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Cheap flights from New York LaGuardia Airport to London Heathrow Airport from £224

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 21/7. Fares are subject to change and may not be available on all flights or dates of travel.
LGA — LHR
5 Jun — 12 Jun1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from LaGuardia to Heathrow

Enter your travel dates to find the best prices.

Cheapest flights from LaGuardia to Heathrow
Explore the most affordable flight options available from LaGuardia to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 6 May 2026.

Thu 1/1016:50
LGA
-
LHR
1 stop12h 25m
British Airways
Tue 6/1017:05
LHR
-
LGA
1 stop32h 50m
British Airways
Deal found 1/5£491
Thu 1/1016:50
LGA
-
LHR
1 stop12h 25m
British Airways
Wed 28/1017:05
LHR
-
LGA
1 stop19h 55m
British Airways
Deal found 5/5£492
Tue 26/516:45
LGA
-
LHR
1 stop11h 50m
Air Canada
Sun 31/509:30
LHR
-
LGA
1 stop12h 28m
Air Canada
Deal found 6/5£504
Mon 17/808:13
LGA
-
LHR
1 stop20h 27m
British Airways
Mon 19/1017:05
LHR
-
LGA
1 stop32h 50m
British Airways
Deal found 3/5£532
Fri 25/921:10
LGA
-
LHR
1 stop16h 45m
British Airways
Mon 28/917:05
LHR
-
LGA
1 stop32h 50m
British Airways
Deal found 3/5£533
Sat 9/517:40
LGA
-
LHR
1 stop11h 20m
Multiple Airlines
Mon 11/519:30
LHR
-
LGA
2 stops29h 06m
Multiple Airlines
Deal found 3/5£535
Tue 5/515:30
LGA
-
LHR
1 stop10h 00m
Air Canada
Tue 12/509:30
LHR
-
LGA
1 stop10h 07m
Air Canada
Deal found 3/5£535
Wed 6/515:30
LGA
-
LHR
1 stop10h 00m
Air Canada
Sun 10/509:30
LHR
-
LGA
1 stop10h 08m
Air Canada
Deal found 6/5£536
Wed 30/916:50
LGA
-
LHR
1 stop12h 25m
British Airways
Fri 16/1010:05
LHR
-
LGA
1 stop15h 48m
British Airways
Deal found 6/5£537
Sat 2/515:30
LGA
-
LHR
1 stop10h 00m
Air Canada
Fri 8/509:30
LHR
-
LGA
1 stop10h 08m
Air Canada
Deal found 1/5£538
Sat 2/515:30
LGA
-
LHR
1 stop10h 00m
Air Canada
Wed 6/509:30
LHR
-
LGA
1 stop10h 08m
Air Canada
Deal found 2/5£538
Sun 3/515:30
LGA
-
LHR
1 stop10h 00m
Air Canada
Thu 7/514:05
LHR
-
LGA
1 stop10h 31m
Air Canada
Deal found 3/5£539

Find flight deals from LaGuardia to Heathrow

Discover tips and strategies to find the most affordable flight options for your journey from LaGuardia (LGA) to Heathrow (LHR). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 6 May 2026.

Round-trip from

£491

One-way from

£224

Popular in

December

Cheapest in

August

Average price

£552
British Airways
  • British Airways
  • 1/10-6/10
  • 2 total stops
  • 45h 15m total
  • New York to London
Search Deals
Virgin Atlantic
  • Virgin Atlantic
  • 21/7
  • 1 total stop
  • 10h 41m total
  • New York to London
Search Deals
Highest demand for flights based on searches. 15% potential increase in price (£64 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease (£19 potential savings vs. average return price).
Search Deals
Average for round-trip flights in May 2026
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from LaGuardia to Heathrow 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, Cheapflights users made 858,174 searches. Data last updated 6 May 2026.
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 - LHR

LGALHR

New York LaGuardia

Mon 12/10

10:29-06:55

1 stop15h 26m

London Heathrow

Sat 17/10

09:30-16:56

1 stop12h 26m

£566

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Wed 19/8

15:30-06:30

1 stop10h 00m

London Heathrow

Mon 31/8

14:05-19:37

1 stop10h 32m

£567

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Mon 2/11

15:30-07:10

1 stop10h 40m

London Heathrow

Fri 20/11

13:00-19:42

1 stop11h 42m

£567

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Sun 23/8

16:00-10:40

1 stop13h 40m

London Heathrow

Sat 5/12

06:30-17:42

2 stops16h 12m

£569

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Mon 18/5

17:40-10:00

1 stop11h 20m

London Heathrow

Fri 22/5

16:40-23:30

1 stop11h 50m

£594

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Fri 7/8

17:00-10:40

1 stop12h 40m

London Heathrow

Fri 14/8

08:55-18:30

2 stops14h 35m

£677

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Mon 1/6

19:28-06:55

1 stop30h 27m

London Heathrow

Wed 1/7

09:30-08:00

1 stop27h 30m

£702
Fastest return journey

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Sat 6/6

15:30-06:30

1 stop10h 00m

London Heathrow

Wed 22/7

09:30-14:37

1 stop10h 07m

£715

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Mon 29/6

19:55-11:50

1 stop10h 55m

London Heathrow

Mon 6/7

08:30-14:59

1 stop11h 29m

£722

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Sun 7/6

15:30-06:30

1 stop10h 00m

London Heathrow

Fri 12/6

09:30-14:37

1 stop10h 07m

£775

Flights are sorted by cheapest return flights first.

Deals found on 4/5

Showing 1-10 of 23 resultsSorted by cheapest first
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Best time to book a flight from LaGuardia to Heathrow

Have a flexible travel schedule? Discover the best time to fly to Heathrow from LaGuardia with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from New York LaGuardia Airport to London Heathrow Airport

What is the cheapest month to book a flight from New York LaGuardia Airport to London Heathrow Airport?

Currently, August is the cheapest month in which you can book a flight from New York LaGuardia Airport to London Heathrow Airport (average of £374). Flying from New York LaGuardia Airport to London Heathrow Airport in December is currently the most expensive (average of £759). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

How much does it cost for a return flight from New York LaGuardia Airport to London Heathrow Airport?

Related info for your journey

Find useful and relevant information for your journey from LaGuardia to Heathrow. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from New York LaGuardia Airport to London Heathrow Airport?

    Airlines like United Airlines, Lufthansa, and Virgin Atlantic fly from New York LaGuardia Airport to London Heathrow Airport in about 10h. The time it takes to get you to your destination can typically vary by up to 5h 26m. Airlines will cover a distance of 3438 mi. Both multi-stop and direct flights can be found to your destination and back.

  • Can I find deals for flights from LaGuardia to Heathrow that include hotel bookings?

    Yes. In addition to deals on LaGuardia to Heathrow flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from LaGuardia to Heathrow?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from LaGuardia to Heathrow.

  • Can I find deals for business class flights from LaGuardia to Heathrow?

    Yes. Cheapflights offers flight deals from LaGuardia to Heathrow by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from New York LaGuardia Airport to London Heathrow Airport?

    Currently, August is the cheapest month in which you can book a flight from New York LaGuardia Airport to London Heathrow Airport (average of £374). Flying from New York LaGuardia Airport to London Heathrow Airport in December is currently the most expensive (average of £759). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Travelling to a place near London Heathrow Airport?

Book flights to London Heathrow Airport if you plan to visit one of these locations
Milton Keynes
Wembley
Croydon
Northampton
Hounslow
Luton
Gatwick
Ilford
Slough
Hayes
Brentford
Colchester
Romford
Watford
Kingston upon Thames
Eastbourne
Swindon
Ipswich
Southend-on-Sea
Guildford

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Why should you use Cheapflights to find cheap flight tickets from LaGuardia to Heathrow?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Heathrow from LaGuardia.

Can Cheapflights find flights from LaGuardia to Heathrow with no change fees?

Need flexible booking options for your flight to Heathrow from LaGuardia? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from LaGuardia to Heathrow become cheaper?

Yes, Cheapflights offers price alerts on LaGuardia to Heathrow flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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