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

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

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 30m and 10h 09m, respectively.

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

As of February 2026, there are 186 flights per week flying from New Hampshire to London. The most common day of the week flights depart is Wed, with 17% of flights taking off on this day.

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 February 2026, 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.

$223 Cheap Flights from New Hampshire to London in 2026

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Find the cheapest flights from New Hampshire to London

Round-trip

One-way

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Cheap round-trip flights

Enter your travel dates to find the best prices.

7:25 pm - 9:15 am

BOS

LHR

8h 50m

1 stop

10:00 am - 4:50 pm

LHR

BOS

11h 50m

1 stop

$490Aer Lingus

Sat, Feb 28 - Wed, Mar 4

5:20 pm - 7:50 am

BOS

STN

9h 30m

1 stop

6:30 am - 2:55 pm

STN

BOS

13h 25m

1 stop

$490Multiple Airlines

Thu, Apr 9 - Mon, Apr 13

8:50 pm - 2:40 pm

BOS

LGW

12h 50m

1 stop

3:40 pm - 9:45 pm

LGW

BOS

11h 05m

1 stop

$491Icelandair

Tue, May 12 - Wed, Jun 3

7:25 pm - 9:15 am

BOS

LHR

8h 50m

1 stop

10:00 am - 5:50 pm

LHR

BOS

11h 50m

1 stop

$491Aer Lingus

Thu, Mar 5 - Mon, Mar 9

8:40 pm - 11:05 pm

BOS

LTN

21h 25m

2 stops

7:05 pm - 6:02 pm

LTN

BOS

26h 57m

3 stops

$491Multiple Airlines

Wed, Mar 4 - Mon, Mar 9

12:35 pm - 10:55 am

BOS

LGW

18h 20m

1 stop

11:55 am - 6:50 pm

LGW

BOS

10h 55m

1 stop

$492Icelandair

Thu, Mar 12 - Wed, Mar 18

7:15 pm - 7:00 am

BOS

LHR

6h 45mnonstop

11:25 am - 7:50 pm

LHR

BOS

13h 25m

1 stop

$499Iberia

Sat, Feb 21 - Sat, Feb 28

9:50 pm - 5:05 pm

BOS

LCY

14h 15m

1 stop

1:30 pm - 8:20 pm

LCY

BOS

11h 50m

1 stop

$517SWISS

Wed, Feb 25 - Wed, Mar 4

9:50 pm - 5:05 pm

BOS

LCY

14h 15m

1 stop

1:30 pm - 8:20 pm

LCY

BOS

11h 50m

1 stop

$519SWISS

Wed, Feb 18 - Wed, Feb 25

7:10 pm - 5:20 pm

BOS

LCY

17h 10m

1 stop

8:40 am - 11:26 pm

LCY

BOS

19h 46m

2 stops

$536Virgin Atlantic

Tue, Mar 3 - Thu, Mar 5

Air Canada flights from New Hampshire to London

Our best Air Canada deals on New Hampshire to London flight tickets

Air Canada

Feb 15

BOS1:00 pmBoston Logan Intl

15h 20m

2 stops

LHR9:20 amLondon Heathrow

Feb 19

LHR6:50 amLondon Heathrow

13h 02m

2 stops

BOS2:52 pmBoston Logan Intl

$531

Air Canada

Feb 14

BOS6:40 pmBoston Logan Intl

20h 55m

1 stop

LHR8:35 pmLondon Heathrow

Feb 22

LHR11:05 amLondon Heathrow

32h 47m

2 stops

BOS2:52 pmBoston Logan Intl

$536

Aer Lingus flights from New Hampshire to London

Our best Aer Lingus deals on New Hampshire to London flight tickets

Aer Lingus

Feb 26

BOS7:25 pmBoston Logan Intl

8h 50m

1 stop

LHR9:15 amLondon Heathrow

Mar 5

LHR12:10 pmLondon Heathrow

11h 49m

1 stop

BOS6:59 pmBoston Logan Intl

$490

Aer Lingus

Mar 5

BOS7:25 pmBoston Logan Intl

8h 50m

1 stop

LHR9:15 amLondon Heathrow

Mar 16

LHR10:00 amLondon Heathrow

11h 50m

1 stop

BOS5:50 pmBoston Logan Intl

$491

Aer Lingus

Feb 18

BOS5:10 pmBoston Logan Intl

9h 55m

1 stop

LHR8:05 amLondon Heathrow

Feb 28

LHR10:00 amLondon Heathrow

11h 50m

1 stop

BOS4:50 pmBoston Logan Intl

$493

Fly from

Fly to

Route

Depart

Return

Price

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Sat 2/28

7:25 pm-9:15 am

1 stop8h 50m

London Heathrow

Wed 3/4

10:00 am-4:50 pm

1 stop11h 50m

$490

BostonLondon

BOS - STN

BOSSTN

Boston Logan Intl

Thu 4/9

5:20 pm-7:50 am

1 stop9h 30m

London Stansted

Mon 4/13

6:30 am-2:55 pm

1 stop13h 25m

$490

BostonLondon

BOS - LGW

BOSLGW

Boston Logan Intl

Tue 5/12

8:50 pm-2:40 pm

1 stop12h 50m

London Gatwick

Wed 6/3

3:40 pm-9:45 pm

1 stop11h 05m

$491

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Thu 3/5

7:25 pm-9:15 am

1 stop8h 50m

London Heathrow

Mon 3/9

10:00 am-5:50 pm

1 stop11h 50m

$491

BostonLondon

BOS - LTN

BOSLTN

Boston Logan Intl

Wed 3/4

8:40 pm-11:05 pm

2 stops21h 25m

London Luton

Mon 3/9

7:05 pm-6:02 pm

3 stops26h 57m

$491

BostonLondon

BOS - LGW

BOSLGW

Boston Logan Intl

Thu 3/12

12:35 pm-10:55 am

1 stop18h 20m

London Gatwick

Wed 3/18

11:55 am-6:50 pm

1 stop10h 55m

$492

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Sat 2/21

7:15 pm-7:00 am

Nonstop6h 45m

London Heathrow

Sat 2/28

11:25 am-7:50 pm

1 stop13h 25m

$499

BostonLondon

BOS - LCY

BOSLCY

Boston Logan Intl

Wed 2/25

9:50 pm-5:05 pm

1 stop14h 15m

London City

Wed 3/4

1:30 pm-8:20 pm

1 stop11h 50m

$517

BostonLondon

BOS - LCY

BOSLCY

Boston Logan Intl

Wed 2/18

9:50 pm-5:05 pm

1 stop14h 15m

London City

Wed 2/25

1:30 pm-8:20 pm

1 stop11h 50m

$519

BostonLondon

BOS - LCY

BOSLCY

Boston Logan Intl

Tue 3/3

7:10 pm-5:20 pm

1 stop17h 10m

London City

Thu 3/5

8:40 am-11:26 pm

2 stops19h 46m

$536

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 $544.

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 $661. If your travel schedule is flexible, try to avoid departing on a Saturday because tickets tend to average around $714. 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 in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $617 when looking at flights departing in the afternoon. Flights to London are more costly in the evening, with an average ticket price of $694. 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 $633 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 $610 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 February 2026, 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

Luton

Dover

Slough

Guildford

Crawley

Wembley

Dartford

Hayes

Croydon

Brentwood

Harrow

Watford

Cobham

Folkestone

Romford

Stansted

Richmond

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.

An easier way to manage your London trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

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Fly into one of these airports located in London

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London Heathrow Airport

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Cheap flights from New Hampshire to London from $223

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from New Hampshire to London departing on 5/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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Big names and deals

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Filter for what you want

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Trusted and free

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Find the cheapest flights from New Hampshire to London

Cheap round-trip flights

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Air Canada flights from New Hampshire to London

Our best Air Canada deals on New Hampshire to London flight tickets

Aer Lingus flights from New Hampshire to London

Our best Aer Lingus deals on New Hampshire to London flight tickets

momondo Fare Finder

Use the filters below to find and compare flights from New Hampshire to London that are best for you.

See travel insights to London from

How to get the cheapest flight ticket from New Hampshire to London

What is the cheapest month to fly to London?

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

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

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

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.

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

United Airlines, Delta, and Icelandair 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 February 2026, there are 186 flights per week flying from New Hampshire to London. The most common day of the week flights depart is Wed, with 17% 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 30m and 10h 09m, respectively.

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

Direct flights

Airports in London

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

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

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

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

Traveling to a place near London?

Why use momondo?

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

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

How can momondo help me find flights 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?

An easier way to manage your London trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to the United Kingdom

Fly into one of these airports located in London

Airports listed have a maximum distance of 35.6 mi from London

Cabin classes currently available on flights to London

List of cabin classes available on flights landing in London. Availability may vary depending on flight origin and airline.

Popular cities in the United Kingdom

Popular flights according to clicks in the last 7 days on momondo

Fly to other destinations from New Hampshire

According to popular flight searches on momondo this year

Complete your trip to London

Explore popular destinations other users love

According to popular flight searches on momondo this year