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

JetBlue, Virgin Atlantic, and Delta are the most popular carriers operating from New Hampshire to London Heathrow

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

As of June 2026, 209 flights take off from New Hampshire and land in London Heathrow Airport each week. The most common flight departure day for this route is Mon, with 17% of weekly flights taking off on this day.

How long does it take to fly to London Heathrow Airport?

If you’re flying from a popular airport in New Hampshire, such as Lebanon or Manchester, and flying into London Heathrow Airport, then you can expect flight times to average 9h 48m and 9h 59m, respectively.

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

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

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

As of June 2026, there are 9 operators available to choose from for flights from New Hampshire to London Heathrow Airport.

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

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 Heathrow Airport.

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

The travel and health documents required for your trip to London Heathrow Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at London Heathrow Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

£120 Cheap Flights from New Hampshire to London Heathrow Airport in 2026

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Find the cheapest flights from New Hampshire to London

Return

One-way

Last minute

Direct

Cheap return flights

Enter your travel dates to find the best prices.

06:05 - 06:25

PWM

LHR

19h 20m

1 stop

06:30 - 21:31

LHR

PWM

20h 01m

2 stops

£376Virgin Atlantic

Sat, 29 Aug - Sun, 6 Sep

06:05 - 06:25

PWM

LHR

19h 20m

1 stop

09:20 - 21:31

LHR

PWM

17h 11m

1 stop

£387Virgin Atlantic

Sat, 29 Aug - Sun, 6 Sep

06:05 - 06:25

PWM

LHR

19h 20m

1 stop

08:40 - 23:30

LHR

PWM

19h 50m

2 stops

£412Virgin Atlantic

Thu, 27 Aug - Thu, 10 Sep

06:05 - 06:25

PWM

LHR

19h 20m

1 stop

13:25 - 23:30

LHR

PWM

15h 05m

1 stop

£422Virgin Atlantic

Thu, 27 Aug - Thu, 10 Sep

14:50 - 06:55

MHT

LHR

11h 05m

1 stop

06:50 - 19:01

LHR

MHT

17h 11m

2 stops

£558United Airlines

Sun, 27 Sep - Tue, 29 Sep

14:32 - 10:50

MHT

LHR

15h 18m

1 stop

06:50 - 23:57

LHR

MHT

22h 07m

2 stops

£559United Airlines

Mon, 9 Nov - Wed, 11 Nov

21:40 - 13:00

BOS

LHR

10h 20m

1 stop

17:35 - 20:05

LHR

BOS

7h 30mdirect

£574Multiple Airlines

Thu, 8 Oct - Tue, 13 Oct

22:55 - 09:10

BOS

LHR

29h 15m

1 stop

20:50 - 21:45

LHR

BOS

29h 55m

1 stop

£575LEVEL

Wed, 15 Jul - Wed, 22 Jul

18:39 - 06:30

BOS

LHR

6h 51mdirect

09:15 - 16:10

LHR

BOS

11h 55m

1 stop

£576Multiple Airlines

Wed, 22 Jul - Wed, 19 Aug

17:40 - 21:35

BOS

LHR

22h 55m

2 stops

06:40 - 15:35

LHR

BOS

13h 55m

1 stop

£580Scandinavian Airlines

Wed, 2 Sep - Thu, 10 Sep

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United Airlines flights from New Hampshire to London Heathrow Airport

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

United Airlines

27 Sept

MHT14:50Manchester

11h 05m

1 stop

LHR06:55London Heathrow

29 Sept

LHR06:50London Heathrow

17h 11m

2 stops

MHT19:01Manchester

£558

United Airlines

9 Nov

MHT14:32Manchester

15h 18m

1 stop

LHR10:50London Heathrow

11 Nov

LHR06:50London Heathrow

22h 07m

2 stops

MHT23:57Manchester

£559

United Airlines

27 Sept

MHT19:41Manchester

20h 54m

2 stops

LHR21:35London Heathrow

29 Sept

LHR11:05London Heathrow

36h 56m

2 stops

MHT19:01Manchester

£562

TAP AIR PORTUGAL flights from New Hampshire to London Heathrow Airport

Our best TAP AIR PORTUGAL deals on New Hampshire to London Heathrow Airport flight tickets

TAP AIR PORTUGAL

4 Nov

BOS18:00Boston Logan Intl

16h 30m

1 stop

LHR15:30London Heathrow

10 Nov

LHR08:15London Heathrow

17h 30m

2 stops

BOS20:45Boston Logan Intl

£587

TAP AIR PORTUGAL

4 Nov

BOS18:00Boston Logan Intl

16h 30m

1 stop

LHR15:30London Heathrow

10 Nov

LHR08:15London Heathrow

17h 30m

2 stops

BOS20:45Boston Logan Intl

£588

momondo Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

PortlandLondon

PWM - LHR

PWMLHR

Portland

Sat 29/8

06:05-06:25

1 stop19h 20m

London Heathrow

Sun 6/9

06:30-21:31

2 stops20h 01m

£376

PortlandLondon

PWM - LHR

PWMLHR

Portland

Sat 29/8

06:05-06:25

1 stop19h 20m

London Heathrow

Sun 6/9

09:20-21:31

1 stop17h 11m

£387

PortlandLondon

PWM - LHR

PWMLHR

Portland

Thu 27/8

06:05-06:25

1 stop19h 20m

London Heathrow

Thu 10/9

08:40-23:30

2 stops19h 50m

£412

PortlandLondon

PWM - LHR

PWMLHR

Portland

Thu 27/8

06:05-06:25

1 stop19h 20m

London Heathrow

Thu 10/9

13:25-23:30

1 stop15h 05m

£422

ManchesterLondon

MHT - LHR

MHTLHR

Manchester

Sun 27/9

14:50-06:55

1 stop11h 05m

London Heathrow

Tue 29/9

06:50-19:01

2 stops17h 11m

£558

ManchesterLondon

MHT - LHR

MHTLHR

Manchester

Mon 9/11

14:32-10:50

1 stop15h 18m

London Heathrow

Wed 11/11

06:50-23:57

2 stops22h 07m

£559

Fastest return journey

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Thu 8/10

21:40-13:00

1 stop10h 20m

London Heathrow

Tue 13/10

17:35-20:05

Nonstop7h 30m

£574

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Wed 15/7

22:55-09:10

1 stop29h 15m

London Heathrow

Wed 22/7

20:50-21:45

1 stop29h 55m

£575

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Wed 22/7

18:39-06:30

Nonstop6h 51m

London Heathrow

Wed 19/8

09:15-16:10

1 stop11h 55m

£576

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Wed 2/9

17:40-21:35

2 stops22h 55m

London Heathrow

Thu 10/9

06:40-15:35

1 stop13h 55m

£580

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 Heathrow Airport

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 day to depart on your flight to London Heathrow Airport?

On average, the least expensive day to fly to London Heathrow Airport from New Hampshire is on a Tuesday. momondo users have found tickets for Tuesday departures for as low as £416. However, this price may fluctuate depending on the airline, the season, and holidays. Be sure to avoid booking your departure on a Saturday as prices are generally higher than usual. According to our data, the average ticket price to London Heathrow Airport on Saturday is £580.

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

According to our data, the cheapest time of day to fly to London Heathrow Airport is in the afternoon. momondo users have found flights departing from New Hampshire to London Heathrow Airport in the afternoon for as low as £409. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are £571 on average. Flights to London Heathrow Airport from New Hampshire in the morning are generally more expensive because this time of day is more convenient for travellers’ schedules.

How far in advance should I book a flight from New Hampshire to London Heathrow Airport?

You are more likely to see cheaper flights to London Heathrow Airport from New Hampshire when booking weeks ahead of your departure date. In general, you can expect to find flights to London Heathrow Airport for around £501 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London Heathrow Airport from New Hampshire for as low as £449 on momondo.

Cheap New Hampshire to London Heathrow Airport flight deals and tips

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

Fastest flight time	6h 30m
Direct flights	Every day

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

Direct flights go from New Hampshire to London Heathrow Airport every day.

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Frequently asked questions about flying from New Hampshire to London Heathrow Airport

When did momondo last update prices for flights from New Hampshire to London Heathrow Airport?
Prices for flights from New Hampshire to London Heathrow Airport are refreshed on a daily basis.
How many operators does momondo search for flights from New Hampshire to London Heathrow Airport?
As of June 2026, there are 9 operators available to choose from for flights from New Hampshire to London Heathrow Airport.
How old do you have to be to fly from New Hampshire to London Heathrow Airport?
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 Heathrow Airport.
What documentation or ID do you need to fly to London Heathrow Airport?
The travel and health documents required for your trip to London Heathrow Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at London Heathrow Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Eastbourne

Wembley

Milton Keynes

Gatwick

Luton

Stratford-upon-Avon

Slough

Southend-on-Sea

Maidstone

Northampton

Ipswich

Swindon

Ilford

Canterbury

Folkestone

Poole

Guildford

Hayes

Chichester

Bedford

Why use momondo?

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

Finding the right flight to London from New Hampshire is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to London quick and easy, saving you time and money.

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

Yes. All flights to London from New Hampshire on momondo can be compared and filtered by various policies on offer, including flexible booking.

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?

Of course. momondo tracks the price of New Hampshire to London flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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Cheap flights from New Hampshire to London from £241

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 12/7. 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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United Airlines flights from New Hampshire to London Heathrow Airport

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

TAP AIR PORTUGAL flights from New Hampshire to London Heathrow Airport

Our best TAP AIR PORTUGAL deals on New Hampshire to London Heathrow Airport flight tickets

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

See travel insights to London from

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

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

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

How far in advance should I book a flight from New Hampshire to London Heathrow Airport?

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

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

How long does it take to fly to London Heathrow Airport?

Cheap New Hampshire to London Heathrow Airport flight deals and tips

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

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Frequently asked questions about flying from New Hampshire to London Heathrow Airport

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An easier way to manage your London Heathrow Airport trip

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