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

Lufthansa, United Airlines, and SWISS 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 165 per week as of March 2026. The most frequent departure day is Mon, with 19% 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 March 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.

£322 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.

08:40 - 11:23

LHR

BOS

7h 43mdirect

18:35 - 06:30

BOS

LHR

6h 55mdirect

£385JetBlue

Wed, 16 Sep - Wed, 23 Sep

08:40 - 11:23

LHR

BOS

7h 43mdirect

18:35 - 06:30

BOS

LHR

6h 55mdirect

£386JetBlue

Wed, 16 Sep - Wed, 23 Sep

17:35 - 20:05

LHR

BOS

7h 30mdirect

07:30 - 19:00

BOS

LHR

6h 30mdirect

£387British Airways

Tue, 15 Sep - Thu, 5 Nov

08:15 - 14:19

LHR

BOS

11h 04m

1 stop

18:35 - 06:30

BOS

LHR

6h 55mdirect

£389JetBlue

Wed, 16 Sep - Wed, 23 Sep

06:45 - 21:45

STN

BOS

20h 00m

2 stops

20:50 - 00:50

BOS

STN

23h 00m

2 stops

£391Multiple Airlines

Mon, 13 Apr - Mon, 20 Apr

16:50 - 21:05

LGW

BOS

33h 15m

1 stop

23:00 - 12:15

BOS

LGW

32h 15m

1 stop

£394LEVEL

Tue, 19 May - Mon, 14 Sep

13:05 - 21:45

LHR

BOS

13h 40m

1 stop

20:50 - 11:55

BOS

LHR

10h 05m

1 stop

£395Icelandair

Fri, 15 May - Sun, 17 May

15:40 - 21:45

LGW

BOS

11h 05m

1 stop

23:00 - 14:40

BOS

LGW

10h 40m

1 stop

£396Icelandair

Wed, 19 Aug - Tue, 25 Aug

18:35 - 21:05

LGW

BOS

31h 30m

1 stop

23:00 - 07:15

BOS

LGW

27h 15m

1 stop

£399LEVEL

Tue, 19 May - Tue, 7 Jul

06:15 - 14:55

LTN

BOS

13h 40m

1 stop

23:30 - 22:50

BOS

LTN

18h 20m

1 stop

£428Multiple Airlines

Wed, 22 Apr - Mon, 27 Apr

Icelandair flights from London to New Hampshire

Our best Icelandair deals on London to New Hampshire flight tickets

Icelandair

15 May

LHR13:05London Heathrow

13h 40m

1 stop

BOS21:45Boston Logan Intl

17 May

BOS20:50Boston Logan Intl

10h 05m

1 stop

LHR11:55London Heathrow

£395

Icelandair

19 Aug

LGW15:40London Gatwick

11h 05m

1 stop

BOS21:45Boston Logan Intl

26 Aug

BOS23:00Boston Logan Intl

10h 40m

1 stop

LGW14:40London Gatwick

£396

Icelandair

5 Apr

LGW15:40London Gatwick

11h 05m

1 stop

BOS21:45Boston Logan Intl

12 Apr

BOS20:50Boston Logan Intl

12h 50m

1 stop

LGW14:40London Gatwick

£398

American Airlines flights from London to New Hampshire

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

American Airlines

17 Aug

LHR10:05London Heathrow

7h 40m

BOS12:45Boston Logan Intl

25 Aug

BOS17:04Boston Logan Intl

12h 16m

1 stop

LHR10:20London Heathrow

£396

American Airlines

18 Aug

LHR12:30London Heathrow

11h 37m

1 stop

BOS19:07Boston Logan Intl

25 Aug

BOS17:04Boston Logan Intl

12h 16m

1 stop

LHR10:20London Heathrow

£399

American Airlines

14 Aug

LHR10:30London Heathrow

11h 25m

1 stop

BOS16:55Boston Logan Intl

26 Aug

BOS13:10Boston Logan Intl

12h 15m

1 stop

LHR06:25London Heathrow

£422

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Wed 16/9

08:40-11:23

Nonstop7h 43m

Boston Logan Intl

Wed 23/9

18:35-06:30

Nonstop6h 55m

£385

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Wed 16/9

08:40-11:23

Nonstop7h 43m

Boston Logan Intl

Wed 23/9

18:35-06:30

Nonstop6h 55m

£386

Fastest return journey

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Tue 15/9

17:35-20:05

Nonstop7h 30m

Boston Logan Intl

Thu 5/11

07:30-19:00

Nonstop6h 30m

£387

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Wed 16/9

08:15-14:19

1 stop11h 04m

Boston Logan Intl

Wed 23/9

18:35-06:30

Nonstop6h 55m

£389

LondonBoston

STN - BOS

STNBOS

London Stansted

Mon 13/4

06:45-21:45

2 stops20h 00m

Boston Logan Intl

Mon 20/4

20:50-00:50

2 stops23h 00m

£391

LondonBoston

LGW - BOS

LGWBOS

London Gatwick

Tue 19/5

16:50-21:05

1 stop33h 15m

Boston Logan Intl

Mon 14/9

23:00-12:15

1 stop32h 15m

£394

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Fri 15/5

13:05-21:45

1 stop13h 40m

Boston Logan Intl

Sun 17/5

20:50-11:55

1 stop10h 05m

£395

LondonBoston

LGW - BOS

LGWBOS

London Gatwick

Wed 19/8

15:40-21:45

1 stop11h 05m

Boston Logan Intl

Tue 25/8

23:00-14:40

1 stop10h 40m

£396

LondonBoston

LGW - BOS

LGWBOS

London Gatwick

Tue 19/5

18:35-21:05

1 stop31h 30m

Boston Logan Intl

Tue 7/7

23:00-07:15

1 stop27h 15m

£399

LondonBoston

LTN - BOS

LTNBOS

London Luton

Wed 22/4

06:15-14:55

1 stop13h 40m

Boston Logan Intl

Mon 27/4

23:30-22:50

1 stop18h 20m

£428

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 £393. 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 Thursday. momondo users have found tickets for Thursday departures for as low as £512. 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 £576.

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 £498. Flights in the evening are often more expensive, with an average ticket price of £685.

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 £473 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 £425 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).

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 March 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 £762	Free Cancellation	Rating 7.0 625 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.