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 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 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 you'll need for your trip to London Heathrow Airport 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 Heathrow Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

C$ 419 Cheap Flights from New York LaGuardia Airport to London Heathrow Airport in 2026/27

Find the cheapest flights from New York LaGuardia Airport to London

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One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

1:10 p.m. - 7:10 a.m.LGA New York LaGuardia-LHR London Heathrow

13h 00m1 stop Montreal Pierre Elliott Trudeau Intl

6:00 a.m. - 9:30 p.m.LHR London Heathrow-LGA New York LaGuardia

20h 30m2 stops Zurich Montreal Pierre Elliott Trudeau Intl

C$ 963Multiple Airlines

Tue, 24 Nov - Thu, 26 Nov

1:10 p.m. - 7:10 a.m.LGA New York LaGuardia-LHR London Heathrow

13h 00m1 stop Montreal Pierre Elliott Trudeau Intl

7:00 a.m. - 6:44 p.m.LHR London Heathrow-LGA New York LaGuardia

16h 44m2 stops Geneva Geneve-Cointrin Washington, D.C. Dulles Intl

C$ 977United Airlines

Sun, 6 Dec - Tue, 8 Dec

10:35 a.m. - 7:10 a.m.LGA New York LaGuardia-LHR London Heathrow

15h 35m1 stop Montreal Pierre Elliott Trudeau Intl

6:50 a.m. - 6:45 p.m.LHR London Heathrow-LGA New York LaGuardia

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

C$ 983United Airlines

Wed, 18 Nov - Fri, 20 Nov

2:55 p.m. - 10:50 a.m.LGA New York LaGuardia-LHR London Heathrow

14h 55m1 stop Washington, D.C. Dulles Intl

6:50 a.m. - 6:44 p.m.LHR London Heathrow-LGA New York LaGuardia

16h 54m2 stops Brussels Bruxelles-National Washington, D.C. Dulles Intl

C$ 984United Airlines

Fri, 4 Dec - Sun, 6 Dec

4:12 p.m. - 7:10 a.m.LGA New York LaGuardia-LHR London Heathrow

33h 58m2 stops Chicago O'Hare Intl Montreal Pierre Elliott Trudeau Intl

7:00 a.m. - 11:34 p.m.LHR London Heathrow-LGA New York LaGuardia

21h 34m2 stops Geneva Geneve-Cointrin Washington, D.C. Dulles Intl

C$ 991United Airlines

Tue, 17 Nov - Fri, 20 Nov

1:10 p.m. - 7:10 a.m.LGA New York LaGuardia-LHR London Heathrow

13h 00m1 stop Montreal Pierre Elliott Trudeau Intl

7:00 a.m. - 6:45 p.m.LHR London Heathrow-LGA New York LaGuardia

16h 45m2 stops Geneva Geneve-Cointrin Washington, D.C. Dulles Intl

C$ 994United Airlines

Sat, 30 Jan - Mon, 1 Feb

3:30 p.m. - 7:10 a.m.LGA New York LaGuardia-LHR London Heathrow

10h 40m1 stop Montreal Pierre Elliott Trudeau Intl

6:50 a.m. - 6:45 p.m.LHR London Heathrow-LGA New York LaGuardia

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

C$ 1,005United Airlines

Fri, 5 Feb - Sun, 7 Feb

1:10 p.m. - 7:10 a.m.LGA New York LaGuardia-LHR London Heathrow

13h 00m1 stop Montreal Pierre Elliott Trudeau Intl

9:30 a.m. - 6:45 p.m.LHR London Heathrow-LGA New York LaGuardia

14h 15m2 stops Frankfurt am Main Washington, D.C. Dulles Intl

C$ 1,009United Airlines

Wed, 25 Nov - Thu, 26 Nov

1:10 p.m. - 7:55 a.m.LGA New York LaGuardia-LHR London Heathrow

13h 45m1 stop Chicago O'Hare Intl

7:30 a.m. - 9:29 p.m.LHR London Heathrow-LGA New York LaGuardia

18h 59m2 stops Frankfurt am Main Chicago O'Hare Intl

C$ 1,011United Airlines

Fri, 4 Dec - Sun, 6 Dec

3:30 p.m. - 7:10 a.m.LGA New York LaGuardia-LHR London Heathrow

10h 40m1 stop Montreal Pierre Elliott Trudeau Intl

9:30 a.m. - 11:44 p.m.LHR London Heathrow-LGA New York LaGuardia

19h 14m2 stops Frankfurt am Main Washington, D.C. Dulles Intl

C$ 1,025United Airlines

Sun, 21 Feb - Mon, 22 Feb

Cheap last-minute flights

Enter your travel dates to find the best prices.

10:27 a.m. - 6:40 a.m.LGA New York LaGuardia-LHR London Heathrow

15h 13m1 stop Washington, D.C. Dulles Intl

9:00 a.m. - 9:30 p.m.LHR London Heathrow-LGA New York LaGuardia

17h 30m2 stops Zurich Montreal Pierre Elliott Trudeau Intl

C$ 1,138Multiple Airlines

Thu, 5 Nov - Tue, 10 Nov

10:35 a.m. - 7:10 a.m.LGA New York LaGuardia-LHR London Heathrow

15h 35m1 stop Montreal Pierre Elliott Trudeau Intl

9:00 a.m. - 7:06 p.m.LHR London Heathrow-LGA New York LaGuardia

15h 06m2 stops Zurich Montreal Pierre Elliott Trudeau Intl

C$ 1,141Air Canada

Mon, 9 Nov - Mon, 16 Nov

2:59 p.m. - 6:40 a.m.LGA New York LaGuardia-LHR London Heathrow

10h 41m1 stop Washington, D.C. Dulles Intl

6:00 a.m. - 9:30 p.m.LHR London Heathrow-LGA New York LaGuardia

20h 30m2 stops Zurich Montreal Pierre Elliott Trudeau Intl

C$ 1,142Multiple Airlines

Thu, 5 Nov - Thu, 26 Nov

6:00 a.m. - 10:50 a.m.LGA New York LaGuardia-LHR London Heathrow

23h 50m1 stop Washington, D.C. Dulles Intl

1:00 p.m. - 12:23 p.m.LHR London Heathrow-LGA New York LaGuardia

28h 23m1 stop Montreal Pierre Elliott Trudeau Intl

C$ 1,143United Airlines

Thu, 5 Nov - Sun, 8 Nov

6:00 a.m. - 10:50 a.m.LGA New York LaGuardia-LHR London Heathrow

23h 50m1 stop Washington, D.C. Dulles Intl

1:00 p.m. - 9:56 a.m.LHR London Heathrow-LGA New York LaGuardia

25h 56m1 stop Montreal Pierre Elliott Trudeau Intl

C$ 1,145United Airlines

Fri, 6 Nov - Tue, 10 Nov

2:59 p.m. - 10:50 a.m.LGA New York LaGuardia-LHR London Heathrow

14h 51m1 stop Washington, D.C. Dulles Intl

6:00 a.m. - 4:48 p.m.LHR London Heathrow-LGA New York LaGuardia

15h 48m2 stops Vienna Intl Montreal Pierre Elliott Trudeau Intl

C$ 1,146Multiple Airlines

Sat, 7 Nov - Mon, 16 Nov

3:29 p.m. - 12:00 p.m.LGA New York LaGuardia-LHR London Heathrow

15h 31m1 stop Chicago O'Hare Intl

6:35 a.m. - 7:03 p.m.LHR London Heathrow-LGA New York LaGuardia

17h 28m2 stops Munich Franz Josef Strauss Toronto Pearson Intl

C$ 1,159United Airlines

Wed, 4 Nov - Wed, 11 Nov

3:30 p.m. - 7:10 a.m.LGA New York LaGuardia-LHR London Heathrow

10h 40m1 stop Montreal Pierre Elliott Trudeau Intl

6:50 a.m. - 6:45 p.m.LHR London Heathrow-LGA New York LaGuardia

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

C$ 1,161United Airlines

Sun, 8 Nov - Sun, 15 Nov

2:59 p.m. - 6:40 a.m.LGA New York LaGuardia-LHR London Heathrow

10h 41m1 stop Washington, D.C. Dulles Intl

6:50 a.m. - 6:45 p.m.LHR London Heathrow-LGA New York LaGuardia

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

C$ 1,163United Airlines

Fri, 6 Nov - Tue, 10 Nov

6:17 p.m. - 12:00 p.m.LGA New York LaGuardia-LHR London Heathrow

12h 43m1 stop Chicago O'Hare Intl

6:50 a.m. - 8:19 p.m.LHR London Heathrow-LGA New York LaGuardia

18h 29m2 stops Brussels Bruxelles-National Chicago O'Hare Intl

C$ 1,164United Airlines

Fri, 6 Nov - Mon, 9 Nov

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United Airlines flights from New York LaGuardia Airport to London Heathrow Airport

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

United Airlines

6 Dec

LGA1:10 p.m.New York LaGuardia

13h 00m

1 stop

LHR7:10 a.m.London Heathrow

8 Dec

LHR7:00 a.m.London Heathrow

16h 44m

2 stops

LGA6:44 p.m.New York LaGuardia

C$ 977

United Airlines

16 Nov

LGA10:35 a.m.New York LaGuardia

15h 35m

1 stop

LHR7:10 a.m.London Heathrow

18 Nov

LHR6:50 a.m.London Heathrow

16h 55m

2 stops

LGA6:45 p.m.New York LaGuardia

C$ 983

United Airlines

4 Dec

LGA2:55 p.m.New York LaGuardia

14h 55m

1 stop

LHR10:50 a.m.London Heathrow

6 Dec

LHR6:50 a.m.London Heathrow

16h 54m

2 stops

LGA6:44 p.m.New York LaGuardia

C$ 984

KLM flights from New York LaGuardia Airport to London Heathrow Airport

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

KLM

16 Nov

LGA4:00 p.m.New York LaGuardia

9h 50m

1 stop

LHR6:50 a.m.London Heathrow

22 Nov

LHR5:20 p.m.London Heathrow

11h 06m

1 stop

LGA11:26 p.m.New York LaGuardia

C$ 1,206

KLM

6 Nov

LGA4:00 p.m.New York LaGuardia

9h 50m

1 stop

LHR6:50 a.m.London Heathrow

11 Nov

LHR5:20 p.m.London Heathrow

11h 06m

1 stop

LGA11:26 p.m.New York LaGuardia

C$ 1,230

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 round-trip

New YorkLondon

LGA New York LaGuardia - LHR London Heathrow

LGALHR

New York LaGuardia

Tue 24/11

1:10 p.m.-7:10 a.m.

1 stop13h 00m

London Heathrow

Thu 26/11

6:00 a.m.-9:30 p.m.

2 stops20h 30m

C$ 963

New YorkLondon

LGA New York LaGuardia - LHR London Heathrow

LGALHR

New York LaGuardia

Sun 6/12

1:10 p.m.-7:10 a.m.

1 stop13h 00m

London Heathrow

Tue 8/12

7:00 a.m.-6:44 p.m.

2 stops16h 44m

C$ 977

New YorkLondon

LGA New York LaGuardia - LHR London Heathrow

LGALHR

New York LaGuardia

Wed 18/11

10:35 a.m.-7:10 a.m.

1 stop15h 35m

London Heathrow

Fri 20/11

6:50 a.m.-6:45 p.m.

2 stops16h 55m

C$ 983

New YorkLondon

LGA New York LaGuardia - LHR London Heathrow

LGALHR

New York LaGuardia

Fri 4/12

2:55 p.m.-10:50 a.m.

1 stop14h 55m

London Heathrow

Sun 6/12

6:50 a.m.-6:44 p.m.

2 stops16h 54m

C$ 984

New YorkLondon

LGA New York LaGuardia - LHR London Heathrow

LGALHR

New York LaGuardia

Tue 17/11

4:12 p.m.-7:10 a.m.

2 stops33h 58m

London Heathrow

Fri 20/11

7:00 a.m.-11:34 p.m.

2 stops21h 34m

C$ 991

New YorkLondon

LGA New York LaGuardia - LHR London Heathrow

LGALHR

New York LaGuardia

Sat 30/1

1:10 p.m.-7:10 a.m.

1 stop13h 00m

London Heathrow

Mon 1/2

7:00 a.m.-6:45 p.m.

2 stops16h 45m

C$ 994

New YorkLondon

LGA New York LaGuardia - LHR London Heathrow

LGALHR

New York LaGuardia

Fri 5/2

3:30 p.m.-7:10 a.m.

1 stop10h 40m

London Heathrow

Sun 7/2

6:50 a.m.-6:45 p.m.

2 stops16h 55m

C$ 1,005

Quickest round-trip

New YorkLondon

LGA New York LaGuardia - LHR London Heathrow

LGALHR

New York LaGuardia

Wed 25/11

1:10 p.m.-7:10 a.m.

1 stop13h 00m

London Heathrow

Thu 26/11

9:30 a.m.-6:45 p.m.

2 stops14h 15m

C$ 1,009

New YorkLondon

LGA New York LaGuardia - LHR London Heathrow

LGALHR

New York LaGuardia

Fri 4/12

1:10 p.m.-7:55 a.m.

1 stop13h 45m

London Heathrow

Sun 6/12

7:30 a.m.-9:29 p.m.

2 stops18h 59m

C$ 1,011

New YorkLondon

LGA New York LaGuardia - LHR London Heathrow

LGALHR

New York LaGuardia

Sun 21/2

3:30 p.m.-7:10 a.m.

1 stop10h 40m

London Heathrow

Mon 22/2

9:30 a.m.-11:44 p.m.

2 stops19h 14m

C$ 1,024

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 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 typical price of a round-trip flight between New York LaGuardia Airport and London Heathrow Airport?

Prices are currently typical for flights on this route.

Typical prices usually range from C$ 721 to C$ 1,153.
The lowest price recently found on this route was C$ 963.

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

The month of April is, on average, the cheapest month to fly to London Heathrow Airport from New York LaGuardia Airport, with most prices found around C$ 769. If you aren’t able to travel to London Heathrow Airport during the month of April, then flying in February is also cheap. Prices for this month can be found on momondo for an average of C$ 920.

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

According to our data, Saturday is the cheapest day to fly to London Heathrow Airport from New York LaGuardia Airport. The lowest ticket price found for a Saturday departure recently was C$ 1,064. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. When flying out on a Friday, the most expensive travel day of the week, you can expect to see flight prices from New York LaGuardia Airport to London Heathrow Airport for around C$ 1,297.

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

Our data shows that the cheapest New York LaGuardia Airport to London Heathrow Airport flights are usually those with departure times in the afternoon. Our users have found flights to London Heathrow Airport in the afternoon for as low as C$ 1,106. In the morning is when there is more demand to fly to London Heathrow Airport, so prices are often more expensive at around C$ 1,194 per ticket.

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 round-trip 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

Best price found	C$ 419
Fastest flight time	10h 20m
Direct flights	None

The best one-way flight to London Heathrow Airport from New York LaGuardia Airport in the past 72 hours is C$ 419. The best round-trip flight deal from New York LaGuardia Airport to London Heathrow Airport found on momondo in the last 72 hours is C$ 963.

The fastest flight from New York LaGuardia Airport to London Heathrow Airport takes 10h 20m

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 straight-line distance from New York LaGuardia to London Heathrow is 5532.8 km. 10h 20m is a normal flight duration for this route.
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 are updated daily.
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 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 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 you'll need for your trip to London Heathrow Airport 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 Heathrow Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

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Northampton

Wembley

Crawley

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Eastbourne

Swindon

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Wokingham

Banbury

Ramsgate

Kenilworth

Cobham

Watford

Feltham

Waterlooville

Dartford

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

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Cheap flights from New York LaGuardia Airport to London from C$ 419

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United Airlines flights from New York LaGuardia Airport to London Heathrow Airport

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

KLM flights from New York LaGuardia Airport to London Heathrow Airport

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

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.

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

What is the typical price of a round-trip flight between New York LaGuardia Airport and London Heathrow Airport?

What is the cheapest month to fly 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?

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

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

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

Best price found

Fastest flight time

Direct flights

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

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