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Cheap flights from New York LaGuardia Airport to London from £141

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 York LaGuardia Airport to London departing on 14/10. 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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Find the cheapest flights from New York LaGuardia Airport to London

Cheap return flights

Lufthansa Logo
15:30 - 06:30LGA-LHR
10h 00m1 stop
Lufthansa Logo
14:05 - 19:37LHR-LGA
10h 32m1 stop
£325Lufthansa
Find Deal
Wed, 15 Oct - Wed, 22 Oct
Air Canada Logo
13:05 - 07:10LGA-LHR
13h 05m1 stop
Air Canada Logo
11:10 - 22:33LHR-LGA
16h 23m1 stop
£330Air Canada
Find Deal
Thu, 6 Nov - Sun, 9 Nov
Air Canada Logo
10:35 - 07:10LGA-LHR
16h 35m1 stop
Air Canada Logo
13:25 - 19:03LHR-LGA
10h 38m1 stop
£342Air Canada
Find Deal
Wed, 29 Oct - Wed, 5 Nov
Air Canada Logo
19:05 - 09:35LGA-LHR
9h 30m1 stop
Air Canada Logo
09:30 - 14:47LHR-LGA
10h 17m1 stop
£349Air Canada
Find Deal
Tue, 14 Oct - Tue, 21 Oct
Logo
15:20 - 20:35LGA-LHR
24h 15m2 stops
Logo
06:50 - 14:43LHR-LGA
12h 53m2 stops
£350
Find Deal
Tue, 4 Nov - Sun, 9 Nov
Logo
17:35 - 07:10LGA-LHR
9h 35m1 stop
Logo
13:25 - 21:33LHR-LGA
13h 08m1 stop
£351
Find Deal
Tue, 28 Oct - Tue, 4 Nov
Lufthansa Logo
15:15 - 07:55LGA-LHR
12h 40m1 stop
Lufthansa Logo
13:25 - 19:03LHR-LGA
10h 38m1 stop
£352Lufthansa
Find Deal
Wed, 29 Oct - Wed, 5 Nov
Air Canada Logo
15:20 - 07:10LGA-LHR
10h 50m1 stop
Air Canada Logo
13:25 - 19:03LHR-LGA
10h 38m1 stop
£354Air Canada
Find Deal
Mon, 10 Nov - Tue, 18 Nov
United Airlines Logo
14:55 - 06:40LGA-LHR
10h 45m1 stop
United Airlines Logo
13:25 - 19:03LHR-LGA
10h 38m1 stop
£360United Airlines
Find Deal
Mon, 10 Nov - Tue, 18 Nov
United Airlines Logo
06:00 - 10:40LGA-LHR
23h 40m1 stop
United Airlines Logo
14:05 - 08:02LHR-LGA
22h 57m1 stop
£372United Airlines
Find Deal
Thu, 25 Sep - Wed, 1 Oct

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
15 Oct
LGA15:30New York LaGuardia
10h 00m
1 stop
LHR06:30London Heathrow
22 Oct
LHR14:05London Heathrow
10h 32m
1 stop
LGA19:37New York LaGuardia
£325
Find similar
Lufthansa
29 Oct
LGA15:15New York LaGuardia
12h 40m
1 stop
LHR07:55London Heathrow
5 Nov
LHR13:25London Heathrow
10h 38m
1 stop
LGA19:03New York LaGuardia
£352
Find similar
Lufthansa
8 Oct
LGA15:30New York LaGuardia
10h 00m
1 stop
LHR06:30London Heathrow
15 Oct
LHR15:50London Heathrow
11h 44m
1 stop
LGA22:34New York LaGuardia
£364
Find similar

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
10 Nov
LGA14:55New York LaGuardia
10h 45m
1 stop
LHR06:40London Heathrow
18 Nov
LHR13:25London Heathrow
10h 38m
1 stop
LGA19:03New York LaGuardia
£360
Find similar
United Airlines
25 Sept
LGA06:00New York LaGuardia
23h 40m
1 stop
LHR10:40London Heathrow
1 Oct
LHR14:05London Heathrow
22h 57m
1 stop
LGA08:02New York LaGuardia
£372
Find similar
United Airlines
19 Nov
LGA06:00New York LaGuardia
23h 50m
1 stop
LHR10:50London Heathrow
25 Nov
LHR18:00London Heathrow
21h 53m
1 stop
LGA10:53New York LaGuardia
£376
Find similar

momondo Fare Finder

 
Customise your flight search to find flights from New York LaGuardia Airport to London Heathrow Airport that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 279,928 searches. Data last updated 16 September 2025.
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

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Wed 15/10

15:30-06:30

1 stop10h 00m

London Heathrow

Wed 22/10

14:05-19:37

1 stop10h 32m

£325

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Thu 6/11

13:05-07:10

1 stop13h 05m

London Heathrow

Sun 9/11

11:10-22:33

1 stop16h 23m

£330

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Wed 29/10

10:35-07:10

1 stop16h 35m

London Heathrow

Wed 5/11

13:25-19:03

1 stop10h 38m

£342

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Tue 14/10

19:05-09:35

1 stop9h 30m

London Heathrow

Tue 21/10

09:30-14:47

1 stop10h 17m

£349

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Tue 4/11

15:20-20:35

2 stops24h 15m

London Heathrow

Sun 9/11

06:50-14:43

2 stops12h 53m

£350

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Tue 28/10

17:35-07:10

1 stop9h 35m

London Heathrow

Tue 4/11

13:25-21:33

1 stop13h 08m

£351

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Wed 29/10

15:15-07:55

1 stop12h 40m

London Heathrow

Wed 5/11

13:25-19:03

1 stop10h 38m

£352

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Mon 10/11

15:20-07:10

1 stop10h 50m

London Heathrow

Tue 18/11

13:25-19:03

1 stop10h 38m

£354

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Mon 10/11

14:55-06:40

1 stop10h 45m

London Heathrow

Tue 18/11

13:25-19:03

1 stop10h 38m

£360

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Thu 25/9

06:00-10:40

1 stop23h 40m

London Heathrow

Wed 1/10

14:05-08:02

1 stop22h 57m

£372

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to London from

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

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

In general, October 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 £308. The month of February is another great option to travel to London Heathrow Airport, with average flight prices from New York LaGuardia Airport averaging around £334.

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 Wednesday. momondo users have found tickets for Wednesday departures for as low as £423. 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 £484.

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 at midday. momondo users have found flights departing from New York LaGuardia Airport to London Heathrow Airport at midday for as low as £410. 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 afternoon when prices are £468 on average. Flights to London Heathrow Airport from New York LaGuardia Airport in the afternoon 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

Direct flights

None
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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  • 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.

Travelling to a place near London?

Book flights to London if you plan to visit one of these locations
Eastbourne
Luton
Milton Keynes
Maidstone
Gatwick
Slough
Northampton
Swindon
Canterbury
Stratford-upon-Avon
Southend-on-Sea
Ipswich
Ilford
Guildford
Swanage
Poole
Colchester
Worthing
Salisbury
Chelmsford

Why use momondo?

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

Finding the right flight to London from New York 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 York to London with flexible booking policies on momondo?

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

How can momondo help me find flights from New York 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 York to London.

I’m not ready to book a flight from New York to London right now. Can momondo alert me if prices change?

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.

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