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

SWISS, United Airlines, and Lufthansa 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 210 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.

£250 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.

06:50 - 14:52

LHR

BOS

13h 02m2 stops

14:20 - 10:50

BOS

LHR

15h 30m1 stop

£378Multiple Airlines

Fri, 20 Feb - Sat, 28 Feb

10:35 - 20:45

LGW

BOS

15h 10m1 stop

18:05 - 20:25

BOS

LGW

21h 20m2 stops

£378TAP AIR PORTUGAL

Thu, 30 Apr - Tue, 5 May

13:30 - 21:00

LCY

BOS

11h 30m1 stop

22:50 - 18:45

BOS

LCY

15h 55m1 stop

£379SWISS

Mon, 9 Mar - Thu, 19 Mar

08:50 - 14:55

LHR

BOS

10h 05m1 stop

20:15 - 08:00

BOS

LHR

6h 45mdirect

£379British Airways

Tue, 10 Mar - Tue, 7 Apr

16:50 - 21:05

LGW

BOS

33h 15m1 stop

22:50 - 17:45

BOS

LGW

13h 55m1 stop

£379LEVEL

Tue, 7 Apr - Thu, 23 Apr

09:50 - 14:10

LCY

BOS

32h 20m1 stop

17:25 - 09:20

BOS

LCY

11h 55m1 stop

£380Lufthansa

Wed, 11 Mar - Thu, 19 Mar

11:30 - 18:59

STN

BOS

12h 29m1 stop

21:15 - 18:20

BOS

STN

16h 05m1 stop

£380Multiple Airlines

Mon, 26 Jan - Mon, 2 Feb

13:30 - 16:15

LHR

BOS

7h 45mdirect

19:15 - 07:00

BOS

LHR

6h 45mdirect

£380British Airways

Tue, 20 Jan - Wed, 28 Jan

13:30 - 20:20

LCY

BOS

11h 50m1 stop

22:10 - 12:55

BOS

LCY

9h 45m1 stop

£382SWISS

Wed, 25 Feb - Sun, 1 Mar

09:15 - 15:40

LCY

BOS

11h 25m1 stop

17:45 - 17:55

BOS

LCY

19h 10m1 stop

£383Lufthansa

Wed, 15 Apr - Sat, 25 Apr

SWISS flights from London to New Hampshire

Our best SWISS deals on London to New Hampshire flight tickets

SWISS

9 Mar

LCY13:30London City

11h 30m

1 stop

BOS21:00Boston Logan Intl

19 Mar

BOS22:50Boston Logan Intl

15h 55m

1 stop

LCY18:45London City

£379

Find similar

SWISS

25 Feb

LCY13:30London City

11h 50m

1 stop

BOS20:20Boston Logan Intl

1 Mar

BOS22:10Boston Logan Intl

9h 45m

1 stop

LCY12:55London City

£382

Find similar

SWISS

28 Jan

LCY09:20London City

16h 00m

1 stop

BOS20:20Boston Logan Intl

4 Feb

BOS21:50Boston Logan Intl

10h 05m

1 stop

LCY12:55London City

£383

Find similar

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

30 Apr

LGW10:35London Gatwick

15h 10m

1 stop

BOS20:45Boston Logan Intl

5 May

BOS18:05Boston Logan Intl

21h 20m

2 stops

LGW20:25London Gatwick

£378

Find similar

TAP AIR PORTUGAL

29 Mar

LGW21:15London Gatwick

27h 40m

1 stop

BOS19:55Boston Logan Intl

11 Apr

BOS22:45Boston Logan Intl

30h 00m

1 stop

LGW09:45London Gatwick

£382

Find similar

TAP AIR PORTUGAL

19 Mar

LGW10:40London Gatwick

14h 30m

1 stop

BOS21:10Boston Logan Intl

9 Apr

BOS22:45Boston Logan Intl

30h 00m

1 stop

LGW09:45London Gatwick

£383

Find similar

Fly from

Fly to

Route

Depart

Return

Price

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Fri 20/2

06:50-14:52

2 stops13h 02m

Boston Logan Intl

Sat 28/2

14:20-10:50

1 stop15h 30m

£378

LondonBoston

LGW - BOS

LGWBOS

London Gatwick

Thu 30/4

10:35-20:45

1 stop15h 10m

Boston Logan Intl

Tue 5/5

18:05-20:25

2 stops21h 20m

£378

LondonBoston

LCY - BOS

LCYBOS

London City

Mon 9/3

13:30-21:00

1 stop11h 30m

Boston Logan Intl

Thu 19/3

22:50-18:45

1 stop15h 55m

£379

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Tue 10/3

08:50-14:55

1 stop10h 05m

Boston Logan Intl

Tue 7/4

20:15-08:00

Nonstop6h 45m

£379

LondonBoston

LGW - BOS

LGWBOS

London Gatwick

Tue 7/4

16:50-21:05

1 stop33h 15m

Boston Logan Intl

Thu 23/4

22:50-17:45

1 stop13h 55m

£379

LondonBoston

LCY - BOS

LCYBOS

London City

Wed 11/3

09:50-14:10

1 stop32h 20m

Boston Logan Intl

Thu 19/3

17:25-09:20

1 stop11h 55m

£380

LondonBoston

STN - BOS

STNBOS

London Stansted

Mon 26/1

11:30-18:59

1 stop12h 29m

Boston Logan Intl

Mon 2/2

21:15-18:20

1 stop16h 05m

£380

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Tue 20/1

13:30-16:15

Nonstop7h 45m

Boston Logan Intl

Wed 28/1

19:15-07:00

Nonstop6h 45m

£380

LondonBoston

LCY - BOS

LCYBOS

London City

Wed 25/2

13:30-20:20

1 stop11h 50m

Boston Logan Intl

Sun 1/3

22:10-12:55

1 stop9h 45m

£382

LondonBoston

LCY - BOS

LCYBOS

London City

Wed 15/4

09:15-15:40

1 stop11h 25m

Boston Logan Intl

Sat 25/4

17:45-17:55

1 stop19h 10m

£383

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 £389. 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 £396.

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 £504. 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 £567.

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 £498. Flights in the evening are often more expensive, with an average ticket price of £677.

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 £464 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 £420 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 £757	Free Cancellation	Rating 7.1 593 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.