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

United Airlines and Delta are the most popular carriers operating from New York LaGuardia to London Heathrow

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

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from New York LaGuardia Airport 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.

£152 Cheap Flights from New York LaGuardia Airport to London Heathrow Airport in 2026

Find the cheapest flights from New York LaGuardia Airport to London

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One-way

Last minute

Cheap return flights

Enter your travel dates to find the best prices.

15:15 - 07:10LGA New York LaGuardia-LHR London Heathrow

10h 55m1 stop Montreal Pierre Elliott Trudeau Intl

13:00 - 21:31LHR London Heathrow-LGA New York LaGuardia

13h 31m1 stop Montreal Pierre Elliott Trudeau Intl

£405Air Canada

Sat, 7 Nov - Sun, 22 Nov

16:00 - 09:35LGA New York LaGuardia-LHR London Heathrow

12h 35m1 stop Toronto Pearson Intl

14:05 - 19:36LHR London Heathrow-LGA New York LaGuardia

10h 31m1 stop Montreal Pierre Elliott Trudeau Intl

£409Air Canada

Thu, 24 Sep - Mon, 28 Sep

12:45 - 08:30LGA New York LaGuardia-LHR London Heathrow

14h 45m1 stop Toronto Pearson Intl

13:00 - 19:06LHR London Heathrow-LGA New York LaGuardia

11h 06m1 stop Montreal Pierre Elliott Trudeau Intl

£416Air Canada

Sat, 7 Nov - Sun, 22 Nov

13:10 - 07:10LGA New York LaGuardia-LHR London Heathrow

13h 00m1 stop Montreal Pierre Elliott Trudeau Intl

13:00 - 19:06LHR London Heathrow-LGA New York LaGuardia

11h 06m1 stop Montreal Pierre Elliott Trudeau Intl

£416Air Canada

Sun, 8 Nov - Thu, 12 Nov

19:05 - 11:50LGA New York LaGuardia-LHR London Heathrow

11h 45m1 stop Toronto Pearson Intl

13:00 - 21:31LHR London Heathrow-LGA New York LaGuardia

12h 31m1 stop Montreal Pierre Elliott Trudeau Intl

£418Air Canada

Wed, 21 Oct - Mon, 26 Oct

16:20 - 08:30LGA New York LaGuardia-LHR London Heathrow

11h 10m1 stop Toronto Pearson Intl

13:00 - 21:31LHR London Heathrow-LGA New York LaGuardia

13h 31m1 stop Montreal Pierre Elliott Trudeau Intl

£423Air Canada

Thu, 5 Nov - Thu, 19 Nov

15:15 - 07:10LGA New York LaGuardia-LHR London Heathrow

11h 55m1 stop Montreal Pierre Elliott Trudeau Intl

13:00 - 21:31LHR London Heathrow-LGA New York LaGuardia

13h 31m1 stop Montreal Pierre Elliott Trudeau Intl

£436Air Canada

Sat, 31 Oct - Sun, 15 Nov

11:35 - 06:35LGA New York LaGuardia-LHR London Heathrow

14h 00m1 stop Toronto Pearson Intl

08:30 - 15:46LHR London Heathrow-LGA New York LaGuardia

12h 16m1 stop Toronto Pearson Intl

£446Air Canada

Thu, 3 Sep - Tue, 29 Sep

17:09 - 10:25LGA New York LaGuardia-LHR London Heathrow

12h 16m1 stop Toronto Pearson Intl

17:15 - 08:50LHR London Heathrow-LGA New York LaGuardia

20h 35m1 stop Toronto Pearson Intl

£477British Airways

Wed, 4 Nov - Wed, 18 Nov

17:10 - 10:15LGA New York LaGuardia-LHR London Heathrow

12h 05m1 stop Toronto Pearson Intl

17:15 - 08:50LHR London Heathrow-LGA New York LaGuardia

20h 35m1 stop Toronto Pearson Intl

£478British Airways

Sat, 17 Oct - Sun, 8 Nov

Cheap last-minute flights

Enter your travel dates to find the best prices.

15:30 - 10:00LGA New York LaGuardia-LHR London Heathrow

13h 30m1 stop Montreal Pierre Elliott Trudeau Intl

06:50 - 15:45LHR London Heathrow-LGA New York LaGuardia

13h 55m2 stops Brussels Bruxelles-National Toronto Pearson Intl

£535Air Canada

Tue, 11 Aug - Thu, 13 Aug

15:30 - 10:00LGA New York LaGuardia-LHR London Heathrow

13h 30m1 stop Montreal Pierre Elliott Trudeau Intl

06:50 - 18:45LHR London Heathrow-LGA New York LaGuardia

16h 55m2 stops Brussels Bruxelles-National Washington, D.C. Dulles Intl

£537United Airlines

Mon, 10 Aug - Wed, 12 Aug

17:35 - 10:00LGA New York LaGuardia-LHR London Heathrow

11h 25m1 stop Montreal Pierre Elliott Trudeau Intl

06:50 - 18:45LHR London Heathrow-LGA New York LaGuardia

16h 55m2 stops Brussels Bruxelles-National Washington, D.C. Dulles Intl

£537United Airlines

Mon, 10 Aug - Wed, 12 Aug

17:35 - 10:00LGA New York LaGuardia-LHR London Heathrow

11h 25m1 stop Montreal Pierre Elliott Trudeau Intl

06:50 - 18:45LHR London Heathrow-LGA New York LaGuardia

16h 55m2 stops Brussels Bruxelles-National Washington, D.C. Dulles Intl

£537United Airlines

Mon, 10 Aug - Wed, 12 Aug

15:30 - 10:00LGA New York LaGuardia-LHR London Heathrow

13h 30m1 stop Montreal Pierre Elliott Trudeau Intl

06:50 - 18:45LHR London Heathrow-LGA New York LaGuardia

16h 55m2 stops Brussels Bruxelles-National Washington, D.C. Dulles Intl

£537United Airlines

Mon, 10 Aug - Wed, 12 Aug

17:35 - 10:00LGA New York LaGuardia-LHR London Heathrow

11h 25m1 stop Montreal Pierre Elliott Trudeau Intl

06:50 - 20:59LHR London Heathrow-LGA New York LaGuardia

19h 09m2 stops Brussels Bruxelles-National Toronto Pearson Intl

£539Air Canada

Tue, 11 Aug - Thu, 13 Aug

10:40 - 06:30LGA New York LaGuardia-LHR London Heathrow

14h 50m1 stop Montreal Pierre Elliott Trudeau Intl

09:30 - 23:30LHR London Heathrow-LGA New York LaGuardia

19h 00m2 stops Frankfurt am Main Washington, D.C. Dulles Intl

£552United Airlines

Tue, 11 Aug - Wed, 12 Aug

16:45 - 14:40LGA New York LaGuardia-LHR London Heathrow

16h 55m2 stops Toronto Pearson Intl Frankfurt am Main

09:30 - 19:40LHR London Heathrow-LGA New York LaGuardia

15h 10m1 stop Montreal Pierre Elliott Trudeau Intl

£567Lufthansa

Mon, 10 Aug - Wed, 12 Aug

15:30 - 06:30LGA New York LaGuardia-LHR London Heathrow

10h 00m1 stop Montreal Pierre Elliott Trudeau Intl

09:30 - 14:37LHR London Heathrow-LGA New York LaGuardia

10h 07m1 stop Montreal Pierre Elliott Trudeau Intl

£577Air Canada

Wed, 12 Aug - Wed, 19 Aug

16:45 - 08:35LGA New York LaGuardia-LHR London Heathrow

10h 50m1 stop Toronto Pearson Intl

14:05 - 19:40LHR London Heathrow-LGA New York LaGuardia

10h 35m1 stop Montreal Pierre Elliott Trudeau Intl

£577Air Canada

Mon, 10 Aug - Thu, 27 Aug

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Air Canada flights from New York LaGuardia Airport to London Heathrow Airport

Our best Air Canada deals on New York LaGuardia Airport to London Heathrow Airport flight tickets

Air Canada

7 Nov

LGA15:15New York LaGuardia

10h 55m

1 stop

LHR07:10London Heathrow

22 Nov

LHR13:00London Heathrow

13h 31m

1 stop

LGA21:31New York LaGuardia

£405

Air Canada

24 Sept

LGA16:00New York LaGuardia

12h 35m

1 stop

LHR09:35London Heathrow

28 Sept

LHR14:05London Heathrow

10h 31m

1 stop

LGA19:36New York LaGuardia

£409

Air Canada

7 Nov

LGA12:45New York LaGuardia

14h 45m

1 stop

LHR08:30London Heathrow

22 Nov

LHR13:00London Heathrow

11h 06m

1 stop

LGA19:06New York LaGuardia

£416

Lufthansa flights from New York LaGuardia Airport to London Heathrow Airport

Our best Lufthansa deals on New York LaGuardia Airport to London Heathrow Airport flight tickets

Lufthansa

24 Aug

LGA15:30New York LaGuardia

13h 30m

1 stop

LHR10:00London Heathrow

26 Aug

LHR07:30London Heathrow

19h 00m

2 stops

LGA21:30New York LaGuardia

£528

Lufthansa

26 Aug

LGA17:35New York LaGuardia

11h 25m

1 stop

LHR10:00London Heathrow

28 Aug

LHR09:30London Heathrow

17h 00m

2 stops

LGA21:30New York LaGuardia

£531

Lufthansa

18 Aug

LGA16:45New York LaGuardia

10h 50m

1 stop

LHR08:35London Heathrow

20 Aug

LHR06:30London Heathrow

21h 05m

2 stops

LGA22:35New York LaGuardia

£534

momondo Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

New YorkLondon

LGA New York LaGuardia - LHR London Heathrow

LGALHR

New York LaGuardia

Sat 7/11

15:15-07:10

1 stop10h 55m

London Heathrow

Sun 22/11

13:00-21:31

1 stop13h 31m

£405

Fastest return journey

New YorkLondon

LGA New York LaGuardia - LHR London Heathrow

LGALHR

New York LaGuardia

Thu 24/9

16:00-09:35

1 stop12h 35m

London Heathrow

Mon 28/9

14:05-19:36

1 stop10h 31m

£409

New YorkLondon

LGA New York LaGuardia - LHR London Heathrow

LGALHR

New York LaGuardia

Sat 7/11

12:45-08:30

1 stop14h 45m

London Heathrow

Sun 22/11

13:00-19:06

1 stop11h 06m

£416

New YorkLondon

LGA New York LaGuardia - LHR London Heathrow

LGALHR

New York LaGuardia

Sun 8/11

13:10-07:10

1 stop13h 00m

London Heathrow

Thu 12/11

13:00-19:06

1 stop11h 06m

£416

New YorkLondon

LGA New York LaGuardia - LHR London Heathrow

LGALHR

New York LaGuardia

Wed 21/10

19:05-11:50

1 stop11h 45m

London Heathrow

Mon 26/10

13:00-21:31

1 stop12h 31m

£418

New YorkLondon

LGA New York LaGuardia - LHR London Heathrow

LGALHR

New York LaGuardia

Thu 5/11

16:20-08:30

1 stop11h 10m

London Heathrow

Thu 19/11

13:00-21:31

1 stop13h 31m

£423

New YorkLondon

LGA New York LaGuardia - LHR London Heathrow

LGALHR

New York LaGuardia

Sat 31/10

15:15-07:10

1 stop11h 55m

London Heathrow

Sun 15/11

13:00-21:31

1 stop13h 31m

£436

New YorkLondon

LGA New York LaGuardia - LHR London Heathrow

LGALHR

New York LaGuardia

Thu 3/9

11:35-06:35

1 stop14h 00m

London Heathrow

Tue 29/9

08:30-15:46

1 stop12h 16m

£446

New YorkLondon

LGA New York LaGuardia - LHR London Heathrow

LGALHR

New York LaGuardia

Wed 4/11

17:09-10:25

1 stop12h 16m

London Heathrow

Wed 18/11

17:15-08:50

1 stop20h 35m

£477

New YorkLondon

LGA New York LaGuardia - LHR London Heathrow

LGALHR

New York LaGuardia

Sat 17/10

17:10-10:15

1 stop12h 05m

London Heathrow

Sun 8/11

17:15-08:50

1 stop20h 35m

£478

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 York LaGuardia Airport 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

What is the cheapest month to fly to London Heathrow Airport?

In general, November is the cheapest month to fly from New York LaGuardia Airport to London Heathrow Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around £393. The month of April is another great option to travel to London Heathrow Airport, with average flight prices from New York LaGuardia Airport averaging around £408.

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 York LaGuardia Airport is on a Monday. momondo users have found tickets for Monday departures for as low as £418. However, this price may fluctuate depending on the airline, the season, and holidays. Be sure to avoid booking your departure on a Friday as prices are generally higher than usual. According to our data, the average ticket price to London Heathrow Airport on Friday is £530.

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 morning. momondo users have found flights departing from New York LaGuardia Airport to London Heathrow Airport in the morning for as low as £472. 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 evening when prices are £486 on average. Flights to London Heathrow Airport from New York LaGuardia Airport in the evening are generally more expensive because this time of day is more convenient for travellers’ schedules.

When to book flights from New York LaGuardia Airport to London Heathrow Airport

Are you open to changing your travel dates? Check out the ideal times to fly from New York LaGuardia Airport to London Heathrow Airport according to our flight data. Find out which month and days have the cheapest flights.

Estimated return price

Cheap New York LaGuardia Airport to London Heathrow Airport (LGA to LHR) flight deals and tips

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

Fastest flight time	9h 30m
Direct flights	None

The fastest flight from New York LaGuardia Airport to London Heathrow Airport takes 9h 30m

There are no direct flights from New York LaGuardia Airport to London Heathrow Airport. There are no popular flight routes from New York LaGuardia Airport to London Heathrow Airport.

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Frequently asked questions about flying from New York LaGuardia Airport to London Heathrow Airport

How far is New York LaGuardia to London Heathrow by plane?
The distance between New York LaGuardia and London Heathrow is about 3438.0 mi. Flights usually cover this in 9h 30m, depending on flying conditions and air traffic around both airports.
When did momondo last update prices for flights from New York LaGuardia Airport to London Heathrow Airport?
Prices for flights from New York LaGuardia Airport to London Heathrow Airport were last updated today.
How old do you have to be to fly from New York LaGuardia Airport to London Heathrow Airport?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from New York LaGuardia Airport 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.

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Luton

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Slough

Northampton

Ipswich

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Swindon

Folkestone

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Poole

Canterbury

Guildford

Chichester

Hayes

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

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If you are simply researching potential flights to London, momondo offers a useful price alert feature which will track prices for flights to London from New York and alert you when they change.