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

United Airlines, LEVEL, 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?

As of April 2026, 205 flights take off from London Heathrow Airport and land in New Hampshire each week. The most common flight departure day for this route is Mon, with 15% of weekly flights taking off on this day.

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

There are 16 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 offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify 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 travel and health documents you'll need for your trip to New Hampshire may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at New Hampshire. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

£345 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 return flights

Enter your travel dates to find the best prices.

20:50 - 21:05

LHR

BOS

29h 15m

1 stop

22:50 - 09:10

BOS

LHR

29h 20m

1 stop

£409LEVEL

Mon, 18 May - Tue, 26 May

20:50 - 21:05

LHR

BOS

29h 15m

1 stop

22:50 - 09:10

BOS

LHR

29h 20m

1 stop

£410LEVEL

Mon, 18 May - Tue, 26 May

14:30 - 16:55

LHR

BOS

7h 25mdirect

21:50 - 09:35

BOS

LHR

6h 45mdirect

£414British Airways

Fri, 29 May - Tue, 2 Jun

20:10 - 22:35

LHR

BOS

7h 25mdirect

21:50 - 09:35

BOS

LHR

6h 45mdirect

£415British Airways

Sat, 30 May - Tue, 2 Jun

11:45 - 19:38

LHR

BOS

12h 53m

1 stop

19:00 - 06:45

BOS

LHR

6h 45mdirect

£416Delta

Sun, 3 May - Fri, 22 May

11:45 - 19:03

LHR

BOS

12h 18m

1 stop

13:29 - 08:50

BOS

LHR

14h 21m

1 stop

£423Delta

Sat, 30 May - Tue, 2 Jun

11:55 - 23:52

LHR

PWM

16h 57m

1 stop

06:00 - 20:45

PWM

LHR

9h 45m

1 stop

£562JetBlue

Wed, 16 Sep - Mon, 21 Sep

11:55 - 23:52

LHR

PWM

16h 57m

1 stop

06:00 - 20:45

PWM

LHR

9h 45m

1 stop

£580JetBlue

Wed, 16 Sep - Tue, 22 Sep

12:15 - 18:56

LHR

MHT

11h 41m

1 stop

14:36 - 10:40

MHT

LHR

15h 04m

1 stop

£639United Airlines

Wed, 6 May - Wed, 13 May

17:50 - 14:08

LHR

MHT

49h 18m

2 stops

14:43 - 10:40

MHT

LHR

14h 57m

1 stop

£710United Airlines

Thu, 24 Sep - Mon, 28 Sep

LEVEL flights from London Heathrow Airport to New Hampshire

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

LEVEL

18 May

LHR20:50London Heathrow

29h 15m

1 stop

BOS21:05Boston Logan Intl

26 May

BOS22:50Boston Logan Intl

29h 20m

1 stop

LHR09:10London Heathrow

£409

LEVEL

18 May

LHR20:50London Heathrow

29h 15m

1 stop

BOS21:05Boston Logan Intl

26 May

BOS22:50Boston Logan Intl

29h 20m

1 stop

LHR09:10London Heathrow

£410

LEVEL

19 May

LHR20:50London Heathrow

29h 15m

1 stop

BOS21:05Boston Logan Intl

8 Jul

BOS23:00Boston Logan Intl

16h 05m

1 stop

LHR20:05London Heathrow

£411

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

29 May

LHR14:30London Heathrow

7h 25m

BOS16:55Boston Logan Intl

2 Jun

BOS21:50Boston Logan Intl

6h 45m

LHR09:35London Heathrow

£414

British Airways

30 May

LHR20:10London Heathrow

7h 25m

BOS22:35Boston Logan Intl

2 Jun

BOS21:50Boston Logan Intl

6h 45m

LHR09:35London Heathrow

£415

British Airways

13 May

LHR20:10London Heathrow

7h 25m

BOS22:35Boston Logan Intl

24 May

BOS21:55Boston Logan Intl

6h 45m

LHR09:40London Heathrow

£417

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 return flight

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Mon 18/5

20:50-21:05

1 stop29h 15m

Boston Logan Intl

Tue 26/5

22:50-09:10

1 stop29h 20m

£409

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Mon 18/5

20:50-21:05

1 stop29h 15m

Boston Logan Intl

Tue 26/5

22:50-09:10

1 stop29h 20m

£410

Fastest return journey

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Fri 29/5

14:30-16:55

Nonstop7h 25m

Boston Logan Intl

Tue 2/6

21:50-09:35

Nonstop6h 45m

£414

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Sat 30/5

20:10-22:35

Nonstop7h 25m

Boston Logan Intl

Tue 2/6

21:50-09:35

Nonstop6h 45m

£415

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Sun 3/5

11:45-19:38

1 stop12h 53m

Boston Logan Intl

Fri 22/5

19:00-06:45

Nonstop6h 45m

£416

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Sat 30/5

11:45-19:03

1 stop12h 18m

Boston Logan Intl

Tue 2/6

13:29-08:50

1 stop14h 21m

£423

LondonPortland

LHR - PWM

LHRPWM

London Heathrow

Wed 16/9

11:55-23:52

1 stop16h 57m

Portland

Mon 21/9

06:00-20:45

1 stop9h 45m

£562

LondonPortland

LHR - PWM

LHRPWM

London Heathrow

Wed 16/9

11:55-23:52

1 stop16h 57m

Portland

Tue 22/9

06:00-20:45

1 stop9h 45m

£580

LondonManchester

LHR - MHT

LHRMHT

London Heathrow

Wed 6/5

12:15-18:56

1 stop11h 41m

Manchester

Wed 13/5

14:36-10:40

1 stop15h 04m

£639

LondonManchester

LHR - MHT

LHRMHT

London Heathrow

Thu 24/9

17:50-14:08

2 stops49h 18m

Manchester

Mon 28/9

14:43-10:40

1 stop14h 57m

£710

Flights are sorted by cheapest return 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 September is, on average, the cheapest month to fly to New Hampshire from London Heathrow Airport, with most prices found around £400. If you’re not able to fly to New Hampshire in September, then February is your next best option. Flight prices from London Heathrow Airport to New Hampshire during February average around £412.

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

On average, the least expensive day to fly to New Hampshire from London Heathrow Airport is on a Wednesday. momondo users have found tickets for Wednesday departures for as low as £515. However, this price may fluctuate depending on the airline, the season, and holidays. The most expensive day to fly to New Hampshire is Sunday, with ticket prices averaging around £575.

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

Our most recent data shows that the best time of day to fly to New Hampshire is in the afternoon. Flights from London Heathrow Airport to New Hampshire during this time can be as low as £506. Flights in the evening are often more expensive, with an average ticket price of £680.

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 £475 when searching weeks before you fly. 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 £416 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 16 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 offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify 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 travel and health documents you'll need for your trip to New Hampshire may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at New Hampshire. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to New Hampshire from London.

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

Yes. All flights to New Hampshire from London on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

Once you have performed a search for London to New Hampshire flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

Of course. momondo tracks the price of London to New Hampshire flights. All you need is a valid email address and we will do the rest; it is that quick and easy.