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

Icelandair, SWISS, and LEVEL 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 February 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 February 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.

£253 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.

10:30 - 18:48

LHR

BOS

13h 18m

1 stop

20:25 - 08:00

BOS

LHR

6h 35mdirect

£343American Airlines

Tue, 16 Jun - Wed, 12 Aug

14:25 - 16:55

LHR

BOS

7h 30mdirect

19:35 - 07:10

BOS

LHR

6h 35mdirect

£343British Airways

Tue, 21 Jul - Thu, 30 Jul

17:50 - 18:55

LHR

BOS

30h 05m

1 stop

20:00 - 07:50

BOS

LHR

6h 50mdirect

£344Virgin Atlantic

Thu, 26 Feb - Wed, 4 Mar

13:05 - 18:50

LHR

BOS

10h 45m

1 stop

23:00 - 20:20

BOS

LHR

16h 20m

1 stop

£345Icelandair

Thu, 7 May - Sun, 10 May

21:25 - 18:50

LHR

BOS

26h 25m

1 stop

20:50 - 11:55

BOS

LHR

10h 05m

1 stop

£346Icelandair

Fri, 1 May - Sat, 9 May

11:55 - 18:50

LGW

BOS

10h 55m

1 stop

20:50 - 14:40

BOS

LGW

12h 50m

1 stop

£346Icelandair

Tue, 17 Mar - Tue, 14 Apr

08:40 - 18:55

LHR

BOS

15h 15m

1 stop

20:10 - 06:50

BOS

LHR

6h 40mdirect

£351Virgin Atlantic

Fri, 6 Mar - Mon, 9 Mar

06:30 - 13:55

STN

BOS

12h 25m

1 stop

17:10 - 07:50

BOS

STN

9h 40m

1 stop

£351Multiple Airlines

Thu, 26 Feb - Mon, 2 Mar

06:30 - 13:55

STN

BOS

12h 25m

1 stop

17:10 - 15:05

BOS

STN

16h 55m

1 stop

£352Multiple Airlines

Thu, 26 Feb - Wed, 4 Mar

06:00 - 15:35

LHR

BOS

13h 35m

1 stop

23:45 - 18:55

BOS

LHR

15h 10m

1 stop

£353TAP AIR PORTUGAL

Mon, 16 Mar - Thu, 19 Mar

United Airlines flights from London to New Hampshire

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

United Airlines

26 Feb

LHR16:40London Heathrow

30h 55m

1 stop

BOS18:35Boston Logan Intl

28 Feb

BOS18:07Boston Logan Intl

38h 23m

1 stop

LHR13:30London Heathrow

£368

United Airlines

18 Feb

LHR12:05London Heathrow

54h 53m

2 stops

MHT13:58Manchester

22 Feb

MHT19:28Manchester

30h 12m

1 stop

LHR06:40London Heathrow

£913

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 Mar

LHR06:00London Heathrow

13h 35m

1 stop

BOS15:35Boston Logan Intl

19 Mar

BOS23:45Boston Logan Intl

15h 10m

1 stop

LHR18:55London Heathrow

£353

TAP AIR PORTUGAL

17 Feb

LHR06:00London Heathrow

13h 45m

1 stop

BOS14:45Boston Logan Intl

24 Feb

BOS18:05Boston Logan Intl

23h 35m

1 stop

LHR22:40London Heathrow

£431

TAP AIR PORTUGAL

18 Feb

LGW16:35London Gatwick

32h 35m

1 stop

BOS20:10Boston Logan Intl

22 Feb

BOS22:45Boston Logan Intl

12h 00m

1 stop

LGW15:45London Gatwick

£436

Fly from

Fly to

Route

Depart

Return

Price

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Tue 16/6

10:30-18:48

1 stop13h 18m

Boston Logan Intl

Wed 12/8

20:25-08:00

Nonstop6h 35m

£343

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Tue 21/7

14:25-16:55

Nonstop7h 30m

Boston Logan Intl

Thu 30/7

19:35-07:10

Nonstop6h 35m

£343

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Thu 26/2

17:50-18:55

1 stop30h 05m

Boston Logan Intl

Wed 4/3

20:00-07:50

Nonstop6h 50m

£344

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Thu 7/5

13:05-18:50

1 stop10h 45m

Boston Logan Intl

Sun 10/5

23:00-20:20

1 stop16h 20m

£345

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Fri 1/5

21:25-18:50

1 stop26h 25m

Boston Logan Intl

Sat 9/5

20:50-11:55

1 stop10h 05m

£346

LondonBoston

LGW - BOS

LGWBOS

London Gatwick

Tue 17/3

11:55-18:50

1 stop10h 55m

Boston Logan Intl

Tue 14/4

20:50-14:40

1 stop12h 50m

£346

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Fri 6/3

08:40-18:55

1 stop15h 15m

Boston Logan Intl

Mon 9/3

20:10-06:50

Nonstop6h 40m

£351

LondonBoston

STN - BOS

STNBOS

London Stansted

Thu 26/2

06:30-13:55

1 stop12h 25m

Boston Logan Intl

Mon 2/3

17:10-07:50

1 stop9h 40m

£351

LondonBoston

STN - BOS

STNBOS

London Stansted

Thu 26/2

06:30-13:55

1 stop12h 25m

Boston Logan Intl

Wed 4/3

17:10-15:05

1 stop16h 55m

£352

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Mon 16/3

06:00-15:35

1 stop13h 35m

Boston Logan Intl

Thu 19/3

23:45-18:55

1 stop15h 10m

£353

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 £387. 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 £389.

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 £502. 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 £566.

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 £494. Flights in the evening are often more expensive, with an average ticket price of £674.

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 £417 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 February 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 7.1 611 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.