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Cheap flights from New Hampshire to London from £187

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 14/5. Fares are subject to change and may not be available on all flights or dates of travel.
MHT — LON
23 Apr — 30 Apr1
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 18 April 2025.

Round-trip from

£425

One-way from

£187

Popular in

June

Cheapest in

January

Average price

£455
Austrian Airlines
  • Austrian Airlines
  • 1/5-21/5
  • 3 total stops
  • 28h 05m total
  • New Hampshire to London
Search Deals
Icelandair
  • Icelandair
  • 14/5
  • 1 total stop
  • 31h 20m total
  • New Hampshire to London
Search Deals
Highest demand for flights based on searches. 14% potential increase in price (£61 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£11 potential savings vs. average return price).
Search Deals
Average for round-trip flights in April 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 18 April 2025.

Wed 30/419:15BOS - LTN
2 stops19h 10mMultiple Airlines
Thu 15/506:05LTN - BOS
2 stops16h 45mMultiple Airlines
Deal found 17/4£425
Thu 1/510:20BOS - LHR
2 stops15h 15mMultiple Airlines
Wed 21/506:00LHR - BOS
1 stop12h 50mMultiple Airlines
Deal found 17/4£425
Fri 29/812:35BOS - LGW
1 stop18h 10mIcelandair
Sun 7/913:00LGW - BOS
1 stop14h 00mIcelandair
Deal found 17/4£425
Wed 23/419:15BOS - STN
1 stop10h 25mPLAY
Sat 10/511:40STN - BOS
1 stop11h 10mPLAY
Deal found 18/4£425
Wed 7/520:50BOS - LHR
1 stop18h 30mIcelandair
Mon 12/521:25LHR - BOS
1 stop29h 35mIcelandair
Deal found 18/4£426
Tue 13/519:15BOS - STN
1 stop10h 25mMultiple Airlines
Tue 20/522:05STN - BOS
2 stops24h 45mMultiple Airlines
Deal found 17/4£426
Fri 25/418:58BOS - LHR
1 stop10h 12mLufthansa
Fri 2/512:10LHR - BOS
1 stop12h 45mLufthansa
Deal found 18/4£427
Wed 30/410:05BOS - LGW
1 stop17h 05mMultiple Airlines
Wed 7/515:05LGW - BOS
1 stop12h 44mMultiple Airlines
Deal found 16/4£427
Mon 15/917:40BOS - LHR
1 stop17h 20mScandinavian Airlines
Sun 28/918:40LHR - BOS
1 stop25h 55mScandinavian Airlines
Deal found 18/4£427
Mon 13/1017:04BOS - LGW
1 stop10h 06mAmerican Airlines
Fri 17/1015:05LGW - BOS
1 stop12h 44mAmerican Airlines
Deal found 18/4£427
Tue 25/1122:00BOS - LHR
Nonstop6h 30mIberia
Fri 28/1111:25LHR - BOS
Nonstop7h 35mIberia
Deal found 16/4£429
Fri 2/512:50BOS - LGW
1 stop14h 20mBritish Airways
Thu 8/515:05LGW - BOS
1 stop12h 44mBritish Airways
Deal found 17/4£430

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 18 April 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

Thu 1/5

10:40-06:35

1 stop14h 55m

London Heathrow

Wed 21/5

06:00-13:50

1 stop12h 50m

£425

BostonLondon

BOS - LGW

BOSLGW

Boston Logan Intl

Fri 29/8

12:35-11:45

1 stop18h 10m

London Gatwick

Sun 7/9

13:00-22:00

1 stop14h 00m

£425

BostonLondon

BOS - STN

BOSSTN

Boston Logan Intl

Wed 21/5

19:15-10:40

1 stop10h 25m

London Stansted

Mon 2/6

11:40-17:50

1 stop11h 10m

£425

BostonLondon

BOS - LTN

BOSLTN

Boston Logan Intl

Wed 30/4

19:15-19:25

2 stops19h 10m

London Luton

Thu 15/5

06:05-17:50

2 stops16h 45m

£425

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Wed 7/5

20:50-20:20

1 stop18h 30m

London Heathrow

Mon 12/5

21:25-22:00

1 stop29h 35m

£426

BostonLondon

BOS - STN

BOSSTN

Boston Logan Intl

Tue 13/5

19:15-10:40

1 stop10h 25m

London Stansted

Tue 20/5

22:05-17:50

2 stops24h 45m

£426

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Mon 15/9

17:40-16:00

1 stop17h 20m

London Heathrow

Sun 28/9

18:40-15:35

1 stop25h 55m

£427

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Thu 21/8

21:55-09:30

Nonstop6h 35m

London Heathrow

Tue 2/9

08:55-11:20

Nonstop7h 25m

£430

BostonLondon

BOS - LGW

BOSLGW

Boston Logan Intl

Fri 2/5

12:50-08:10

1 stop14h 20m

London Gatwick

Thu 8/5

15:05-22:49

1 stop12h 44m

£430

BostonLondon

BOS - LGW

BOSLGW

Boston Logan Intl

Thu 1/5

22:50-17:45

1 stop13h 55m

London Gatwick

Thu 8/5

15:05-22:49

1 stop12h 44m

£433

Flights are sorted by cheapest return flights first.

Deals found on 17/4

Showing 1-10 of 60 results
1
2
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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

Rainfall in London by month

Plan your trip to London by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in London ranges from 40.0 - 70.0 inches per month. January is typically the wettest month, when rainfall can reach 70.0 mm. July is typically the driest time to visit London when rainfall is around 40.0 mm.

Temperature in London by month

Plan your trip to London by taking into account the average temperature totals by month.

If weather is an important factor for your trip to London, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 4.0 C).

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 18 April 2025.
Get a feel of what it's like to fly with Delta, KLM and Finnair from New Hampshire to London by reading reviews from past customers. 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
7,917 reviews
Check prices

Boarding

8.2

Entertainment

7.9

Food

7.3

Crew

8.5

Comfort

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very Good
7,917 reviews
Delta
8.0
Very Good
7,917 reviews
Check prices

Boarding

8.2

Entertainment

7.9

Food

7.3

Crew

8.5

Comfort

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
KLM
7.8
Good
1,329 reviews
Delta
8.0
Very Good
7,917 reviews
Check prices

Boarding

8.2

Entertainment

7.9

Food

7.3

Crew

8.5

Comfort

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Finnair
7.6
Good
1,269 reviews
Delta
8.0
Very Good
7,917 reviews
Check prices

Boarding

8.2

Entertainment

7.9

Food

7.3

Crew

8.5

Comfort

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Austrian Airlines
7.6
Good
775 reviews
Delta
8.0
Very Good
7,917 reviews
Check prices

Boarding

8.2

Entertainment

7.9

Food

7.3

Crew

8.5

Comfort

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Azores Airlines
7.5
Good
65 reviews
Delta
8.0
Very Good
7,917 reviews
Check prices

Boarding

8.2

Entertainment

7.9

Food

7.3

Crew

8.5

Comfort

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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?

    £187 is the cheapest one-way deal found within the past few days, from Icelandair. You may also be able to find cheap deals on PLAY and TAP AIR PORTUGAL, with prices starting from £187 and £189, 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
Deal
Milton Keynes
Gatwick
Luton
Slough
Croydon
Eastbourne
Wembley
Hayes
Crawley
Southend-on-Sea
Maidstone
Ipswich
Southall
Ilford
Winchester
Folkestone
Dartford
Watford

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.

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

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