What is the cheapest airline that flies from London Heathrow to New Hampshire?

United Airlines, Icelandair, and SWISS are the most popular carriers operating from London Heathrow to New Hampshire

How many flights depart from London Heathrow Airport to New Hampshire on average per week?

The number of flights available between London Heathrow Airport and New Hampshire is 205 per week as of April 2026. The most frequent departure day is Mon, with 15% of weekly flights leaving on this day.

How many operators does momondo search for flights from London Heathrow Airport to New Hampshire?

There are 10 operators available for flights from London Heathrow Airport to New Hampshire as of April 2026.

How old do you have to be to fly from London Heathrow Airport to New Hampshire?

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from London Heathrow Airport to New Hampshire.

What documentation or ID do you need to fly to New Hampshire?

The required travel and health documents for your New Hampshire trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at New Hampshire. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$466 Cheap Flights from London Heathrow Airport to New Hampshire in 2026

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Find the cheapest flights from London Heathrow Airport to New Hampshire

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

8:50 pm - 9:05 pm

LHR

BOS

29h 15m

1 stop

10:50 pm - 9:10 am

BOS

LHR

29h 20m

1 stop

$553LEVEL

Mon, May 18 - Tue, May 26

8:50 pm - 9:05 pm

LHR

BOS

29h 15m

1 stop

10:50 pm - 9:10 am

BOS

LHR

29h 20m

1 stop

$554LEVEL

Mon, May 18 - Tue, May 26

5:35 pm - 8:05 pm

LHR

BOS

7h 30mnonstop

7:25 am - 6:55 pm

BOS

LHR

6h 30mnonstop

$560British Airways

Sat, Sep 5 - Mon, Sep 7

11:45 am - 7:38 pm

LHR

BOS

12h 53m

1 stop

7:00 pm - 6:45 am

BOS

LHR

6h 45mnonstop

$562Delta

Sun, May 3 - Fri, May 22

8:10 pm - 10:35 pm

LHR

BOS

7h 25mnonstop

9:55 pm - 9:40 am

BOS

LHR

6h 45mnonstop

$563British Airways

Wed, May 13 - Sun, May 24

4:20 pm - 11:37 pm

LHR

BOS

12h 17m

1 stop

7:00 pm - 6:45 am

BOS

LHR

6h 45mnonstop

$575Delta

Fri, May 15 - Fri, May 22

11:55 am - 11:52 pm

LHR

PWM

16h 57m

1 stop

6:00 am - 8:45 pm

PWM

LHR

9h 45m

1 stop

$760JetBlue

Wed, Sep 16 - Mon, Sep 21

11:55 am - 11:52 pm

LHR

PWM

16h 57m

1 stop

6:00 am - 8:45 pm

PWM

LHR

9h 45m

1 stop

$784JetBlue

Wed, Sep 16 - Tue, Sep 22

12:15 pm - 6:56 pm

LHR

MHT

11h 41m

1 stop

2:36 pm - 10:40 am

MHT

LHR

15h 04m

1 stop

$864United Airlines

Wed, May 6 - Wed, May 13

5:50 pm - 2:08 pm

LHR

MHT

49h 18m

2 stops

2:43 pm - 10:40 am

MHT

LHR

14h 57m

1 stop

$959United Airlines

Thu, Sep 24 - Mon, Sep 28

LEVEL flights from London Heathrow Airport to New Hampshire

Our best LEVEL deals on London Heathrow Airport to New Hampshire flight tickets

LEVEL

May 18

LHR8:50 pmLondon Heathrow

29h 15m

1 stop

BOS9:05 pmBoston Logan Intl

May 26

BOS10:50 pmBoston Logan Intl

29h 20m

1 stop

LHR9:10 amLondon Heathrow

$553

LEVEL

May 18

LHR8:50 pmLondon Heathrow

29h 15m

1 stop

BOS9:05 pmBoston Logan Intl

May 26

BOS10:50 pmBoston Logan Intl

29h 20m

1 stop

LHR9:10 amLondon Heathrow

$554

LEVEL

May 19

LHR8:50 pmLondon Heathrow

29h 15m

1 stop

BOS9:05 pmBoston Logan Intl

Jul 8

BOS11:00 pmBoston Logan Intl

16h 05m

1 stop

LHR8:05 pmLondon Heathrow

$555

British Airways flights from London Heathrow Airport to New Hampshire

Our best British Airways deals on London Heathrow Airport to New Hampshire flight tickets

British Airways

Sep 5

LHR5:35 pmLondon Heathrow

7h 30m

BOS8:05 pmBoston Logan Intl

Sep 7

BOS7:25 amBoston Logan Intl

6h 30m

LHR6:55 pmLondon Heathrow

$560

British Airways

May 13

LHR8:10 pmLondon Heathrow

7h 25m

BOS10:35 pmBoston Logan Intl

May 24

BOS9:55 pmBoston Logan Intl

6h 45m

LHR9:40 amLondon Heathrow

$563

British Airways

May 16

LHR5:35 pmLondon Heathrow

7h 30m

BOS8:05 pmBoston Logan Intl

May 26

BOS7:25 amBoston Logan Intl

6h 30m

LHR6:55 pmLondon Heathrow

$564

momondo Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Mon 5/18

8:50 pm-9:05 pm

1 stop29h 15m

Boston Logan Intl

Tue 5/26

10:50 pm-9:10 am

1 stop29h 20m

$553

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Mon 5/18

8:50 pm-9:05 pm

1 stop29h 15m

Boston Logan Intl

Tue 5/26

10:50 pm-9:10 am

1 stop29h 20m

$554

Quickest round-trip

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Sat 9/5

5:35 pm-8:05 pm

Nonstop7h 30m

Boston Logan Intl

Mon 9/7

7:25 am-6:55 pm

Nonstop6h 30m

$560

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Sun 5/3

11:45 am-7:38 pm

1 stop12h 53m

Boston Logan Intl

Fri 5/22

7:00 pm-6:45 am

Nonstop6h 45m

$562

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Wed 5/13

8:10 pm-10:35 pm

Nonstop7h 25m

Boston Logan Intl

Sun 5/24

9:55 pm-9:40 am

Nonstop6h 45m

$563

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Fri 5/15

4:20 pm-11:37 pm

1 stop12h 17m

Boston Logan Intl

Fri 5/22

7:00 pm-6:45 am

Nonstop6h 45m

$575

LondonPortland

LHR - PWM

LHRPWM

London Heathrow

Wed 9/16

11:55 am-11:52 pm

1 stop16h 57m

Portland

Mon 9/21

6:00 am-8:45 pm

1 stop9h 45m

$760

LondonPortland

LHR - PWM

LHRPWM

London Heathrow

Wed 9/16

11:55 am-11:52 pm

1 stop16h 57m

Portland

Tue 9/22

6:00 am-8:45 pm

1 stop9h 45m

$784

LondonManchester

LHR - MHT

LHRMHT

London Heathrow

Wed 5/6

12:15 pm-6:56 pm

1 stop11h 41m

Manchester

Wed 5/13

2:36 pm-10:40 am

1 stop15h 04m

$864

LondonManchester

LHR - MHT

LHRMHT

London Heathrow

Thu 9/24

5:50 pm-2:08 pm

2 stops49h 18m

Manchester

Mon 9/28

2:43 pm-10:40 am

1 stop14h 57m

$959

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from London Heathrow Airport to New Hampshire

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Other information

What is the cheapest month to fly to New Hampshire?

The month of February is another great option to travel to New Hampshire, with average flight prices from London Heathrow Airport averaging around $557.

What is the cheapest day to depart on your flight to New Hampshire?

The cheapest day to depart on your flight to New Hampshire is on a Wednesday when prices can be found for as low as $675. This is often the case because there is less demand to fly during this day of the week. The most expensive day to fly to New Hampshire is Sunday, with ticket prices averaging around $786.

What is the cheapest time of day to depart on your flight to New Hampshire?

According to our data, the cheapest time of day to fly to New Hampshire is at noon. momondo users have found flights departing from London Heathrow Airport to New Hampshire at noon for as low as $703. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Try not to purchase tickets in the evening because they tend to be around $861. Of course, these prices can vary depending on the time of year and what airport you fly to.

How far in advance should I book a flight from London Heathrow Airport to New Hampshire?

You are more likely to see cheaper flights to New Hampshire from London Heathrow Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to New Hampshire for around $641 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to New Hampshire from London Heathrow Airport for as low as $562 on momondo.

Cheap London Heathrow Airport to New Hampshire flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from London Heathrow Airport to New Hampshire

Fastest flight time	7h 25m
Direct flights	Every day
Airports in New Hampshire	52 airports

The fastest flight from London Heathrow Airport to New Hampshire takes 7h 25m

Direct flights go from London Heathrow Airport to New Hampshire every day.

There are 52 airports in New Hampshire. From London Heathrow Airport there are direct flights to Boston Logan Intl (BOS).

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Frequently asked questions about flying from London Heathrow Airport to New Hampshire

When did momondo last update prices for flights from London Heathrow Airport to New Hampshire?
Prices for flights from London Heathrow Airport to New Hampshire refresh daily.
How many operators does momondo search for flights from London Heathrow Airport to New Hampshire?
There are 10 operators available for flights from London Heathrow Airport to New Hampshire as of April 2026.
How old do you have to be to fly from London Heathrow Airport to New Hampshire?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from London Heathrow Airport to New Hampshire.
What documentation or ID do you need to fly to New Hampshire?
The required travel and health documents for your New Hampshire trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at New Hampshire. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Why use momondo?

Why should I use momondo to find a flight deal from London to New Hampshire?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from London to New Hampshire. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from London to New Hampshire with flexible booking policies on momondo?

Flights from London to New Hampshire with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from London to New Hampshire?

Once all potential London to New Hampshire flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from London to New Hampshire right now. Can momondo alert me if prices change?

If you are simply researching potential flights to New Hampshire, momondo offers a useful price alert feature which will track prices for flights to New Hampshire from London and alert you when they change.