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Cheap flights from New Hampshire to London Heathrow Airport from £157

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 10/1. Fares are subject to change and may not be available on all flights or dates of travel.
MHT — LHR
4 Dec — 11 Dec1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from New Hampshire to Heathrow

Keep the following information in mind while searching for New Hampshire to Heathrow flight deals. Data was last updated 4 November 2025.

Round-trip from

£372

One-way from

£157

Popular in

June

Cheapest in

January

Average price

£445
Aer Lingus
  • Aer Lingus
  • 11/1-18/1
  • 2 total stops
  • 19h 55m total
  • New Hampshire to London
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JetBlue
  • JetBlue
  • 10/1
  • 1 total stop
  • 19h 35m total
  • New Hampshire to London
Search Deals
Highest demand for flights based on searches. 15% potential increase in price (£62 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 November 2025
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Find flight deals from New Hampshire to Heathrow

Enter your travel dates to find the best prices.

Cheapest flights from New Hampshire to Heathrow
Explore the most affordable flight options available from New Hampshire to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 4 November 2025.

Sun 9/1121:50BOS - LHR
1 stop10h 10mSWISS
Wed 12/1112:05LHR - BOS
1 stop13h 15mSWISS
Deal found 3/11£373
Wed 19/1119:50BOS - LHR
1 stop10h 00mIcelandair
Tue 25/1120:35LHR - BOS
1 stop19h 00mIcelandair
Deal found 2/11£374
Fri 12/1219:15BOS - LHR
Nonstop6h 45mIberia
Mon 15/1211:25LHR - BOS
1 stop13h 25mIberia
Deal found 3/11£374
Sun 9/1105:30BOS - LHR
1 stop20h 10mMultiple Airlines
Sun 16/1106:00LHR - BOS
1 stop19h 20mMultiple Airlines
Deal found 2/11£375
Tue 18/1121:50BOS - LHR
1 stop10h 10mSWISS
Sun 23/1109:00LHR - BOS
1 stop16h 00mSWISS
Deal found 3/11£376
Wed 19/1105:30BOS - LHR
1 stop20h 40mUnited Airlines
Sun 23/1109:00LHR - BOS
1 stop16h 00mUnited Airlines
Deal found 3/11£377
Thu 13/1115:40BOS - LHR
1 stop10h 30mMultiple Airlines
Tue 18/1109:00LHR - BOS
2 stops15h 12mMultiple Airlines
Deal found 3/11£378
Mon 8/1219:50BOS - LHR
1 stop18h 40mIcelandair
Wed 7/112:15LHR - BOS
1 stop10h 35mIcelandair
Deal found 2/11£378
Sun 9/1123:55BOS - LHR
Nonstop6h 30mVirgin Atlantic
Tue 18/1113:05LHR - BOS
Nonstop7h 55mVirgin Atlantic
Deal found 3/11£379
Fri 7/1106:02BOS - LHR
1 stop10h 18mUnited Airlines
Tue 9/1213:45LHR - BOS
1 stop11h 35mUnited Airlines
Deal found 3/11£380
Mon 3/1119:38BOS - LHR
1 stop30h 02mUnited Airlines
Mon 24/1113:25LHR - BOS
1 stop30h 27mUnited Airlines
Deal found 3/11£381
Sun 7/1206:15PWM - LHR
2 stops28h 45mScandinavian Airlines
Thu 11/1206:40LHR - PWM
3 stops22h 19mScandinavian Airlines
Deal found 3/11£461

Cheapflights Fare Finder

 
Customise your flight search to find flights from New Hampshire to Heathrow 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 4 November 2025.
Use the filters below to find and compare flights from New Hampshire to London Heathrow Airport that are best for you.

Fly from

New Hampshire

Fly to

Heathrow

Route

Depart

Return

Price

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Sat 15/11

18:40-07:10

1 stop31h 30m

London Heathrow

Sat 22/11

09:00-20:00

1 stop16h 00m

£377

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Thu 11/12

10:15-07:10

1 stop15h 55m

London Heathrow

Sun 14/12

13:25-12:33

2 stops28h 08m

£381

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Sun 16/11

15:40-07:10

1 stop10h 30m

London Heathrow

Sun 23/11

12:00-10:39

2 stops27h 39m

£381

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Thu 19/2

19:12-06:55

Nonstop6h 43m

London Heathrow

Sat 28/2

09:20-12:16

Nonstop7h 56m

£382

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Thu 13/11

19:12-06:55

Nonstop6h 43m

London Heathrow

Sun 16/11

09:20-12:14

Nonstop7h 54m

£382

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Sat 17/1

19:10-06:55

Nonstop6h 45m

London Heathrow

Mon 19/1

09:20-12:16

Nonstop7h 56m

£382

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Wed 28/1

05:10-21:40

1 stop11h 30m

London Heathrow

Mon 2/2

09:20-12:16

Nonstop7h 56m

£382

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Fri 20/2

19:12-06:55

Nonstop6h 43m

London Heathrow

Sun 1/3

09:20-12:16

Nonstop7h 56m

£382

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Thu 5/2

15:40-07:10

1 stop10h 30m

London Heathrow

Thu 12/2

09:00-19:42

2 stops15h 42m

£383

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Sat 14/2

18:40-20:35

1 stop20h 55m

London Heathrow

Wed 18/2

09:00-20:20

1 stop16h 20m

£383

Flights are sorted by cheapest return flights first.

Deals found on 2/11

Showing 1-10 of 49 results
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Best time to book a flight from New Hampshire to Heathrow

Have a flexible travel schedule? Discover the best time to fly to Heathrow 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 Heathrow Airport
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 Heathrow. 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 Heathrow Airport?

    United Airlines, JetBlue, and Delta can get you from New Hampshire to London Heathrow Airport in just under 6h 43m. Your travel time can differ by up to 24h 47m. The distance from New Hampshire to London Heathrow Airport is about 3254 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • What are the most popular routes from New Hampshire to London Heathrow Airport?

    While some choose either Manchester - London Heathrow or Portland - London Heathrow, Boston Logan Intl - London Heathrow is the most popular route from New Hampshire to London Heathrow Airport.

  • Can I find deals for flights from New Hampshire to Heathrow that include hotel bookings?

    Yes. In addition to deals on New Hampshire to Heathrow flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from New Hampshire to Heathrow?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from New Hampshire to Heathrow.

  • Can I find deals for business class flights from New Hampshire to Heathrow?

    Yes. Cheapflights offers flight deals from New Hampshire to Heathrow 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 Heathrow Airport?

Book flights to London Heathrow Airport if you plan to visit one of these locations
Milton Keynes
Croydon
Slough
Gatwick
Hounslow
Northampton
Luton
Ilford
Wembley
Deal
Hayes
Colchester
Watford
Winchester
Chichester
Swindon
Crawley
Romford
Brentford
Ipswich

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for New Hampshire to Heathrow

See prices for flight routes from nearby airports that may be better suited for you.
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Los Angeles to London City flights
O'Hare Intl to London City flights
San Francisco to London City flights
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Los Angeles to Stansted flights
Dulles Intl to Luton flights
George Bush Intcntl to Heathrow flights

Fly with Cheapflights

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How does Cheapflights help users find flights from New Hampshire to Heathrow?

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Why should you use Cheapflights to find cheap flight tickets from New Hampshire to Heathrow?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Heathrow from New Hampshire.

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Users can book flights with no change fees policies with our dedicated filters. Book flights from New Hampshire to Heathrow flexibly with Cheapflights today.

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