How long does it take to fly to London?

Flight times from New Hampshire to London vary, but if you’re flying out of Manchester and flying into London Heathrow Airport (one of the most popular routes), then the duration is 9h 31m on average. Another popular route from New Hampshire to London is flying from Lebanon to London Heathrow Airport, which will take roughly 9h 50m. Keep in mind that layovers or delays could extend your travel time.

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

As of September 2025, 237 flights take off from New Hampshire and land in London each week. The most common flight departure day for this route is Wed, with 16% of weekly flights taking off on this day.

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

TAP AIR PORTUGAL, JetBlue, and Virgin Atlantic are the most popular carriers operating from New Hampshire to London

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 September 2025, there are 7 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.

£147 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

One-way

Last minute

Direct

Cheap return flights

18:05 - 10:00BOS-LGW

34h 55m2 stops

21:25 - 14:45LGW-BOS

22h 20m2 stops

£335TAP AIR PORTUGAL

Find Deal

Mi, 12 Nov - Mo, 24 Nov

17:10 - 08:35BOS-LTN

10h 25m1 stop

05:50 - 13:55LTN-BOS

13h 05m1 stop

£339Multiple Airlines

Find Deal

Mo, 3 Nov - Fr, 14 Nov

23:55 - 11:25BOS-LHR

6h 30mdirect

13:05 - 16:00LHR-BOS

7h 55mdirect

£341Virgin Atlantic

Find Deal

Mi, 19 Nov - Mo, 24 Nov

21:48 - 09:35BOS-LGW

6h 47mdirect

12:10 - 15:08LGW-BOS

7h 58mdirect

£341JetBlue

Find Deal

Mo, 20 Okt - Mi, 22 Okt

20:15 - 08:05BOS-LHR

6h 50mdirect

12:25 - 15:20LHR-BOS

7h 55mdirect

£341Virgin Atlantic

Find Deal

Mi, 1 Okt - Mi, 15 Okt

21:48 - 09:35BOS-LGW

6h 47mdirect

12:10 - 15:08LGW-BOS

7h 58mdirect

£342JetBlue

Find Deal

Di, 30 Sep - Sa, 11 Okt

19:25 - 09:15BOS-LHR

8h 50m1 stop

10:00 - 16:50LHR-BOS

11h 50m1 stop

£342Aer Lingus

Find Deal

Di, 17 Feb - Di, 24 Feb

18:35 - 09:05BOS-LHR

9h 30m1 stop

09:50 - 15:30LHR-BOS

10h 40m1 stop

£343Aer Lingus

Find Deal

Di, 14 Okt - So, 19 Okt

23:35 - 14:40BOS-LGW

10h 05m1 stop

15:40 - 22:00LGW-BOS

11h 20m1 stop

£351Icelandair

Find Deal

Mi, 8 Okt - Mi, 22 Okt

23:35 - 14:40BOS-LGW

10h 05m1 stop

15:40 - 22:00LGW-BOS

11h 20m1 stop

£363Icelandair

Find Deal

Di, 30 Sep - Di, 7 Okt

Aer Lingus flights from New Hampshire to London

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

Aer Lingus

17 Feb

BOS19:25Boston Logan Intl

8h 50m

1 stop

LHR09:15London Heathrow

24 Feb

LHR10:00London Heathrow

11h 50m

1 stop

BOS16:50Boston Logan Intl

£342

Find similar

Aer Lingus

14 Oct

BOS18:35Boston Logan Intl

9h 30m

1 stop

LHR09:05London Heathrow

19 Oct

LHR09:50London Heathrow

10h 40m

1 stop

BOS15:30Boston Logan Intl

£343

Find similar

Aer Lingus

20 Oct

BOS18:35Boston Logan Intl

9h 30m

1 stop

LHR09:05London Heathrow

2 Nov

LHR10:00London Heathrow

11h 50m

1 stop

BOS16:50Boston Logan Intl

£344

Find similar

Finnair flights from New Hampshire to London

Our best Finnair deals on New Hampshire to London flight tickets

Finnair

8 Oct

BOS20:10Boston Logan Intl

6h 40m

LHR07:50London Heathrow

15 Oct

LHR08:55London Heathrow

7h 30m

BOS11:25Boston Logan Intl

£359

Find similar

Finnair

28 Sept

BOS20:10Boston Logan Intl

6h 40m

LHR07:50London Heathrow

7 Oct

LHR08:55London Heathrow

7h 30m

BOS11:25Boston Logan Intl

£360

Find similar

Fly from

Fly to

Route

Depart

Return

Price

BostonLondon

BOS - LGW

BOSLGW

Boston Logan Intl

Mi 12/11

18:05-10:00

2 stops34h 55m

London Gatwick

Mo 24/11

21:25-14:45

2 stops22h 20m

£335

BostonLondon

BOS - LTN

BOSLTN

Boston Logan Intl

Mo 3/11

17:10-08:35

1 stop10h 25m

London Luton

Fr 14/11

05:50-13:55

1 stop13h 05m

£339

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Mi 19/11

23:55-11:25

Nonstop6h 30m

London Heathrow

Mo 24/11

13:05-16:00

Nonstop7h 55m

£341

BostonLondon

BOS - LGW

BOSLGW

Boston Logan Intl

Mo 20/10

21:48-09:35

Nonstop6h 47m

London Gatwick

Mi 22/10

12:10-15:08

Nonstop7h 58m

£341

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Mi 1/10

20:15-08:05

Nonstop6h 50m

London Heathrow

Mi 15/10

12:25-15:20

Nonstop7h 55m

£341

BostonLondon

BOS - LGW

BOSLGW

Boston Logan Intl

Di 30/9

21:48-09:35

Nonstop6h 47m

London Gatwick

Sa 11/10

12:10-15:08

Nonstop7h 58m

£342

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Di 17/2

19:25-09:15

1 stop8h 50m

London Heathrow

Di 24/2

10:00-16:50

1 stop11h 50m

£342

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Di 14/10

18:35-09:05

1 stop9h 30m

London Heathrow

So 19/10

09:50-15:30

1 stop10h 40m

£343

BostonLondon

BOS - LGW

BOSLGW

Boston Logan Intl

Mi 8/10

23:35-14:40

1 stop10h 05m

London Gatwick

Mi 22/10

15:40-22:00

1 stop11h 20m

£351

BostonLondon

BOS - LGW

BOSLGW

Boston Logan Intl

Di 30/9

23:35-14:40

1 stop10h 05m

London Gatwick

Di 7/10

15:40-22:00

1 stop11h 20m

£363

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 January. Flight prices, which tend to average around £397, are often lower during this time because this is during the off-season. The month of February is another great option to travel to London, with average flight prices from New Hampshire averaging around £398.

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 £467. When flying out on a Thursday, the most expensive travel day of the week, you can expect to see flight prices from New Hampshire to London for around £566.

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 £491. Flights in the afternoon are often more expensive, with an average ticket price of £662.

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 £470 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 £438 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	1 airport

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

Direct flights go from New Hampshire to London every day.

There is 1 airport near London: London Heathrow (LHR)

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 September 2025, there are 7 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.

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Maidstone

Gatwick

Slough

Canterbury

Southend-on-Sea

Ipswich

Ilford

Guildford

Colchester

Worthing

Chelmsford

Dover

Hayes

Dartford

Winchester

Hounslow

Stansted

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.