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

British Airways, United Airlines, and JetBlue 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 197 per week as of September 2026. The most frequent departure day is Wed, with 17% 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 September 2026, there are 16 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.

£341 Cheap Flights from London to New Hampshire in 2026

Find the cheapest flights from London to New Hampshire

Return

One-way

Last minute

Direct

Cheap return flights

Enter your travel dates to find the best prices.

06:00 - 17:58LHR London Heathrow-BOS Boston Logan Intl

16h 58m2 stops Vienna Intl Toronto Pearson Intl

09:35 - 06:30BOS Boston Logan Intl-LHR London Heathrow

15h 55m2 stops Toronto Island Ottawa

£472Air Canada

Sun, 8 Nov - Sat, 14 Nov

09:40 - 12:21LHR London Heathrow-BOS Boston Logan Intl

7h 41mdirect

19:05 - 06:45BOS Boston Logan Intl-LHR London Heathrow

6h 40mdirect

£472Air France

Tue, 13 Oct - Tue, 20 Oct

17:00 - 19:40LHR London Heathrow-BOS Boston Logan Intl

7h 40mdirect

18:45 - 06:25BOS Boston Logan Intl-LHR London Heathrow

6h 40mdirect

£472British Airways

Mon, 2 Nov - Sun, 8 Nov

08:30 - 21:20LGW London Gatwick-BOS Boston Logan Intl

16h 50m1 stop Zurich

21:50 - 17:50BOS Boston Logan Intl-LGW London Gatwick

15h 00m1 stop Zurich

£472SWISS

Thu, 29 Oct - Wed, 4 Nov

09:05 - 19:55LGW London Gatwick-BOS Boston Logan Intl

15h 50m1 stop Zurich

21:40 - 17:50BOS Boston Logan Intl-LGW London Gatwick

15h 10m1 stop Zurich

£472SWISS

Sun, 11 Oct - Sun, 18 Oct

10:40 - 19:55LGW London Gatwick-BOS Boston Logan Intl

14h 15m1 stop Lisbon Humberto Delgado

22:10 - 08:20BOS Boston Logan Intl-LGW London Gatwick

29h 10m2 stops Lisbon Humberto Delgado Porto

£472TAP AIR PORTUGAL

Fri, 8 Jan - Fri, 15 Jan

12:40 - 17:42LHR London Heathrow-BOS Boston Logan Intl

10h 02m1 stop Halifax Intl

09:40 - 08:35BOS Boston Logan Intl-LHR London Heathrow

17h 55m2 stops Toronto Island Ottawa

£472Air Canada

Wed, 7 Oct - Wed, 21 Oct

10:00 - 16:05LGW London Gatwick-BOS Boston Logan Intl

11h 05m1 stop Paris Charles de Gaulle

16:55 - 09:00BOS Boston Logan Intl-LGW London Gatwick

11h 05m1 stop Paris Charles de Gaulle

£472Air France

Mon, 9 Nov - Fri, 13 Nov

20:10 - 22:35LHR London Heathrow-BOS Boston Logan Intl

7h 25mdirect

21:50 - 09:35BOS Boston Logan Intl-LHR London Heathrow

6h 45mdirect

£473British Airways

Tue, 29 Sep - Wed, 14 Oct

12:05 - 20:20LGW London Gatwick-BOS Boston Logan Intl

13h 15m1 stop Porto

18:00 - 09:50BOS Boston Logan Intl-LGW London Gatwick

10h 50m1 stop Lisbon Humberto Delgado

£474TAP AIR PORTUGAL

Sat, 24 Oct - Thu, 5 Nov

Cheap last-minute flights

Enter your travel dates to find the best prices.

10:05 - 12:35LHR London Heathrow-BOS Boston Logan Intl

7h 30mdirect

20:05 - 08:00BOS Boston Logan Intl-LHR London Heathrow

6h 55mdirect

£474British Airways

Wed, 16 Sep - Wed, 23 Sep

12:40 - 17:42LHR London Heathrow-BOS Boston Logan Intl

10h 02m1 stop Halifax Intl

15:35 - 06:30BOS Boston Logan Intl-LHR London Heathrow

9h 55m1 stop Montreal Pierre Elliott Trudeau Intl

£475Air Canada

Wed, 16 Sep - Wed, 23 Sep

12:40 - 17:42LHR London Heathrow-BOS Boston Logan Intl

10h 02m1 stop Halifax Intl

20:30 - 20:40BOS Boston Logan Intl-LHR London Heathrow

19h 10m1 stop Newark

£476United Airlines

Wed, 16 Sep - Wed, 23 Sep

10:05 - 12:35LHR London Heathrow-BOS Boston Logan Intl

7h 30mdirect

20:05 - 08:00BOS Boston Logan Intl-LHR London Heathrow

6h 55mdirect

£476Finnair

Wed, 16 Sep - Wed, 23 Sep

10:05 - 12:35LHR London Heathrow-BOS Boston Logan Intl

7h 30mdirect

19:15 - 07:00BOS Boston Logan Intl-LHR London Heathrow

6h 45mdirect

£476Iberia

Tue, 15 Sep - Tue, 17 Nov

10:05 - 12:35LHR London Heathrow-BOS Boston Logan Intl

7h 30mdirect

17:30 - 09:15BOS Boston Logan Intl-LHR London Heathrow

10h 45m1 stop New York John F Kennedy Intl

£476Iberia

Tue, 15 Sep - Tue, 17 Nov

10:05 - 12:35LHR London Heathrow-BOS Boston Logan Intl

7h 30mdirect

07:25 - 18:55BOS Boston Logan Intl-LHR London Heathrow

6h 30mdirect

£476British Airways

Wed, 16 Sep - Thu, 22 Oct

14:05 - 21:26LHR London Heathrow-BOS Boston Logan Intl

12h 21m1 stop Montreal Pierre Elliott Trudeau Intl

21:40 - 07:55BOS Boston Logan Intl-LHR London Heathrow

29h 15m1 stop Zurich

£477United Airlines

Mon, 14 Sep - Mon, 21 Sep

12:40 - 17:42LHR London Heathrow-BOS Boston Logan Intl

10h 02m1 stop Halifax Intl

10:25 - 08:05BOS Boston Logan Intl-LHR London Heathrow

16h 40m2 stops Montreal Pierre Elliott Trudeau Intl Zurich

£477Air Canada

Tue, 15 Sep - Tue, 17 Nov

10:05 - 12:35LHR London Heathrow-BOS Boston Logan Intl

7h 30mdirect

20:05 - 08:00BOS Boston Logan Intl-LHR London Heathrow

6h 55mdirect

£493Finnair

Wed, 16 Sep - Thu, 22 Oct

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United Airlines flights from London to New Hampshire

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

United Airlines

16 Sept

LHR12:40London Heathrow

10h 02m

1 stop

BOS17:42Boston Logan Intl

23 Sept

BOS20:30Boston Logan Intl

19h 10m

1 stop

LHR20:40London Heathrow

£476

United Airlines

20 Sept

LHR14:05London Heathrow

12h 21m

1 stop

BOS21:26Boston Logan Intl

24 Oct

BOS15:48Boston Logan Intl

10h 32m

1 stop

LHR07:20London Heathrow

£478

United Airlines

14 Sept

LHR15:20London Heathrow

13h 39m

2 stops

BOS23:59Boston Logan Intl

21 Sept

BOS21:40Boston Logan Intl

10h 20m

1 stop

LHR13:00London Heathrow

£479

Iberia flights from London to New Hampshire

Our best Iberia deals on London to New Hampshire flight tickets

Iberia

19 Sept

LHR09:15London Heathrow

11h 55m

1 stop

BOS16:10Boston Logan Intl

23 Sept

BOS17:40Boston Logan Intl

10h 50m

1 stop

LHR09:30London Heathrow

£475

Iberia

16 Sept

LGW11:30London Gatwick

16h 58m

2 stops

BOS23:28Boston Logan Intl

22 Oct

BOS12:29Boston Logan Intl

17h 21m

2 stops

LGW10:50London Gatwick

£476

Iberia

18 Sept

LGW11:30London Gatwick

12h 40m

1 stop

BOS19:10Boston Logan Intl

20 Sept

BOS17:40Boston Logan Intl

12h 10m

1 stop

LGW10:50London Gatwick

£495

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonBoston

LHR London Heathrow - BOS Boston Logan Intl

LHRBOS

London Heathrow

Sun 8/11

06:00-17:58

2 stops16h 58m

Boston Logan Intl

Sat 14/11

09:35-06:30

2 stops15h 55m

£472

LondonBoston

LHR London Heathrow - BOS Boston Logan Intl

LHRBOS

London Heathrow

Tue 13/10

09:40-12:21

Nonstop7h 41m

Boston Logan Intl

Tue 20/10

19:05-06:45

Nonstop6h 40m

£472

LondonBoston

LHR London Heathrow - BOS Boston Logan Intl

LHRBOS

London Heathrow

Mon 2/11

17:00-19:40

Nonstop7h 40m

Boston Logan Intl

Sun 8/11

18:45-06:25

Nonstop6h 40m

£472

LondonBoston

LGW London Gatwick - BOS Boston Logan Intl

LGWBOS

London Gatwick

Thu 29/10

08:30-21:20

1 stop16h 50m

Boston Logan Intl

Wed 4/11

21:50-17:50

1 stop15h 00m

£472

LondonBoston

LGW London Gatwick - BOS Boston Logan Intl

LGWBOS

London Gatwick

Sun 11/10

09:05-19:55

1 stop15h 50m

Boston Logan Intl

Sun 18/10

21:40-17:50

1 stop15h 10m

£472

LondonBoston

LGW London Gatwick - BOS Boston Logan Intl

LGWBOS

London Gatwick

Fri 8/1

10:40-19:55

1 stop14h 15m

Boston Logan Intl

Fri 15/1

22:10-08:20

2 stops29h 10m

£472

LondonBoston

LHR London Heathrow - BOS Boston Logan Intl

LHRBOS

London Heathrow

Wed 7/10

12:40-17:42

1 stop10h 02m

Boston Logan Intl

Wed 21/10

09:40-08:35

2 stops17h 55m

£472

LondonBoston

LGW London Gatwick - BOS Boston Logan Intl

LGWBOS

London Gatwick

Mon 9/11

10:00-16:05

1 stop11h 05m

Boston Logan Intl

Fri 13/11

16:55-09:00

1 stop11h 05m

£472

Fastest return journey

LondonBoston

LHR London Heathrow - BOS Boston Logan Intl

LHRBOS

London Heathrow

Tue 29/9

20:10-22:35

Nonstop7h 25m

Boston Logan Intl

Wed 14/10

21:50-09:35

Nonstop6h 45m

£473

LondonBoston

LGW London Gatwick - BOS Boston Logan Intl

LGWBOS

London Gatwick

Sat 24/10

12:05-20:20

1 stop13h 15m

Boston Logan Intl

Thu 5/11

18:00-09:50

1 stop10h 50m

£474

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 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 £551. 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 £594.

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 £532. Flights in the evening are often more expensive, with an average ticket price of £675.

How far in advance should I book a flight from London 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 £511 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 £479 on momondo.

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

Best price found	£341
Fastest flight time	7h 25m
Direct flights	Every day
Airports in New Hampshire	52 airports

The best one-way flight to New Hampshire from London in the past 72 hours is £341. The best return flight deal from London to New Hampshire found on momondo in the last 72 hours is £472.

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).

Search flight deals

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 September 2026, there are 16 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.