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Cheap flights from New Hampshire to London Heathrow Airport from £168

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 16/8. Fares are subject to change and may not be available on all flights or dates of travel.
MHT — LHR
9 Apr — 16 Apr1
1 adult
1 adult, Economy, 0 bags

Cheap 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 10 March 2026.

Sun 23/817:40
BOS
-
LHR
2 stops38h 15m
Scandinavian Airlines
Wed 26/806:40
LHR
-
BOS
1 stop13h 55m
Scandinavian Airlines
Deal found 5/3£369
Fri 3/410:40
BOS
-
LHR
1 stop14h 50m
Multiple Airlines
Sun 5/406:00
LHR
-
BOS
1 stop14h 10m
Multiple Airlines
Deal found 7/3£370
Thu 23/420:50
BOS
-
LHR
1 stop10h 05m
Icelandair
Wed 29/421:25
LHR
-
BOS
1 stop29h 20m
Icelandair
Deal found 6/3£370
Mon 20/415:35
BOS
-
LHR
1 stop13h 25m
Air Canada
Wed 22/408:40
LHR
-
BOS
2 stops14h 17m
Air Canada
Deal found 5/3£371
Thu 2/423:00
BOS
-
LHR
1 stop31h 55m
Icelandair
Wed 8/421:25
LHR
-
BOS
1 stop26h 25m
Icelandair
Deal found 9/3£372
Tue 28/420:50
BOS
-
LHR
1 stop10h 05m
Icelandair
Tue 5/513:05
LHR
-
BOS
1 stop10h 45m
Icelandair
Deal found 5/3£373
Tue 28/420:50
BOS
-
LHR
1 stop10h 05m
Icelandair
Sun 10/521:25
LHR
-
BOS
1 stop26h 25m
Icelandair
Deal found 5/3£373
Sat 18/418:40
BOS
-
LHR
1 stop21h 20m
United Airlines
Mon 20/417:50
LHR
-
BOS
2 stops27h 32m
United Airlines
Deal found 6/3£374
Wed 29/420:50
BOS
-
LHR
1 stop18h 30m
Icelandair
Thu 28/521:25
LHR
-
BOS
1 stop26h 25m
Icelandair
Deal found 7/3£375
Sun 26/418:45
BOS
-
LHR
1 stop32h 50m
Air Canada
Wed 29/406:50
LHR
-
BOS
2 stops13h 02m
Air Canada
Deal found 6/3£376
Mon 11/520:10
BOS
-
LHR
Nonstop6h 50m
British Airways
Wed 13/506:15
LHR
-
BOS
1 stop14h 55m
British Airways
Deal found 9/3£376
Tue 7/413:00
BOS
-
LHR
2 stops16h 00m
Air Canada
Thu 9/408:45
LHR
-
BOS
2 stops14h 12m
Air Canada
Deal found 8/3£377

Find 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 10 March 2026.

Round-trip from

£368

One-way from

£168

Popular in

June

Cheapest in

October

Average price

£433
Icelandair
  • Icelandair
  • 23/4-18/5
  • 2 total stops
  • 27h 05m total
  • New Hampshire to London
Search Deals
JetBlue
  • JetBlue
  • 16/8
  • Nonstop
  • 6h 51m total
  • New Hampshire to London
Search Deals
Highest demand for flights based on searches. 14% potential increase in price (£57 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 March 2026
Search Deals

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 10 March 2026.
Use the filters below to find and compare flights from New Hampshire to London Heathrow Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Fri 3/4

20:10-08:00

Nonstop6h 50m

London Heathrow

Mon 13/4

18:05-23:52

1 stop10h 47m

£441

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Wed 22/4

18:40-21:00

1 stop21h 20m

London Heathrow

Wed 29/4

13:50-19:55

1 stop11h 05m

£458

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Sun 2/8

18:25-21:00

1 stop21h 35m

London Heathrow

Mon 31/8

07:25-17:40

1 stop15h 15m

£461

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Mon 20/4

05:45-10:40

1 stop23h 55m

London Heathrow

Fri 24/4

09:30-09:49

1 stop29h 19m

£463

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Thu 16/4

05:45-10:40

1 stop23h 55m

London Heathrow

Sat 25/4

09:30-09:49

1 stop29h 19m

£463

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Wed 19/8

19:10-06:45

Nonstop6h 35m

London Heathrow

Tue 25/8

11:30-19:35

1 stop13h 05m

£466

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Wed 6/5

19:00-06:45

Nonstop6h 45m

London Heathrow

Tue 19/5

09:40-12:10

Nonstop7h 30m

£471

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Sun 3/5

21:55-09:40

Nonstop6h 45m

London Heathrow

Thu 7/5

17:35-20:05

Nonstop7h 30m

£471

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Fri 17/4

18:40-21:00

1 stop21h 20m

London Heathrow

Wed 22/4

13:50-19:55

1 stop11h 05m

£495

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Thu 20/8

23:10-10:40

Nonstop6h 30m

London Heathrow

Mon 24/8

09:00-14:55

1 stop10h 55m

£503

Flights are sorted by cheapest return flights first.

Deals found on 6/3

Showing 1-10 of 60 resultsSorted by cheapest first
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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?

    Finnair, United Airlines, and JetBlue can get you from New Hampshire to London Heathrow Airport in just under 6h 50m. Your travel time can differ by up to 14h 30m. 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
Wembley
Croydon
Northampton
Luton
Hounslow
Slough
Gatwick
Ilford
Hayes
Brentford
Colchester
Guildford
Watford
Kingston upon Thames
Chelmsford
Eastbourne
Ipswich
Swindon
Bedford

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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Boston to Gatwick flights
Newark to Stansted flights
Newark to Luton flights
Newark to London City flights
Orlando to Heathrow flights
Atlanta to Heathrow flights
Hobby to Heathrow flights
Boston to London City flights
Miami to Heathrow flights
Dulles Intl to Gatwick flights
Boston to Stansted flights
Denver to Heathrow flights
Reagan-National to Heathrow flights
Dulles Intl to London City flights
George Bush Intcntl to Heathrow flights
Baltimore to Gatwick flights
Los Angeles to Stansted flights
Reagan-National to Gatwick flights
Los Angeles to Gatwick flights
Philadelphia to Heathrow flights
LaGuardia to Stansted flights
O'Hare Intl to Gatwick flights
Los Angeles to London City flights
O'Hare Intl to London City flights
Minneapolis to Heathrow flights
O'Hare Intl to Stansted flights
Tampa to Heathrow flights
Austin to Heathrow flights
San Francisco to Gatwick flights
Seattle to Gatwick flights
Raleigh to Heathrow flights
Detroit to Heathrow flights

Fly with Cheapflights

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

Cheapflights helps you search for flights from New Hampshire to Heathrow via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

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.

Can Cheapflights find flights from New Hampshire to Heathrow with no change fees?

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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