 stops23h 05mMultiple Airlines
Fri 22/821:05LTN - BOS
2 stops25h 55mMultiple Airlines
Deal found 1/7£379
Fri 15/805:50BOS - LHR
1 stop23h 10mUnited Airlines
Wed 20/806:50LHR - BOS
2 stops14h 38mUnited Airlines
Deal found 2/7£379
Sun 10/815:20BOS - LGW
2 stops16h 25mMultiple Airlines
Tue 19/821:35LGW - BOS
2 stops23h 20mMultiple Airlines
Deal found 2/7£379

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 July 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 - LHR

BOSLHR

Boston Logan Intl

Mon 11/8

19:45-07:20

Nonstop6h 35m

London Heathrow

Sun 24/8

17:00-22:59

1 stop10h 59m

£376

BostonLondon

BOS - LGW

BOSLGW

Boston Logan Intl

Fri 22/8

20:50-14:40

1 stop12h 50m

London Gatwick

Sun 24/8

15:40-11:35

1 stop24h 55m

£376

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Sat 16/8

20:10-07:50

Nonstop6h 40m

London Heathrow

Sat 23/8

08:55-11:25

Nonstop7h 30m

£377

BostonLondon

BOS - LGW

BOSLGW

Boston Logan Intl

Sun 3/8

13:26-07:50

1 stop13h 24m

London Gatwick

Fri 15/8

15:05-22:59

1 stop12h 54m

£377

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Tue 5/8

20:50-11:55

1 stop10h 05m

London Heathrow

Sun 24/8

21:25-11:35

1 stop19h 10m

£377

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Fri 15/8

16:55-09:15

1 stop11h 20m

London Heathrow

Sun 24/8

06:30-16:35

1 stop15h 05m

£378

BostonLondon

BOS - LGW

BOSLGW

Boston Logan Intl

Sat 29/11

21:55-17:50

1 stop14h 55m

London Gatwick

Tue 9/12

18:40-20:20

1 stop30h 40m

£378

BostonLondon

BOS - STN

BOSSTN

Boston Logan Intl

Sun 10/8

12:15-10:35

3 stops17h 20m

London Stansted

Tue 19/8

21:25-15:55

2 stops23h 30m

£378

BostonLondon

BOS - LGW

BOSLGW

Boston Logan Intl

Mon 18/8

18:00-10:50

2 stops35h 50m

London Gatwick

Wed 27/8

13:00-21:15

1 stop13h 15m

£379

BostonLondon

BOS - LCY

BOSLCY

Boston Logan Intl

Wed 19/11

16:15-17:40

1 stop20h 25m

London City

Fri 21/11

09:55-18:35

2 stops13h 40m

£379

Flights are sorted by cheapest return flights first.

Deals found on 2/7

Showing 1-10 of 60 results
1
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6

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.

Reviews of airlines servicing London

Get insights into the airlines that provide service to London. 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 London. Reviews last updated 3 July 2025.
See what other customers who have flown with Delta, KLM, andAustrian Airlines from New Hampshire to London 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.
Delta
8.0
Very Good
7,983 reviews
Check prices

Food

7.3

Overall

8.0

Comfort

7.9

Boarding

8.2

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very Good
7,983 reviews
Delta
8.0
Very Good
7,983 reviews
Check prices

Food

7.3

Overall

8.0

Comfort

7.9

Boarding

8.2

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
KLM
7.8
Good
1,366 reviews
Delta
8.0
Very Good
7,983 reviews
Check prices

Food

7.3

Overall

8.0

Comfort

7.9

Boarding

8.2

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Austrian Airlines
7.6
Good
809 reviews
Delta
8.0
Very Good
7,983 reviews
Check prices

Food

7.3

Overall

8.0

Comfort

7.9

Boarding

8.2

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Finnair
7.6
Good
1,306 reviews
Delta
8.0
Very Good
7,983 reviews
Check prices

Food

7.3

Overall

8.0

Comfort

7.9

Boarding

8.2

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Air France
7.5
Good
1,472 reviews
Delta
8.0
Very Good
7,983 reviews
Check prices

Food

7.3

Overall

8.0

Comfort

7.9

Boarding

8.2

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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.

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

    £165 is the cheapest one-way deal found within the past few days, from Air Canada. You may also be able to find cheap deals on Icelandair and United Airlines, with prices starting from £166 and £167, 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.

  • What is the cheapest month to book a flight from New Hampshire to London?

    Currently, January is the cheapest month in which you can book a flight from New Hampshire to London (average of £112). Flying from New Hampshire to London in August is currently the most expensive (average of £164). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Travelling to a place near New Hampshire?

Book flights to New Hampshire if you plan to visit one of these locations
Hounslow
Croydon
Milton Keynes
Deal
Gatwick
Luton
Slough
Wembley
Crawley
Eastbourne
Ilford
Hayes
Folkestone
Southend-on-Sea
Watford
Ipswich
Winchester
Maidstone
Guildford
Chichester

Browse thousands of different options on Cheapflights for your next trip

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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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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.

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