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

Icelandair, KLM, and Virgin Atlantic 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, there are 186 flights per week flying from New Hampshire to London. The most common day of the week flights depart is Mon, with 16% of flights taking off on this day.

How long does it take to fly to London?

If you’re flying from a popular airport in New Hampshire, such as Lebanon or Manchester, and flying into London, then you can expect flight times to average 9h 55m and 11h 17m, respectively.

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 18 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 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 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.

$194 Cheap Flights from New Hampshire to London in 2025/26

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Find the cheapest flights from New Hampshire to London

Round-trip

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Cheap round-trip flights

Enter your travel dates to find the best prices.

3:40 pm - 7:10 am

BOS

LHR

10h 30m1 stop

6:50 am - 7:42 pm

LHR

BOS

17h 52m2 stops

$501Multiple Airlines

Tue, Jan 20 - Tue, Jan 27

10:45 pm - 3:50 pm

BOS

LGW

12h 05m1 stop

10:40 am - 8:10 pm

LGW

BOS

14h 30m1 stop

$501TAP AIR PORTUGAL

Thu, Jan 8 - Thu, Jan 15

4:45 pm - 10:50 am

BOS

LGW

13h 05m1 stop

1:10 pm - 8:55 pm

LGW

BOS

12h 45m1 stop

$502Iberia

Sat, Feb 21 - Sat, Feb 28

6:15 am - 7:10 am

BOS

LHR

19h 55m2 stops

11:10 am - 6:35 pm

LHR

BOS

12h 25m1 stop

$502Multiple Airlines

Fri, Jan 16 - Sun, Jan 25

7:12 pm - 6:55 am

BOS

LHR

6h 43mnonstop

9:20 am - 12:16 pm

LHR

BOS

7h 56mnonstop

$504JetBlue

Mon, Jan 19 - Sat, Jan 24

4:45 pm - 10:50 am

BOS

LGW

13h 05m1 stop

11:45 am - 7:50 pm

LGW

BOS

13h 05m1 stop

$505Iberia

Sat, Jan 10 - Thu, Jan 15

6:40 pm - 8:35 pm

BOS

LHR

20h 55m1 stop

12:05 pm - 8:20 pm

LHR

BOS

13h 15m1 stop

$505United Airlines

Fri, Feb 13 - Tue, Feb 17

10:10 pm - 1:00 pm

BOS

LHR

9h 50m1 stop

1:45 pm - 8:00 pm

LHR

BOS

11h 15m1 stop

$506SWISS

Tue, Jan 13 - Mon, Jan 26

6:40 pm - 8:35 pm

BOS

LHR

20h 55m1 stop

9:00 am - 3:15 pm

LHR

BOS

35h 15m2 stops

$509United Airlines

Wed, Jan 7 - Thu, Jan 15

9:50 pm - 5:05 pm

BOS

LCY

14h 15m1 stop

9:15 am - 8:20 pm

LCY

BOS

16h 05m1 stop

$511SWISS

Tue, Jan 20 - Tue, Jan 27

United Airlines flights from New Hampshire to London

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

United Airlines

Dec 30

BOS6:40 pmBoston Logan Intl

20h 55m

1 stop

LHR8:35 pmLondon Heathrow

Jan 12

LHR9:00 amLondon Heathrow

37h 14m

2 stops

BOS5:14 pmBoston Logan Intl

$501

Find similar

United Airlines

Dec 29

BOS6:40 pmBoston Logan Intl

20h 55m

1 stop

LHR8:35 pmLondon Heathrow

Jan 21

LHR1:25 pmLondon Heathrow

29h 52m

2 stops

BOS2:17 pmBoston Logan Intl

$504

Find similar

United Airlines

Feb 13

BOS6:40 pmBoston Logan Intl

20h 55m

1 stop

LHR8:35 pmLondon Heathrow

Feb 17

LHR12:05 pmLondon Heathrow

13h 15m

1 stop

BOS8:20 pmBoston Logan Intl

$505

Find similar

SWISS flights from New Hampshire to London

Our best SWISS deals on New Hampshire to London flight tickets

SWISS

Jan 13

BOS10:10 pmBoston Logan Intl

9h 50m

1 stop

LHR1:00 pmLondon Heathrow

Jan 26

LHR1:45 pmLondon Heathrow

11h 15m

1 stop

BOS8:00 pmBoston Logan Intl

$506

Find similar

SWISS

Jan 20

BOS9:50 pmBoston Logan Intl

14h 15m

1 stop

LCY5:05 pmLondon City

Jan 27

LCY9:15 amLondon City

16h 05m

1 stop

BOS8:20 pmBoston Logan Intl

$511

Find similar

SWISS

Mar 29

BOS5:05 pmBoston Logan Intl

10h 15m

1 stop

LGW8:20 amLondon Gatwick

May 1

LGW9:25 amLondon Gatwick

11h 05m

1 stop

BOS3:30 pmBoston Logan Intl

$512

Find similar

Fly from

Fly to

Route

Depart

Return

Price

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Tue 1/20

3:40 pm-7:10 am

1 stop10h 30m

London Heathrow

Tue 1/27

6:50 am-7:42 pm

2 stops17h 52m

$501

BostonLondon

BOS - LGW

BOSLGW

Boston Logan Intl

Thu 1/8

10:45 pm-3:50 pm

1 stop12h 05m

London Gatwick

Thu 1/15

10:40 am-8:10 pm

1 stop14h 30m

$501

BostonLondon

BOS - LGW

BOSLGW

Boston Logan Intl

Sat 2/21

4:45 pm-10:50 am

1 stop13h 05m

London Gatwick

Sat 2/28

1:10 pm-8:55 pm

1 stop12h 45m

$502

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Fri 1/16

6:15 am-7:10 am

2 stops19h 55m

London Heathrow

Sun 1/25

11:10 am-6:35 pm

1 stop12h 25m

$502

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Mon 1/19

7:12 pm-6:55 am

Nonstop6h 43m

London Heathrow

Sat 1/24

9:20 am-12:16 pm

Nonstop7h 56m

$504

BostonLondon

BOS - LGW

BOSLGW

Boston Logan Intl

Sat 1/10

4:45 pm-10:50 am

1 stop13h 05m

London Gatwick

Thu 1/15

11:45 am-7:50 pm

1 stop13h 05m

$505

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Fri 2/13

6:40 pm-8:35 pm

1 stop20h 55m

London Heathrow

Tue 2/17

12:05 pm-8:20 pm

1 stop13h 15m

$505

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Tue 1/13

10:10 pm-1:00 pm

1 stop9h 50m

London Heathrow

Mon 1/26

1:45 pm-8:00 pm

1 stop11h 15m

$506

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Wed 1/7

6:40 pm-8:35 pm

1 stop20h 55m

London Heathrow

Thu 1/15

9:00 am-3:15 pm

2 stops35h 15m

$509

BostonLondon

BOS - LCY

BOSLCY

Boston Logan Intl

Tue 1/20

9:50 pm-5:05 pm

1 stop14h 15m

London City

Tue 1/27

9:15 am-8:20 pm

1 stop16h 05m

$511

Flights are sorted by cheapest round-trip 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 $517, 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 $545.

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

The cheapest day to depart from New Hampshire to London is on a Tuesday. Travelers who choose to depart for London on a Tuesday will often find tickets for as low as $657. If your travel schedule is flexible, try to avoid departing on a Saturday because tickets tend to average around $719. These prices are subject to change though, so be sure to set up a Price Alert for flights to London.

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

Flying to London from New Hampshire at noon is the least expensive time of day to depart. momondo users have found prices as low as $623 when looking at flights departing at noon. Flights to London are more costly in the evening, with an average ticket price of $696. Departure times in the evening fall within the peak daily travel times, which is why tickets can be more expensive.

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 $635 when searching weeks out. 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 $598 on momondo.

Can stopping save me money on New Hampshire to London flights?

You could potentially save up to 23% on your flight if you consider stops on a New Hampshire to London flight.

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 18 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 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 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.

Gatwick

Hounslow

Milton Keynes

Dover

Luton

Slough

Guildford

Hayes

Dartford

Crawley

Brentwood

Wembley

Watford

Ilford

Cobham

Folkestone

Romford

Richmond

Uxbridge

Stansted

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to London from New Hampshire.

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

Flights from New Hampshire to London 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 New Hampshire to London?

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 New Hampshire to London.

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

Yes momondo offers price alerts on flights to London from New Hampshire. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.