How long is the flight from New Hampshire to London Heathrow Airport?

Scandinavian Airlines, United Airlines, 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 12h. 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.

In terms of precipitation, rainfall in London Heathrow Airport ranges from 40.0 - 70.0 inches per month. January is typically the wettest month, when rainfall can reach 70.0 mm. July is typically the driest time to visit London Heathrow Airport when rainfall is around 40.0 mm.

If weather is an important factor for your trip to London Heathrow Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 4.0 C).

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.

What is the cheapest time of day to fly from NH to LHR?

When flying from New Hampshire to London Heathrow Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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.

£192+ Cheap Flights from New Hampshire to London Heathrow Airport

Cheap flight deals from New Hampshire to Heathrow

Enter your travel dates to find the best prices.

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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 7 August 2026.

Fri 27/1119:50 -

1 stop18h 40m

Tue 1/1212:15 -

1 stop10h 35m

Deal found 3/8£464

Wed 14/1020:50 -

1 stop18h 30m

Wed 20/110:00 -

1 stop11h 50m

Deal found 3/8£468

Fri 18/920:50 -

1 stop10h 05m

Sun 27/921:25 -

1 stop29h 20m

Deal found 5/8£469

Wed 30/917:40 -

2 stops34h 15m

Sat 3/1006:40 -

1 stop13h 55m

Deal found 6/8£470

Sun 29/1119:50 -

1 stop18h 40m

Tue 8/1220:35 -

1 stop26h 15m

Deal found 2/8£471

Mon 12/1020:50 -

1 stop10h 05m

Tue 20/1021:25 -

1 stop26h 25m

Deal found 3/8£472

Wed 14/1023:00 -

1 stop16h 20m

Mon 19/1021:25 -

1 stop26h 25m

Deal found 3/8£472

Sun 23/823:35 -

1 stop28h 35m

Wed 26/820:50 -

1 stop29h 55m

Deal found 2/8£473

Thu 1/1020:50 -

1 stop18h 30m

Thu 15/1009:50 -

1 stop10h 50m

Deal found 2/8£474

Wed 14/1020:50 -

1 stop10h 05m

Tue 20/1013:05 -

1 stop10h 45m

Deal found 5/8£475

Tue 29/920:50 -

1 stop10h 05m

Tue 13/1021:25 -

1 stop26h 25m

Deal found 2/8£475

Wed 23/922:55 -

1 stop29h 15m

Wed 30/909:55 -

1 stop16h 10m

Deal found 6/8£476

Best flights from New Hampshire to Heathrow
Discover carefully curated flight deals from New Hampshire to Heathrow that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 7 August 2026.

Sun 8/1117:35 -

2 stops18h 25m

Sun 15/1119:50 -

2 stops24h 50m

Deal found 6/8£505

Sat 26/921:30 -

Nonstop6h 45m

Mon 28/906:30 -

1 stop11h 49m

Deal found 6/8£542

Mon 9/1108:45 -

1 stop18h 40m

Wed 11/1106:50 -

2 stops21h 31m

Deal found 6/8£549

Thu 26/1120:00 -

Nonstop6h 50m

Wed 9/1206:30 -

1 stop12h 50m

Deal found 2/8£603

Fri 18/907:09 -

2 stops21h 11m

Fri 25/906:40 -

2 stops16h 42m

Deal found 4/8£685

Mon 31/817:23 -

1 stop11h 57m

Mon 7/920:25 -

2 stops25h 33m

Deal found 3/8£726

Sat 26/917:40 -

2 stops18h 20m

Wed 30/921:05 -

2 stops23h 30m

Deal found 6/8£519

Mon 16/1114:38 -

2 stops36h 27m

Thu 19/1106:50 -

2 stops22h 09m

Deal found 3/8£559

Sat 19/906:05 -

2 stops22h 30m

Fri 25/921:05 -

2 stops23h 30m

Deal found 6/8£542

Sat 14/1120:00 -

Nonstop6h 50m

Fri 27/1106:30 -

1 stop12h 43m

Deal found 4/8£605

Mon 14/917:40 -

2 stops14h 15m

Thu 24/906:40 -

1 stop13h 55m

Deal found 3/8£547

Tue 18/805:45 -

1 stop19h 45m

Tue 25/809:00 -

1 stop13h 40m

Deal found 3/8£602

Mon 24/819:10 -

Nonstop6h 35m

Sun 30/806:15 -

1 stop12h 24m

Deal found 4/8£605

Wed 9/1219:15 -

Nonstop6h 35m

Wed 23/1208:40 -

1 stop10h 40m

Deal found 4/8£605

Tue 22/917:40 -

2 stops15h 55m

Sat 26/910:20 -

2 stops17h 50m

Deal found 6/8£556

Fri 18/917:16 -

1 stop9h 34m

Fri 25/920:10 -

2 stops25h 39m

Deal found 4/8£754

Sun 20/914:49 -

1 stop10h 56m

Sun 27/909:55 -

2 stops29h 07m

Deal found 6/8£758

Wed 30/906:00 -

1 stop10h 25m

Wed 14/1006:50 -

2 stops17h 34m

Deal found 6/8£643

Tue 18/817:23 -

1 stop11h 57m

Tue 25/807:55 -

2 stops14h 03m

Deal found 6/8£774

Tue 15/911:00 -

1 stop14h 30m

Tue 22/908:40 -

1 stop11h 33m

Deal found 3/8£775

Wed 4/1110:50 -

1 stop14h 30m

Wed 11/1106:50 -

2 stops17h 12m

Deal found 4/8£643

Tue 10/1112:50 -

2 stops17h 50m

Tue 17/1108:40 -

2 stops19h 53m

Deal found 2/8£646

Mon 18/113:10 -

2 stops21h 50m

Sun 24/106:40 -

2 stops20h 45m

Deal found 4/8£595

Tue 10/1112:50 -

2 stops15h 10m

Tue 24/1110:00 -

2 stops18h 33m

Deal found 2/8£646

Tue 10/1114:05 -

2 stops14h 05m

Tue 24/1106:50 -

2 stops17h 12m

Deal found 6/8£646

Thu 27/814:49 -

1 stop10h 41m

Mon 31/808:40 -

1 stop14h 42m

Deal found 2/8£888

Thu 22/1014:50 -

1 stop11h 05m

Tue 27/1009:30 -

2 stops18h 29m

Deal found 1/8£684

Tue 1/915:45 -

1 stop10h 25m

Tue 8/920:10 -

1 stop18h 52m

Deal found 3/8£899

Wed 9/914:46 -

1 stop11h 09m

Wed 16/906:55 -

2 stops17h 05m

Deal found 2/8£686

Sun 13/914:46 -

1 stop11h 09m

Wed 23/906:50 -

2 stops17h 10m

Deal found 3/8£687

Find flight deals from New Hampshire to Heathrow

Round-trip from	£464
One-way from	£192
Popular in	June
Cheapest in	January
Average price	£507

Icelandair
27/11-1/12
2 total stops
29h 15m total
New Hampshire to London

Search Deals

Icelandair
7/9
1 total stop
10h 05m total
New Hampshire to London

Search Deals

Highest demand for flights based on searches. 23% potential increase in price (£115 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 4% potential price decrease (£17 potential savings vs. average return price).

Search Deals

Average for round-trip flights in August 2026

Search Deals

Cheapflights Fare Finder

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 Boston Logan Intl - LHR London Heathrow

BOSLHR

Boston Logan Intl

Sun 8/11

17:35-17:00

2 stops18h 25m

London Heathrow

Sun 15/11

19:50-15:40

2 stops24h 50m

£505

BostonLondon

BOS Boston Logan Intl - LHR London Heathrow

BOSLHR

Boston Logan Intl

Sat 26/9

17:40-17:00

2 stops18h 20m

London Heathrow

Wed 30/9

21:05-15:35

2 stops23h 30m

£519

BostonLondon

BOS Boston Logan Intl - LHR London Heathrow

BOSLHR

Boston Logan Intl

Sat 26/9

21:30-09:15

Nonstop6h 45m

London Heathrow

Mon 28/9

06:30-13:19

1 stop11h 49m

£542

BostonLondon

BOS Boston Logan Intl - LHR London Heathrow

BOSLHR

Boston Logan Intl

Sat 19/9

06:05-09:35

2 stops22h 30m

London Heathrow

Fri 25/9

21:05-15:35

2 stops23h 30m

£542

BostonLondon

BOS Boston Logan Intl - LHR London Heathrow

BOSLHR

Boston Logan Intl

Mon 14/9

17:40-12:55

2 stops14h 15m

London Heathrow

Thu 24/9

06:40-15:35

1 stop13h 55m

£547

PortlandLondon

PWM Portland - LHR London Heathrow

PWMLHR

Portland

Mon 9/11

08:45-08:25

1 stop18h 40m

London Heathrow

Wed 11/11

06:50-23:21

2 stops21h 31m

£549

BostonLondon

BOS Boston Logan Intl - LHR London Heathrow

BOSLHR

Boston Logan Intl

Tue 22/9

17:40-14:35

2 stops15h 55m

London Heathrow

Sat 26/9

10:20-23:10

2 stops17h 50m

£556

ManchesterLondon

MHT Manchester - LHR London Heathrow

MHTLHR

Manchester

Mon 16/11

14:38-08:05

2 stops36h 27m

London Heathrow

Thu 19/11

06:50-23:59

2 stops22h 09m

£559

BostonLondon

BOS Boston Logan Intl - LHR London Heathrow

BOSLHR

Boston Logan Intl

Mon 18/1

13:10-16:00

2 stops21h 50m

London Heathrow

Sun 24/1

06:40-22:25

2 stops20h 45m

£595

BostonLondon

BOS Boston Logan Intl - LHR London Heathrow

BOSLHR

Boston Logan Intl

Tue 18/8

05:45-06:30

1 stop19h 45m

London Heathrow

Tue 25/8

09:00-17:40

1 stop13h 40m

£602

Flights are sorted by cheapest return flights first.

Deals found on 2/8

Showing 1-10 of 60 resultsSorted by cheapest first

...

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.

BOS-LHR

PWM-LHR

LEB-LHR

ORH-LHR

MHT-LHR

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

USNH-LHR

BOS-LHR

PWM-LHR

LEB-LHR

ORH-LHR

No data available for this route at this time. Please check back soon.

Related info for your journey

How long is the flight from New Hampshire to London Heathrow Airport?
Scandinavian Airlines, United Airlines, 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 12h. 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

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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.

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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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Cheap flights from New Hampshire to London Heathrow Airport from £192

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 7/9. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from New Hampshire to Heathrow

Cheapest flights from New Hampshire to HeathrowExplore 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 7 August 2026.

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 7 August 2026.

Best flights from New Hampshire to HeathrowDiscover carefully curated flight deals from New Hampshire to Heathrow that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 7 August 2026.

Discover carefully curated flight deals from New Hampshire to Heathrow that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 7 August 2026.

Direct flights from New Hampshire to HeathrowExplore direct flight options from New Hampshire to Heathrow based on user searches, and compare prices and availability for your desired travel dates. Data last updated 7 August 2026.

Explore direct flight options from New Hampshire to Heathrow based on user searches, and compare prices and availability for your desired travel dates. Data last updated 7 August 2026.

Last-minute flights from New Hampshire to HeathrowDiscover last-minute flight deals from New Hampshire to Heathrow. Data last updated 7 August 2026 and is based on user searches.

Discover last-minute flight deals from New Hampshire to Heathrow. Data last updated 7 August 2026 and is based on user searches.

One-way flights from New Hampshire to HeathrowSearch for one-way flight options from New Hampshire to Heathrow. Find affordable one-way fares based on user searches. Data last updated 7 August 2026.

Search for one-way flight options from New Hampshire to Heathrow. Find affordable one-way fares based on user searches. Data last updated 7 August 2026.

Find flight deals from New Hampshire to Heathrow

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Best time to book a flight from New Hampshire to Heathrow

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Related info for your journey

How long is the flight from New Hampshire to London Heathrow Airport?

What are the most popular routes from New Hampshire to London Heathrow Airport?

Can I find deals for flights from New Hampshire to Heathrow that include hotel bookings?

How can I find direct flights from New Hampshire to Heathrow?

Can I find deals for business class flights from New Hampshire to Heathrow?

Travelling to a place near London Heathrow Airport?

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.

Complete your trip

Complete your trip to Heathrow by adding a car hire and/or hotel booking to your travel itinerary.

Direct flights to England

Book a non-stop flight to one of these other cities located in England.

Search flights from New Hampshire to Heathrow by cabin class

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Other flights to Heathrow

Explore flights to Heathrow departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 7 August 2026.

New Hampshire and Heathrow flights

Browse other New Hampshire and Heathrow flight options. Last updated on 7 August 2026.

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

Why should you use Cheapflights to find cheap flight tickets from New Hampshire to Heathrow?

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

Can Cheapflights notify me if prices for flights from New Hampshire to Heathrow become cheaper?

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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 7 August 2026.

Best flights from New Hampshire to Heathrow
Discover carefully curated flight deals from New Hampshire to Heathrow that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 7 August 2026.

Direct flights from New Hampshire to Heathrow
Explore direct flight options from New Hampshire to Heathrow based on user searches, and compare prices and availability for your desired travel dates. Data last updated 7 August 2026.

Last-minute flights from New Hampshire to Heathrow
Discover last-minute flight deals from New Hampshire to Heathrow. Data last updated 7 August 2026 and is based on user searches.

One-way flights from New Hampshire to Heathrow
Search for one-way flight options from New Hampshire to Heathrow. Find affordable one-way fares based on user searches. Data last updated 7 August 2026.