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

Icelandair, Delta, and KLM are the most popular carriers operating from New Hampshire to London

How many flights depart from New Hampshire to London on average per week?

As of December 2025, 186 flights take off from New Hampshire and land in London each week. The most common flight departure day for this route is Mon, with 16% of weekly flights taking off on this day.

How long does it take to fly to London?

Flight times from New Hampshire to London vary, but if you’re flying out of Lebanon and flying into London Heathrow Airport (one of the most popular routes), then the duration is 9h 55m on average. Another popular route from New Hampshire to London is flying from Manchester to London Heathrow Airport, which will take roughly 11h 17m. Keep in mind that layovers or delays could extend your travel time.

When did momondo last update prices for flights from New Hampshire to London?

Prices for flights from New Hampshire to London are refreshed on a daily basis.

How many operators does momondo search for flights from New Hampshire to London?

As of December 2025, there are 9 operators available to choose from for flights from New Hampshire to London.

How old do you have to be to fly from New Hampshire to London?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from New Hampshire to London.

What documentation or ID do you need to fly to London?

The travel and health documents you'll need for your trip to London 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 London. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

£144 Cheap Flights from New Hampshire to London in 2025/26

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Find the cheapest flights from New Hampshire to London

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One-way

Last minute

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Cheap return flights

Enter your travel dates to find the best prices.

15:40 - 07:10

BOS

LHR

10h 30m1 stop

06:50 - 19:42

LHR

BOS

17h 52m2 stops

£373Multiple Airlines

Tue, 20 Jan - Tue, 27 Jan

22:45 - 15:50

BOS

LGW

12h 05m1 stop

10:40 - 20:10

LGW

BOS

14h 30m1 stop

£373TAP AIR PORTUGAL

Thu, 8 Jan - Thu, 15 Jan

16:45 - 10:50

BOS

LGW

13h 05m1 stop

13:10 - 20:55

LGW

BOS

12h 45m1 stop

£374Iberia

Sat, 21 Feb - Sat, 28 Feb

19:12 - 06:55

BOS

LHR

6h 43mdirect

09:20 - 12:16

LHR

BOS

7h 56mdirect

£375JetBlue

Mon, 19 Jan - Sat, 24 Jan

16:45 - 10:50

BOS

LGW

13h 05m1 stop

11:45 - 19:50

LGW

BOS

13h 05m1 stop

£376Iberia

Sat, 10 Jan - Thu, 15 Jan

18:40 - 20:35

BOS

LHR

20h 55m1 stop

12:05 - 20:20

LHR

BOS

13h 15m1 stop

£376United Airlines

Fri, 13 Feb - Tue, 17 Feb

22:10 - 13:00

BOS

LHR

9h 50m1 stop

13:45 - 20:00

LHR

BOS

11h 15m1 stop

£377SWISS

Tue, 13 Jan - Mon, 26 Jan

18:40 - 20:35

BOS

LHR

20h 55m1 stop

09:00 - 17:14

LHR

BOS

37h 14m2 stops

£379United Airlines

Wed, 7 Jan - Mon, 12 Jan

21:50 - 17:05

BOS

LCY

14h 15m1 stop

09:15 - 20:20

LCY

BOS

16h 05m1 stop

£380SWISS

Tue, 20 Jan - Tue, 27 Jan

16:00 - 06:55

LEB

LHR

9h 55m1 stop

09:20 - 18:45

LHR

LEB

14h 25m1 stop

£781JetBlue

Wed, 4 Feb - Wed, 11 Feb

JetBlue flights from New Hampshire to London

Our best JetBlue deals on New Hampshire to London flight tickets

JetBlue

19 Jan

BOS19:12Boston Logan Intl

6h 43m

LHR06:55London Heathrow

24 Jan

LHR09:20London Heathrow

7h 56m

BOS12:16Boston Logan Intl

£375

Find similar

JetBlue

18 Jan

BOS19:12Boston Logan Intl

6h 43m

LHR06:55London Heathrow

25 Jan

LHR09:20London Heathrow

7h 56m

BOS12:16Boston Logan Intl

£380

Find similar

JetBlue

2 May

BOS18:40Boston Logan Intl

6h 50m

LHR06:30London Heathrow

11 May

LHR08:25London Heathrow

7h 39m

BOS11:04Boston Logan Intl

£387

Find similar

United Airlines flights from New Hampshire to London

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

United Airlines

30 Dec

BOS18:40Boston Logan Intl

20h 55m

1 stop

LHR20:35London Heathrow

12 Jan

LHR09:00London Heathrow

37h 14m

2 stops

BOS17:14Boston Logan Intl

£373

Find similar

United Airlines

29 Dec

BOS18:40Boston Logan Intl

20h 55m

1 stop

LHR20:35London Heathrow

21 Jan

LHR13:25London Heathrow

29h 52m

2 stops

BOS14:17Boston Logan Intl

£375

Find similar

United Airlines

13 Feb

BOS18:40Boston Logan Intl

20h 55m

1 stop

LHR20:35London Heathrow

17 Feb

LHR12:05London Heathrow

13h 15m

1 stop

BOS20:20Boston Logan Intl

£376

Find similar

Fly from

Fly to

Route

Depart

Return

Price

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Tue 20/1

15:40-07:10

1 stop10h 30m

London Heathrow

Tue 27/1

06:50-19:42

2 stops17h 52m

£373

BostonLondon

BOS - LGW

BOSLGW

Boston Logan Intl

Thu 8/1

22:45-15:50

1 stop12h 05m

London Gatwick

Thu 15/1

10:40-20:10

1 stop14h 30m

£373

BostonLondon

BOS - LGW

BOSLGW

Boston Logan Intl

Sat 21/2

16:45-10:50

1 stop13h 05m

London Gatwick

Sat 28/2

13:10-20:55

1 stop12h 45m

£374

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Mon 19/1

19:12-06:55

Nonstop6h 43m

London Heathrow

Sat 24/1

09:20-12:16

Nonstop7h 56m

£375

BostonLondon

BOS - LGW

BOSLGW

Boston Logan Intl

Sat 10/1

16:45-10:50

1 stop13h 05m

London Gatwick

Thu 15/1

11:45-19:50

1 stop13h 05m

£376

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Fri 13/2

18:40-20:35

1 stop20h 55m

London Heathrow

Tue 17/2

12:05-20:20

1 stop13h 15m

£376

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Tue 13/1

22:10-13:00

1 stop9h 50m

London Heathrow

Mon 26/1

13:45-20:00

1 stop11h 15m

£377

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Wed 7/1

18:40-20:35

1 stop20h 55m

London Heathrow

Mon 12/1

09:00-17:14

2 stops37h 14m

£379

BostonLondon

BOS - LCY

BOSLCY

Boston Logan Intl

Tue 20/1

21:50-17:05

1 stop14h 15m

London City

Tue 27/1

09:15-20:20

1 stop16h 05m

£380

LebanonLondon

LEB - LHR

LEBLHR

Lebanon Municipal

Wed 4/2

16:00-06:55

1 stop9h 55m

London Heathrow

Wed 11/2

09:20-18:45

1 stop14h 25m

£781

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 New Hampshire to London

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 London?

The cheapest month to fly to London from New Hampshire is in October. Flight prices, which tend to average around £385, are often lower during this time because this is during the off-season. The month of September is another great option to travel to London, with average flight prices from New Hampshire averaging around £406.

What is the cheapest day to depart on your flight to London?

Our data shows that Monday is the least expensive day to fly to London. Tickets to fly out on this day can be as low as £465. When flying out on a Saturday, the most expensive travel day of the week, you can expect to see flight prices from New Hampshire to London for around £594.

What is the cheapest time of day to depart on your flight to London?

The cheapest time of day to fly to London is in the evening when flights can be purchased for as low as £507. Flights in the morning are often more expensive, with an average ticket price of £542.

How far in advance should I book a flight to London?

You are more likely to see cheaper flights to London from New Hampshire when booking weeks ahead of your departure date. In general, you can expect to find flights to London 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 London from New Hampshire for as low as £445 on momondo.

Cheap New Hampshire to London flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from New Hampshire to London

Fastest flight time	6h 30m
Direct flights	Every day
Airports in London	6 airports

The fastest flight from New Hampshire to London takes 6h 30m

Direct flights go from New Hampshire to London every day.

There are 6 airports in London. From New Hampshire there are direct flights to London Heathrow (LHR), London Gatwick (LGW).

Search flight deals

When did momondo last update prices for flights from New Hampshire to London?
Prices for flights from New Hampshire to London are refreshed on a daily basis.
How many operators does momondo search for flights from New Hampshire to London?
As of December 2025, there are 9 operators available to choose from for flights from New Hampshire to London.
How old do you have to be to fly from New Hampshire to London?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from New Hampshire to London.
What documentation or ID do you need to fly to London?
The travel and health documents you'll need for your trip to London 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 London. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Eastbourne

Milton Keynes

Luton

Gatwick

Maidstone

Slough

Southend-on-Sea

Canterbury

Ipswich

Ilford

Guildford

Hayes

Chelmsford

Dover

Worthing

Bedford

Colchester

Hounslow

Ramsgate

Romford

Why use momondo?

Why should I use momondo to find a flight deal from New Hampshire to London?

It is quick and easy to find New Hampshire to London flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to London that suits you.

Can I find flights from New Hampshire to London with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to London from New Hampshire with this policy.

How can momondo help me find flights from New Hampshire to London?

momondo helps you find the best flight between New Hampshire and London by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from New Hampshire to London right now. Can momondo alert me if prices change?

Price alerts on flights to London from New Hampshire are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.