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Cheap flights from New Hampshire to London Heathrow Airport from £147

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 15/10. Fares are subject to change and may not be available on all flights or dates of travel.
MHT — LHR
5 Sep — 12 Sep1
1 adult

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 31 August 2025.

Round-trip from

£336

One-way from

£147

Popular in

June

Cheapest in

January

Average price

£439
Lufthansa
  • Lufthansa
  • 10/10-12/10
  • 2 total stops
  • 24h 30m total
  • New Hampshire to London
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Virgin Atlantic
  • Virgin Atlantic
  • 15/10
  • Nonstop
  • 6h 45m total
  • New Hampshire to London
Search Deals
Highest demand for flights based on searches. 13% potential increase in price (£55 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 August 2025
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Find flight deals from New Hampshire to Heathrow

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 31 August 2025.

Fri 5/917:50BOS - LHR
1 stop10h 50mMultiple Airlines
Sun 7/906:00LHR - BOS
1 stop18h 55mMultiple Airlines
Deal found 30/8£336
Thu 11/1217:35BOS - LHR
2 stops41h 50mScandinavian Airlines
Sun 14/1206:40LHR - BOS
2 stops14h 10mScandinavian Airlines
Deal found 30/8£338
Tue 14/1016:23BOS - LHR
1 stop11h 57mLufthansa
Tue 21/1013:45LHR - BOS
1 stop11h 10mLufthansa
Deal found 30/8£339
Sat 6/906:00BOS - LHR
1 stop9h 40mLufthansa
Mon 20/1008:40LHR - BOS
1 stop11h 45mLufthansa
Deal found 29/8£340
Mon 1/920:15BOS - LHR
Nonstop6h 50mVirgin Atlantic
Sun 7/909:00LHR - BOS
1 stop11h 05mVirgin Atlantic
Deal found 29/8£340
Fri 26/922:00BOS - LHR
1 stop13h 40mMultiple Airlines
Sun 28/909:05LHR - BOS
1 stop33h 45mMultiple Airlines
Deal found 29/8£341
Fri 12/1217:35BOS - LHR
1 stop10h 45mScandinavian Airlines
Sun 14/1206:40LHR - BOS
2 stops14h 10mScandinavian Airlines
Deal found 29/8£342
Wed 5/1110:15BOS - LHR
1 stop15h 55mUnited Airlines
Sat 22/1109:00LHR - BOS
1 stop16h 20mUnited Airlines
Deal found 29/8£343
Mon 1/1219:25BOS - LHR
1 stop8h 50mAer Lingus
Mon 8/1210:00LHR - BOS
1 stop11h 50mAer Lingus
Deal found 29/8£344
Fri 17/1018:35BOS - LHR
1 stop9h 30mAer Lingus
Wed 22/1008:50LHR - BOS
1 stop10h 50mAer Lingus
Deal found 29/8£346
Fri 17/1006:50PWM - LHR
2 stops21h 45mScandinavian Airlines
Fri 24/1007:05LHR - PWM
2 stops22h 00mScandinavian Airlines
Deal found 30/8£506
Fri 17/1007:09PWM - LHR
1 stop21h 21mJetBlue
Fri 24/1008:15LHR - PWM
1 stop19h 49mJetBlue
Deal found 30/8£523

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 31 August 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

Wed 24/9

20:15-10:45

1 stop9h 30m

London Heathrow

Fri 26/9

09:40-12:20

Nonstop7h 40m

£346

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Tue 14/10

18:35-09:05

1 stop9h 30m

London Heathrow

Tue 21/10

08:50-14:40

1 stop10h 50m

£353

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Tue 4/11

21:20-13:25

1 stop11h 05m

London Heathrow

Tue 11/11

12:10-18:55

1 stop11h 45m

£354

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Thu 6/11

17:35-12:55

2 stops38h 20m

London Heathrow

Sun 9/11

06:40-15:50

2 stops14h 10m

£356

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Sun 2/11

20:40-10:25

1 stop32h 45m

London Heathrow

Wed 5/11

09:00-20:20

1 stop16h 20m

£363

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Tue 30/9

16:45-21:00

2 stops47h 15m

London Heathrow

Fri 3/10

09:30-17:40

2 stops13h 10m

£363

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Sat 11/10

17:40-09:35

2 stops58h 55m

London Heathrow

Tue 14/10

13:55-15:35

2 stops54h 40m

£363

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Mon 29/9

06:00-20:40

1 stop9h 40m

London Heathrow

Tue 30/9

13:30-20:10

1 stop11h 40m

£367

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Wed 14/1

15:40-07:10

1 stop10h 30m

London Heathrow

Thu 22/1

12:05-20:20

1 stop13h 15m

£369

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Mon 27/10

15:40-07:10

1 stop11h 30m

London Heathrow

Mon 3/11

12:05-20:20

1 stop13h 15m

£369

Flights are sorted by cheapest return flights first.

Deals found on 30/8

Showing 1-10 of 58 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?

    Aer Lingus, Scandinavian Airlines, and United Airlines can get you from New Hampshire to London Heathrow Airport in just under 9h 30m. Your travel time can differ by up to 28h 50m. 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 cheapest airlines to fly from New Hampshire to London Heathrow Airport one-way?

    For one-way options, check prices for Icelandair. According to our data, you can fly for as low as £148. Users have also found prices from £151 and £216 on TAP AIR PORTUGAL and JetBlue, respectively.

  • 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.

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

    Currently, January is the cheapest month in which you can book a flight from New Hampshire to London Heathrow Airport (average of £112). Flying from New Hampshire to London Heathrow Airport 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 London Heathrow Airport?

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

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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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?

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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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