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Cheap flights from New Hampshire to London Heathrow Airport from £257

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 18/7. Fares are subject to change and may not be available on all flights or dates of travel.
MHT — LHR
8 Jul — 15 Jul1
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 8 June 2026.

Sun 27/914:50
MHT
-
LHR
1 stop14h 50m
United Airlines
Tue 29/906:50
LHR
-
MHT
2 stops17h 11m
United Airlines
Deal found 7/6£569
Mon 16/1113:30
MHT
-
LHR
2 stops37h 35m
United Airlines
Thu 19/1107:40
LHR
-
MHT
2 stops21h 19m
United Airlines
Deal found 2/6£570
Sun 2/818:25
BOS
-
LHR
1 stop21h 35m
Multiple Airlines
Tue 11/807:40
LHR
-
BOS
2 stops16h 35m
Multiple Airlines
Deal found 3/6£571
Thu 8/1021:40
BOS
-
LHR
1 stop15h 10m
SWISS
Sun 11/1008:45
LHR
-
BOS
1 stop16h 10m
SWISS
Deal found 3/6£572
Wed 7/1023:00
BOS
-
LHR
1 stop16h 20m
Multiple Airlines
Wed 21/1017:35
LHR
-
BOS
Nonstop7h 30m
Multiple Airlines
Deal found 3/6£573
Sun 2/818:25
BOS
-
LHR
1 stop21h 35m
Multiple Airlines
Thu 6/809:50
LHR
-
BOS
1 stop10h 05m
Multiple Airlines
Deal found 3/6£573
Mon 14/919:41
MHT
-
LHR
1 stop30h 14m
United Airlines
Thu 17/906:50
LHR
-
MHT
2 stops22h 09m
United Airlines
Deal found 3/6£573
Sun 6/917:40
BOS
-
LHR
1 stop19h 00m
Scandinavian Airlines
Sun 13/921:05
LHR
-
BOS
2 stops23h 30m
Scandinavian Airlines
Deal found 7/6£574
Mon 27/723:00
BOS
-
LHR
1 stop16h 20m
Multiple Airlines
Thu 30/710:05
LHR
-
BOS
Nonstop7h 30m
Multiple Airlines
Deal found 7/6£575
Sun 11/1018:30
BOS
-
LHR
1 stop9h 35m
Aer Lingus
Mon 19/1009:50
LHR
-
BOS
1 stop10h 50m
Aer Lingus
Deal found 7/6£576
Fri 11/907:25
BOS
-
LHR
Nonstop6h 30m
Multiple Airlines
Sun 20/921:25
LHR
-
BOS
1 stop26h 25m
Multiple Airlines
Deal found 7/6£576
Thu 20/810:40
BOS
-
LHR
2 stops14h 50m
Multiple Airlines
Wed 26/813:25
LHR
-
BOS
1 stop10h 25m
Multiple Airlines
Deal found 7/6£577

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 8 June 2026.

Round-trip from

£569

One-way from

£257

Popular in

June

Cheapest in

October

Average price

£669
United Airlines
  • United Airlines
  • 27/9-29/9
  • 3 total stops
  • 32h 01m total
  • New Hampshire to London
Search Deals
Virgin Atlantic
  • Virgin Atlantic
  • 18/7
  • Nonstop
  • 6h 45m total
  • New Hampshire to London
Search Deals
Highest demand for flights based on searches. 20% potential increase in price (£88 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (£14 potential savings vs. average return price).
Search Deals
Average for round-trip flights in June 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 8 June 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

ManchesterLondon

MHT - LHR

MHTLHR

Manchester

Sun 27/9

14:50-10:40

1 stop14h 50m

London Heathrow

Tue 29/9

06:50-19:01

2 stops17h 11m

£569

ManchesterLondon

MHT - LHR

MHTLHR

Manchester

Tue 17/11

13:30-10:50

1 stop16h 20m

London Heathrow

Thu 19/11

06:50-23:59

2 stops22h 09m

£569

ManchesterLondon

MHT - LHR

MHTLHR

Manchester

Mon 16/11

09:40-08:05

2 stops41h 25m

London Heathrow

Thu 19/11

07:40-23:59

2 stops21h 19m

£570

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Sat 12/9

19:05-06:45

Nonstop6h 40m

London Heathrow

Fri 18/9

11:45-18:30

1 stop11h 45m

£595

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Fri 18/9

21:30-09:15

Nonstop6h 45m

London Heathrow

Tue 22/9

09:40-12:17

Nonstop7h 37m

£600

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Thu 27/8

19:10-06:45

Nonstop6h 35m

London Heathrow

Tue 1/9

18:55-21:20

Nonstop7h 25m

£600

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Sun 16/8

19:10-06:45

Nonstop6h 35m

London Heathrow

Mon 24/8

16:05-18:50

Nonstop7h 45m

£600

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Mon 14/9

21:30-09:15

Nonstop6h 45m

London Heathrow

Sat 19/9

09:40-12:17

Nonstop7h 37m

£600
Fastest return journey

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Sat 8/8

23:10-10:40

Nonstop6h 30m

London Heathrow

Mon 17/8

18:55-21:20

Nonstop7h 25m

£622

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Sun 12/7

17:40-16:25

2 stops17h 45m

London Heathrow

Wed 15/7

07:05-15:35

2 stops13h 30m

£624

Flights are sorted by cheapest return flights first.

Deals found on 6/6

Showing 1-10 of 59 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?

    United Airlines, Delta, and KLM can get you from New Hampshire to London Heathrow Airport in just under 6h 40m. Your travel time can differ by up to 8h 10m. 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
Hounslow
Milton Keynes
Wembley
Luton
Gatwick
Croydon
Ilford
Slough
Northampton
Hayes
Brentford
Colchester
Kingston upon Thames
Eastbourne
Watford
Swindon
Ipswich
Romford
Guildford
Poole

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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Newark to Stansted flights
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Boston to London City flights
Newark to Luton flights
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Dulles Intl to Gatwick flights
Boston to Stansted flights
George Bush Intcntl to Heathrow flights
Los Angeles to Stansted flights
Newark to London City flights
Philadelphia to Heathrow flights
Denver to Heathrow flights
Los Angeles to London City flights
Dulles Intl to London City flights
Seattle to Gatwick flights
O'Hare Intl to Gatwick flights
San Francisco to Gatwick flights
San Francisco to London City flights
Baltimore to Gatwick flights
Sky Harbor Intl to Heathrow flights
O'Hare Intl to London City flights
O'Hare Intl to Stansted flights
Austin to Heathrow flights
Orlando to Gatwick flights
Charlotte to Heathrow flights
San Francisco to Stansted 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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