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

SWISS, Austrian Airlines, and Air Canada 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 March 2026, 202 flights take off from London Heathrow Airport and land in New Hampshire each week. The most common flight departure day for this route is Sat, with 16% 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 March 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.

£291 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.

19:10 - 22:55

LHR

BOS

7h 45mdirect

19:30 - 07:05

BOS

LHR

6h 35mdirect

£347British Airways

Mon, 16 Mar - Sun, 5 Apr

12:15 - 18:50

LHR

BOS

10h 35m

1 stop

12:35 - 10:50

BOS

LHR

18h 15m

1 stop

£348Icelandair

Thu, 12 Mar - Thu, 19 Mar

12:15 - 18:50

LHR

BOS

10h 35m

1 stop

20:50 - 10:50

BOS

LHR

10h 00m

1 stop

£353Icelandair

Wed, 18 Mar - Wed, 25 Mar

20:35 - 11:35

LHR

BOS

19h 00m

1 stop

20:50 - 19:30

BOS

LHR

18h 40m

1 stop

£355Icelandair

Wed, 11 Mar - Tue, 17 Mar

10:50 - 19:50

LHR

BOS

14h 00m

1 stop

17:40 - 09:30

BOS

LHR

10h 50m

1 stop

£360Iberia

Wed, 20 May - Sat, 30 May

20:25 - 19:55

LHR

BOS

27h 30m

1 stop

20:10 - 06:50

BOS

LHR

6h 40mdirect

£361Virgin Atlantic

Thu, 12 Mar - Sun, 15 Mar

11:55 - 22:59

LHR

PWM

16h 04m

1 stop

07:30 - 20:45

PWM

LHR

32h 15m

1 stop

£493JetBlue

Wed, 15 Apr - Wed, 22 Apr

08:15 - 22:59

LHR

PWM

19h 44m

1 stop

07:30 - 09:30

PWM

LHR

21h 00m

1 stop

£517JetBlue

Tue, 14 Apr - Tue, 21 Apr

12:10 - 13:55

LHR

MHT

54h 45m

2 stops

19:31 - 10:40

MHT

LHR

10h 09m

1 stop

£574United Airlines

Tue, 14 Apr - Tue, 21 Apr

12:10 - 23:28

LHR

PWM

16h 18m

2 stops

11:09 - 06:55

PWM

LHR

14h 46m

2 stops

£576United Airlines

Mon, 13 Apr - Mon, 20 Apr

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

15 Apr

LHR17:35London Heathrow

7h 30m

BOS20:05Boston Logan Intl

27 Apr

BOS21:50Boston Logan Intl

6h 45m

LHR09:35London Heathrow

£363

British Airways

4 Mar

LHR09:15London Heathrow

15h 35m

1 stop

BOS19:50Boston Logan Intl

10 Mar

BOS20:10Boston Logan Intl

6h 50m

LHR07:00London Heathrow

£372

British Airways

11 Mar

LHR09:15London Heathrow

15h 35m

1 stop

BOS20:50Boston Logan Intl

16 Mar

BOS15:49Boston Logan Intl

10h 26m

1 stop

LHR06:15London Heathrow

£382

Iberia flights from London Heathrow Airport to New Hampshire

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

Iberia

11 Mar

LHR13:30London Heathrow

7h 40m

BOS17:10Boston Logan Intl

18 Mar

BOS20:10Boston Logan Intl

6h 50m

LHR07:00London Heathrow

£371

Iberia

18 Mar

LHR13:30London Heathrow

7h 40m

BOS17:10Boston Logan Intl

24 Mar

BOS15:49Boston Logan Intl

10h 31m

1 stop

LHR06:20London Heathrow

£372

Iberia

9 Mar

LHR11:25London Heathrow

13h 25m

1 stop

BOS20:50Boston Logan Intl

16 Mar

BOS15:49Boston Logan Intl

13h 51m

1 stop

LHR09:40London Heathrow

£387

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

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Mon 16/3

19:10-22:55

Nonstop7h 45m

Boston Logan Intl

Sun 5/4

19:30-07:05

Nonstop6h 35m

£347

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Thu 12/3

12:15-18:50

1 stop10h 35m

Boston Logan Intl

Thu 19/3

12:35-10:50

1 stop18h 15m

£348

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Wed 18/3

12:15-18:50

1 stop10h 35m

Boston Logan Intl

Wed 25/3

20:50-10:50

1 stop10h 00m

£353

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Wed 11/3

20:35-11:35

1 stop19h 00m

Boston Logan Intl

Tue 17/3

20:50-19:30

1 stop18h 40m

£355

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Wed 20/5

10:50-19:50

1 stop14h 00m

Boston Logan Intl

Sat 30/5

17:40-09:30

1 stop10h 50m

£360

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Thu 12/3

20:25-19:55

1 stop27h 30m

Boston Logan Intl

Sun 15/3

20:10-06:50

Nonstop6h 40m

£361

LondonPortland

LHR - PWM

LHRPWM

London Heathrow

Wed 15/4

11:55-22:59

1 stop16h 04m

Portland

Wed 22/4

07:30-20:45

1 stop32h 15m

£493

LondonPortland

LHR - PWM

LHRPWM

London Heathrow

Tue 14/4

08:15-22:59

1 stop19h 44m

Portland

Tue 21/4

07:30-09:30

1 stop21h 00m

£517

LondonManchester

LHR - MHT

LHRMHT

London Heathrow

Tue 14/4

12:10-13:55

2 stops54h 45m

Manchester

Tue 21/4

19:31-10:40

1 stop10h 09m

£574

LondonPortland

LHR - PWM

LHRPWM

London Heathrow

Mon 13/4

12:10-23:28

2 stops16h 18m

Portland

Mon 20/4

11:09-06:55

2 stops14h 46m

£576

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 £402. If you’re not able to fly to New Hampshire in September, then October is your next best option. Flight prices from London Heathrow Airport to New Hampshire during October average around £417.

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 Thursday. momondo users have found tickets for Thursday departures for as low as £508. 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 £500. Flights in the evening are often more expensive, with an average ticket price of £686.

How far in advance should I book a flight 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 £470 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 £421 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).

Search flight deals

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 March 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.

Best airlines flying from London Heathrow Airport to New Hampshire

Compare and see reviews for airlines that fly from London Heathrow Airport to New Hampshire with momondo

Airline	Rating	Free Cancellation	Price
Icelandair	PriceFrom £757	Free Cancellation	Rating 7.1 617 reviews		Search Icelandair flights

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.