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

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

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

The number of flights available between London and New Hampshire is 233 per week as of April 2026. The most frequent departure day is Wed, with 15% of weekly flights leaving on this day.

When did momondo last update prices for flights from London to New Hampshire?

Prices for flights from London to New Hampshire are refreshed on a daily basis.

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

As of April 2026, there are 17 operators available to choose from for flights from London to New Hampshire.

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

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from London 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 to New Hampshire in 2026

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Find the cheapest flights from London to New Hampshire

Round-trip

One-way

Last minute

Direct

Cheap return flights

Enter your travel dates to find the best prices.

16:20 - 23:37

LHR

BOS

12h 17m

1 stop

17:25 - 10:20

BOS

LHR

11h 55m

1 stop

£398Delta

Tue, 26 May - Sat, 6 Jun

10:05 - 12:35

LHR

BOS

7h 30mdirect

12:01 - 06:25

BOS

LHR

13h 24m

1 stop

£400American Airlines

Tue, 2 Jun - Mon, 15 Jun

17:35 - 20:05

LHR

BOS

7h 30mdirect

07:25 - 18:55

BOS

LHR

6h 30mdirect

£400British Airways

Mon, 17 Aug - Mon, 24 Aug

20:10 - 22:35

LHR

BOS

7h 25mdirect

19:30 - 07:10

BOS

LHR

6h 40mdirect

£402British Airways

Sun, 10 May - Mon, 18 May

06:45 - 21:45

STN

BOS

20h 00m

2 stops

20:50 - 00:50

BOS

STN

23h 00m

2 stops

£409Multiple Airlines

Mon, 20 Apr - Mon, 27 Apr

08:15 - 21:45

STN

BOS

18h 30m

2 stops

20:50 - 22:25

BOS

STN

20h 35m

2 stops

£416Multiple Airlines

Thu, 30 Apr - Mon, 4 May

15:40 - 21:45

LGW

BOS

11h 05m

1 stop

23:00 - 14:40

BOS

LGW

10h 40m

1 stop

£419Icelandair

Fri, 28 Aug - Sun, 6 Sep

15:40 - 21:45

LGW

BOS

11h 05m

1 stop

20:50 - 11:45

BOS

LGW

9h 55m

1 stop

£428Icelandair

Thu, 21 May - Wed, 27 May

11:55 - 23:03

LHR

PWM

16h 08m

1 stop

07:30 - 20:45

PWM

LHR

32h 15m

1 stop

£474JetBlue

Sat, 2 May - Mon, 4 May

08:15 - 23:03

LHR

PWM

19h 48m

1 stop

07:20 - 09:30

PWM

LHR

21h 10m

1 stop

£508JetBlue

Fri, 8 May - Tue, 12 May

American Airlines flights from London to New Hampshire

Our best American Airlines deals on London to New Hampshire flight tickets

American Airlines

2 Jun

LHR10:05London Heathrow

7h 30m

BOS12:35Boston Logan Intl

15 Jun

BOS12:01Boston Logan Intl

13h 24m

1 stop

LHR06:25London Heathrow

£400

American Airlines

17 Aug

LHR10:05London Heathrow

7h 40m

BOS12:45Boston Logan Intl

31 Aug

BOS15:07Boston Logan Intl

14h 13m

1 stop

LHR10:20London Heathrow

£413

American Airlines

19 Aug

LHR12:30London Heathrow

14h 14m

1 stop

BOS21:44Boston Logan Intl

31 Aug

BOS19:21Boston Logan Intl

9h 59m

1 stop

LHR10:20London Heathrow

£416

Iberia flights from London to New Hampshire

Our best Iberia deals on London to New Hampshire flight tickets

Iberia

3 Aug

LHR11:30London Heathrow

13h 20m

1 stop

BOS19:50Boston Logan Intl

17 Aug

BOS21:20Boston Logan Intl

14h 00m

1 stop

LHR16:20London Heathrow

£412

Iberia

23 Apr

LCY09:35London City

11h 35m

1 stop

BOS16:10Boston Logan Intl

27 Apr

BOS17:40Boston Logan Intl

10h 30m

1 stop

LCY09:10London City

£616

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Tue 26/5

16:20-23:37

1 stop12h 17m

Boston Logan Intl

Sat 6/6

17:25-10:20

1 stop11h 55m

£398

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Tue 2/6

10:05-12:35

Nonstop7h 30m

Boston Logan Intl

Mon 15/6

12:01-06:25

1 stop13h 24m

£400

Fastest return journey

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Mon 17/8

17:35-20:05

Nonstop7h 30m

Boston Logan Intl

Mon 24/8

07:25-18:55

Nonstop6h 30m

£400

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Sun 10/5

20:10-22:35

Nonstop7h 25m

Boston Logan Intl

Mon 18/5

19:30-07:10

Nonstop6h 40m

£402

LondonBoston

STN - BOS

STNBOS

London Stansted

Mon 20/4

06:45-21:45

2 stops20h 00m

Boston Logan Intl

Mon 27/4

20:50-00:50

2 stops23h 00m

£409

LondonBoston

STN - BOS

STNBOS

London Stansted

Thu 30/4

08:15-21:45

2 stops18h 30m

Boston Logan Intl

Mon 4/5

20:50-22:25

2 stops20h 35m

£416

LondonBoston

LGW - BOS

LGWBOS

London Gatwick

Fri 28/8

15:40-21:45

1 stop11h 05m

Boston Logan Intl

Sun 6/9

23:00-14:40

1 stop10h 40m

£419

LondonBoston

LGW - BOS

LGWBOS

London Gatwick

Thu 21/5

15:40-21:45

1 stop11h 05m

Boston Logan Intl

Wed 27/5

20:50-11:45

1 stop9h 55m

£428

LondonPortland

LHR - PWM

LHRPWM

London Heathrow

Sat 2/5

11:55-23:03

1 stop16h 08m

Portland

Mon 4/5

07:30-20:45

1 stop32h 15m

£474

LondonPortland

LHR - PWM

LHRPWM

London Heathrow

Fri 8/5

08:15-23:03

1 stop19h 48m

Portland

Tue 12/5

07:20-09:30

1 stop21h 10m

£508

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 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, with most prices found around £391. If you’re not able to fly to New Hampshire in September, then February is your next best option. Flight prices from London to New Hampshire during February average around £405.

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 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 £583.

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 to New Hampshire during this time can be as low as £502. 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 when booking weeks ahead of your departure date. In general, you can expect to find flights to New Hampshire for around £476 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 for as low as £419 on momondo.

Can stopping save me money on London to New Hampshire flights?

You could potentially save up to 81% on your flight if you consider stops on a London to New Hampshire flight.

Cheap London to New Hampshire flight deals and tips

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

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

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

Direct flights go from London to New Hampshire every day.

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

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Frequently asked questions about flying from London to New Hampshire

When did momondo last update prices for flights from London to New Hampshire?
Prices for flights from London to New Hampshire are refreshed on a daily basis.
How many operators does momondo search for flights from London to New Hampshire?
As of April 2026, there are 17 operators available to choose from for flights from London to New Hampshire.
How old do you have to be to fly from London to New Hampshire?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from London 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?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from London to New Hampshire. momondo saves you time and could save you money on your trip.

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?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from London to New Hampshire.

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.