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

Lufthansa, SWISS, and British Airways 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 217 per week as of January 2026. The most frequent departure day is Mon, 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 January 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.

£287 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.

08:45 - 18:35

LHR

BOS

14h 50m

1 stop

18:40 - 20:35

BOS

LHR

20h 55m

1 stop

£356Multiple Airlines

Fri, 13 Feb - Mon, 16 Feb

16:35 - 14:45

LGW

BOS

27h 10m

1 stop

18:05 - 20:35

BOS

LGW

21h 30m

2 stops

£356TAP AIR PORTUGAL

Mon, 16 Feb - Mon, 23 Feb

20:35 - 18:50

LHR

BOS

26h 15m

1 stop

23:00 - 11:55

BOS

LHR

31h 55m

1 stop

£357Icelandair

Wed, 25 Mar - Mon, 6 Apr

07:30 - 16:22

LHR

BOS

13h 52m

2 stops

06:00 - 21:35

BOS

LHR

10h 35m

1 stop

£357United Airlines

Fri, 17 Apr - Sun, 26 Apr

15:40 - 21:45

LGW

BOS

11h 05m

1 stop

20:50 - 11:45

BOS

LGW

9h 55m

1 stop

£358Icelandair

Wed, 13 May - Wed, 20 May

13:30 - 21:20

LCY

BOS

11h 50m

1 stop

22:50 - 12:55

BOS

LCY

10h 05m

1 stop

£358SWISS

Thu, 12 Mar - Wed, 18 Mar

06:00 - 17:57

LHR

BOS

16h 57m

2 stops

10:35 - 06:35

BOS

LHR

15h 00m

2 stops

£358Air Canada

Thu, 23 Apr - Thu, 7 May

09:00 - 17:50

LHR

BOS

13h 50m

1 stop

18:40 - 20:35

BOS

LHR

20h 55m

1 stop

£359Air Canada

Sat, 7 Feb - Sun, 22 Feb

10:30 - 13:35

LHR

BOS

32h 05m

1 stop

18:40 - 20:35

BOS

LHR

20h 55m

1 stop

£360United Airlines

Sat, 14 Feb - Sat, 21 Feb

07:00 - 20:20

LHR

BOS

18h 20m

2 stops

21:50 - 13:00

BOS

LHR

10h 10m

1 stop

£362SWISS

Wed, 11 Feb - Tue, 24 Feb

TAP AIR PORTUGAL flights from London to New Hampshire

Our best TAP AIR PORTUGAL deals on London to New Hampshire flight tickets

TAP AIR PORTUGAL

16 Feb

LGW16:35London Gatwick

27h 10m

1 stop

BOS14:45Boston Logan Intl

23 Feb

BOS18:05Boston Logan Intl

21h 30m

2 stops

LGW20:35London Gatwick

£356

TAP AIR PORTUGAL

12 Mar

LGW10:10London Gatwick

15h 00m

2 stops

BOS21:10Boston Logan Intl

19 Mar

BOS23:45Boston Logan Intl

16h 55m

2 stops

LGW20:40London Gatwick

£357

TAP AIR PORTUGAL

2 Apr

LGW10:35London Gatwick

15h 10m

1 stop

BOS20:45Boston Logan Intl

6 Apr

BOS22:30Boston Logan Intl

16h 55m

1 stop

LGW20:25London Gatwick

£359

British Airways flights from London to New Hampshire

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

British Airways

10 Feb

LHR07:50London Heathrow

11h 05m

1 stop

BOS13:55Boston Logan Intl

16 Feb

BOS18:55Boston Logan Intl

6h 35m

LHR06:30London Heathrow

£357

British Airways

2 Feb

LHR08:50London Heathrow

10h 05m

1 stop

BOS13:55Boston Logan Intl

9 Feb

BOS19:34Boston Logan Intl

9h 06m

1 stop

LHR09:40London Heathrow

£359

British Airways

24 Feb

LHR13:30London Heathrow

7h 45m

BOS16:15Boston Logan Intl

3 Mar

BOS21:35Boston Logan Intl

6h 40m

LHR09:15London Heathrow

£363

Fly from

Fly to

Route

Depart

Return

Price

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Fri 13/2

08:45-18:35

1 stop14h 50m

Boston Logan Intl

Mon 16/2

18:40-20:35

1 stop20h 55m

£356

LondonBoston

LGW - BOS

LGWBOS

London Gatwick

Mon 16/2

16:35-14:45

1 stop27h 10m

Boston Logan Intl

Mon 23/2

18:05-20:35

2 stops21h 30m

£356

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Wed 25/3

20:35-18:50

1 stop26h 15m

Boston Logan Intl

Mon 6/4

23:00-11:55

1 stop31h 55m

£357

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Fri 17/4

07:30-16:22

2 stops13h 52m

Boston Logan Intl

Sun 26/4

06:00-21:35

1 stop10h 35m

£357

LondonBoston

LGW - BOS

LGWBOS

London Gatwick

Wed 13/5

15:40-21:45

1 stop11h 05m

Boston Logan Intl

Wed 20/5

20:50-11:45

1 stop9h 55m

£358

LondonBoston

LCY - BOS

LCYBOS

London City

Thu 12/3

13:30-21:20

1 stop11h 50m

Boston Logan Intl

Wed 18/3

22:50-12:55

1 stop10h 05m

£358

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Thu 23/4

06:00-17:57

2 stops16h 57m

Boston Logan Intl

Thu 7/5

10:35-06:35

2 stops15h 00m

£358

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Sat 7/2

09:00-17:50

1 stop13h 50m

Boston Logan Intl

Sun 22/2

18:40-20:35

1 stop20h 55m

£359

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Sat 14/2

10:30-13:35

1 stop32h 05m

Boston Logan Intl

Sat 21/2

18:40-20:35

1 stop20h 55m

£360

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Wed 11/2

07:00-20:20

2 stops18h 20m

Boston Logan Intl

Tue 24/2

21:50-13:00

1 stop10h 10m

£362

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 £385. 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 £390.

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 £499. 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 £563.

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 at midday. Flights from London to New Hampshire during this time can be as low as £493. Flights in the evening are often more expensive, with an average ticket price of £671.

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 £459 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 £415 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 20m
Direct flights	Every day
Airports in New Hampshire	52 airports

The fastest flight from London to New Hampshire takes 7h 20m

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).

Search flight deals

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 January 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.

Best airlines flying from London to New Hampshire

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

Airline	Rating	Free Cancellation	Price
Icelandair	PriceFrom £748	Free Cancellation	Rating 7.1 603 reviews		Search Icelandair flights

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.