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Cheap flights from New Hampshire to London Heathrow Airport from £190

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 12/4. Fares are subject to change and may not be available on all flights or dates of travel.
MHT — LHR
9 May — 16 May1
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 9 April 2026.

Sat 25/420:50
BOS
-
LHR
2 stops18h 05m
Multiple Airlines
Thu 30/406:40
LHR
-
BOS
2 stops20h 05m
Multiple Airlines
Deal found 6/4£422
Sat 25/420:50
BOS
-
LHR
2 stops19h 30m
Multiple Airlines
Wed 29/406:40
LHR
-
BOS
2 stops17h 10m
Multiple Airlines
Deal found 6/4£423
Wed 6/523:15
BOS
-
LHR
2 stops18h 40m
TAP AIR PORTUGAL
Tue 12/518:45
LHR
-
BOS
1 stop25h 00m
TAP AIR PORTUGAL
Deal found 6/4£433
Sun 26/422:30
BOS
-
LHR
2 stops19h 25m
TAP AIR PORTUGAL
Tue 12/518:45
LHR
-
BOS
1 stop25h 00m
TAP AIR PORTUGAL
Deal found 8/4£434
Mon 11/523:15
BOS
-
LHR
2 stops17h 45m
TAP AIR PORTUGAL
Tue 19/518:45
LHR
-
BOS
1 stop30h 35m
TAP AIR PORTUGAL
Deal found 7/4£438
Mon 27/422:30
BOS
-
LHR
2 stops15h 20m
TAP AIR PORTUGAL
Tue 5/518:45
LHR
-
BOS
1 stop30h 35m
TAP AIR PORTUGAL
Deal found 3/4£440
Thu 23/423:00
BOS
-
LHR
2 stops17h 20m
Multiple Airlines
Tue 28/417:30
LHR
-
BOS
3 stops30h 20m
Multiple Airlines
Deal found 7/4£445
Sun 26/418:05
BOS
-
LHR
1 stop11h 15m
TAP AIR PORTUGAL
Wed 13/506:00
LHR
-
BOS
1 stop13h 45m
TAP AIR PORTUGAL
Deal found 6/4£449
Thu 23/423:00
BOS
-
LHR
2 stops17h 20m
Multiple Airlines
Thu 30/406:40
LHR
-
BOS
2 stops20h 05m
Multiple Airlines
Deal found 5/4£450
Thu 23/423:00
BOS
-
LHR
2 stops17h 20m
Multiple Airlines
Wed 29/406:40
LHR
-
BOS
2 stops17h 10m
Multiple Airlines
Deal found 6/4£451
Sat 2/514:51
PWM
-
LHR
1 stop12h 59m
KLM
Sat 9/511:20
LHR
-
PWM
1 stop18h 23m
KLM
Deal found 4/4£538
Tue 5/517:24
ORH
-
LHR
1 stop13h 41m
Delta
Thu 14/508:40
LHR
-
ORH
2 stops35h 53m
Delta
Deal found 7/4£540

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 9 April 2026.

Round-trip from

£422

One-way from

£190

Popular in

June

Cheapest in

October

Average price

£455
25/4-30/4
  • 25/4-30/4
  • 4 total stops
  • 38h 10m total
  • New Hampshire to London
Search Deals
British Airways
  • British Airways
  • 12/4
  • Nonstop
  • 6h 50m total
  • New Hampshire to London
Search Deals
Highest demand for flights based on searches. 15% potential increase in price (£60 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 April 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 9 April 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

Thu 7/5

22:50-09:10

1 stop29h 20m

London Heathrow

Tue 19/5

20:50-21:05

1 stop29h 15m

£525

WorcesterLondon

ORH - LHR

ORHLHR

Worcester

Tue 5/5

17:24-10:20

1 stop11h 56m

London Heathrow

Sat 16/5

06:30-15:33

2 stops38h 03m

£540

PortlandLondon

PWM - LHR

PWMLHR

Portland

Fri 8/5

14:38-12:05

1 stop16h 27m

London Heathrow

Mon 11/5

09:55-00:43

2 stops19h 48m

£540

PortlandLondon

PWM - LHR

PWMLHR

Portland

Fri 11/9

14:35-12:05

1 stop16h 30m

London Heathrow

Tue 29/9

08:55-23:59

2 stops20h 04m

£540

PortlandLondon

PWM - LHR

PWMLHR

Portland

Wed 6/5

14:51-10:20

1 stop14h 29m

London Heathrow

Mon 11/5

11:30-00:43

2 stops18h 13m

£540

PortlandLondon

PWM - LHR

PWMLHR

Portland

Sun 10/5

14:38-06:45

1 stop11h 07m

London Heathrow

Sat 16/5

06:30-23:09

2 stops21h 39m

£540

WorcesterLondon

ORH - LHR

ORHLHR

Worcester

Wed 6/5

17:24-10:20

1 stop11h 56m

London Heathrow

Tue 12/5

11:45-15:33

2 stops32h 48m

£541

WorcesterLondon

ORH - LHR

ORHLHR

Worcester

Tue 5/5

17:24-10:20

1 stop11h 56m

London Heathrow

Mon 11/5

09:55-15:33

2 stops34h 38m

£541

WorcesterLondon

ORH - LHR

ORHLHR

Worcester

Tue 5/5

17:24-10:20

1 stop11h 56m

London Heathrow

Tue 12/5

11:45-15:33

2 stops32h 48m

£541

PortlandLondon

PWM - LHR

PWMLHR

Portland

Sun 10/5

14:38-10:20

1 stop14h 42m

London Heathrow

Sat 16/5

08:20-00:43

1 stop21h 23m

£545

Flights are sorted by cheapest return flights first.

Deals found on 8/4

Showing 1-10 of 60 resultsSorted by cheapest first
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6

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?

    LEVEL, Delta, and United Airlines can get you from New Hampshire to London Heathrow Airport in just under 11h 56m. Your travel time can differ by up to 17h 24m. The distance from New Hampshire to London Heathrow Airport is about 3293 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 Portland - London Heathrow or Manchester - 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
Hounslow
Gatwick
Luton
Ilford
Slough
Hayes
Brentford
Colchester
Watford
Kingston upon Thames
Romford
Eastbourne
Swindon
Chelmsford
Ipswich
Southend-on-Sea

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