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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 15/1. Fares are subject to change and may not be available on all flights or dates of travel.
MHT — LHR
18 Dec — 25 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 18 November 2025.

Round-trip from

£381

One-way from

£147

Popular in

June

Cheapest in

October

Average price

£441
United Airlines
  • United Airlines
  • 13/2-16/2
  • 2 total stops
  • 32h 10m total
  • New Hampshire to London
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Virgin Atlantic
  • Virgin Atlantic
  • 15/1
  • 1 total stop
  • 10h 54m total
  • New Hampshire to London
Search Deals
Highest demand for flights based on searches. 14% potential increase in price (£60 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% 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 18 November 2025.

Tue 25/1110:15BOS - LHR
2 stops15h 15mMultiple Airlines
Thu 4/1209:00LHR - BOS
2 stops15h 12mMultiple Airlines
Deal found 16/11£381
Mon 17/1119:12BOS - LHR
Nonstop6h 43mJetBlue
Fri 21/1109:20LHR - BOS
Nonstop7h 50mJetBlue
Deal found 15/11£381
Wed 19/1106:02BOS - LHR
1 stop9h 33mUnited Airlines
Mon 24/1107:40LHR - BOS
1 stop15h 55mUnited Airlines
Deal found 16/11£382
Tue 30/1205:20BOS - LHR
1 stop24h 30mUnited Airlines
Fri 9/111:10LHR - BOS
1 stop27h 52mUnited Airlines
Deal found 16/11£383
Wed 19/1123:55BOS - LHR
Nonstop6h 30mDelta
Wed 3/1206:20LHR - BOS
1 stop15h 00mDelta
Deal found 17/11£384
Mon 17/1120:00BOS - LHR
Nonstop6h 50mDelta
Sun 23/1106:20LHR - BOS
1 stop12h 20mDelta
Deal found 16/11£384
Wed 19/1119:25BOS - LHR
Nonstop6h 35mBritish Airways
Tue 25/1113:30LHR - BOS
Nonstop7h 40mBritish Airways
Deal found 15/11£385
Tue 18/1120:00BOS - LHR
Nonstop6h 50mDelta
Fri 28/1106:30LHR - BOS
1 stop11h 50mDelta
Deal found 17/11£386
Mon 1/1219:15BOS - LHR
Nonstop6h 45mBritish Airways
Sat 13/1210:45LHR - BOS
1 stop14h 05mBritish Airways
Deal found 17/11£387
Sat 22/1110:25BOS - LHR
2 stops38h 30mUnited Airlines
Thu 27/1113:25LHR - BOS
1 stop25h 07mUnited Airlines
Deal found 16/11£387
Wed 31/1207:30BOS - LHR
Nonstop6h 30mBritish Airways
Tue 13/111:40LHR - BOS
Nonstop7h 40mBritish Airways
Deal found 17/11£388
Wed 19/1123:55BOS - LHR
Nonstop6h 30mDelta
Mon 15/1209:40LHR - BOS
Nonstop7h 50mDelta
Deal found 16/11£389

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 18 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

Fri 5/12

23:55-11:25

Nonstop6h 30m

London Heathrow

Mon 8/12

06:20-13:35

1 stop12h 15m

£384

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Mon 1/12

20:00-07:50

Nonstop6h 50m

London Heathrow

Mon 8/12

06:20-16:20

1 stop15h 00m

£384

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Mon 2/3

20:00-07:50

Nonstop6h 50m

London Heathrow

Mon 9/3

06:20-14:30

1 stop12h 10m

£389

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Sat 7/3

19:10-06:50

Nonstop6h 40m

London Heathrow

Wed 11/3

06:20-17:20

1 stop15h 00m

£390

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Tue 9/12

16:46-08:45

1 stop10h 59m

London Heathrow

Tue 16/12

09:40-12:30

Nonstop7h 50m

£393

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Sun 7/12

13:05-08:45

1 stop14h 40m

London Heathrow

Sun 14/12

09:40-12:30

Nonstop7h 50m

£393

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Sun 7/12

12:10-06:25

1 stop13h 15m

London Heathrow

Sun 14/12

13:05-16:00

Nonstop7h 55m

£393

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Sun 22/3

15:40-07:10

1 stop11h 30m

London Heathrow

Thu 23/4

08:45-15:30

1 stop11h 45m

£394

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Mon 23/3

15:40-07:10

1 stop11h 30m

London Heathrow

Tue 21/4

08:45-15:30

1 stop11h 45m

£394

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Sun 22/3

20:10-06:50

Nonstop6h 40m

London Heathrow

Tue 14/4

06:30-13:35

1 stop12h 05m

£401

Flights are sorted by cheapest return flights first.

Deals found on 17/11

Showing 1-10 of 60 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?

    Delta, Virgin Atlantic, and KLM can get you from New Hampshire to London Heathrow Airport in just under 6h 30m. Your travel time can differ by up to 6h. 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 British Airways. According to our data, you can fly for as low as £153. Users have also found prices from £169 and £303 on Delta and United Airlines, 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.

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
Swindon
Crawley
Brentford
Romford
Chichester
Ipswich

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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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Minneapolis to Heathrow flights
Boston to Stansted flights
O'Hare Intl to London City flights
San Francisco to London City flights
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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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