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Cheap flights from New York LaGuardia Airport to London Heathrow Airport from £209

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 28/4. Fares are subject to change and may not be available on all flights or dates of travel.
LGA — LHR
22 Apr — 29 Apr1
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 23 March 2026.

Sat 2/511:35
LGA
-
LHR
1 stop14h 00m
Air Canada
Sun 10/509:30
LHR
-
LGA
1 stop12h 28m
Air Canada
Deal found 20/3£388
Sun 3/516:45
LGA
-
LHR
1 stop14h 05m
Air Canada
Sun 10/509:30
LHR
-
LGA
1 stop12h 28m
Air Canada
Deal found 20/3£406
Sun 17/515:30
LGA
-
LHR
1 stop13h 30m
Air Canada
Sat 23/508:30
LHR
-
LGA
1 stop12h 20m
Air Canada
Deal found 19/3£419
Sat 16/511:35
LGA
-
LHR
1 stop14h 00m
Air Canada
Tue 26/509:30
LHR
-
LGA
1 stop10h 07m
Air Canada
Deal found 20/3£421
Sun 17/517:40
LGA
-
LHR
1 stop11h 20m
Air Canada
Sun 24/514:10
LHR
-
LGA
1 stop13h 26m
Air Canada
Deal found 20/3£439
Fri 15/516:45
LGA
-
LHR
1 stop11h 50m
Air Canada
Tue 26/514:10
LHR
-
LGA
1 stop11h 49m
Air Canada
Deal found 20/3£442
Thu 21/516:00
LGA
-
LHR
1 stop12h 35m
Air Canada
Tue 26/514:05
LHR
-
LGA
1 stop12h 25m
Air Canada
Deal found 19/3£448
Fri 22/515:30
LGA
-
LHR
1 stop10h 00m
Air Canada
Mon 25/512:05
LHR
-
LGA
1 stop14h 25m
Air Canada
Deal found 19/3£454
Fri 22/516:45
LGA
-
LHR
1 stop10h 50m
Air Canada
Tue 26/509:30
LHR
-
LGA
1 stop12h 28m
Air Canada
Deal found 19/3£455
Thu 2/716:00
LGA
-
LHR
1 stop12h 35m
Air Canada
Sun 6/909:30
LHR
-
LGA
1 stop10h 07m
Air Canada
Deal found 20/3£462
Wed 1/717:40
LGA
-
LHR
1 stop11h 20m
Air Canada
Sun 6/909:30
LHR
-
LGA
1 stop12h 25m
Air Canada
Deal found 20/3£464
Fri 15/516:00
LGA
-
LHR
1 stop11h 35m
Air Canada
Sat 30/509:30
LHR
-
LGA
1 stop12h 28m
Air Canada
Deal found 18/3£481

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 23 March 2026.

Round-trip from

£388

One-way from

£209

Popular in

December

Cheapest in

August

Average price

£513
Air Canada
  • Air Canada
  • 2/5-10/5
  • 2 total stops
  • 26h 28m total
  • New York to London
Search Deals
British Airways
  • British Airways
  • 28/4
  • 1 total stop
  • 12h 22m total
  • New York to London
Search Deals
Highest demand for flights based on searches. 15% potential increase in price (£66 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 March 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 23 March 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

Sun 12/4

10:30-06:30

1 stop15h 00m

London Heathrow

Sat 18/4

07:25-19:01

2 stops16h 36m

£530

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Thu 2/4

15:20-08:30

1 stop12h 10m

London Heathrow

Wed 22/4

14:05-19:31

1 stop10h 26m

£537

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Thu 27/8

10:29-06:55

1 stop15h 26m

London Heathrow

Mon 31/8

14:05-08:00

1 stop22h 55m

£537

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Thu 27/8

14:32-06:55

1 stop11h 23m

London Heathrow

Wed 2/9

09:30-16:57

1 stop12h 27m

£537

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Sat 2/5

11:00-06:45

1 stop14h 45m

London Heathrow

Fri 8/5

09:40-15:30

1 stop10h 50m

£542

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Sat 25/7

15:30-06:30

1 stop10h 00m

London Heathrow

Fri 14/8

14:05-19:37

1 stop10h 32m

£558

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Fri 10/4

15:30-06:35

1 stop10h 05m

London Heathrow

Sat 18/4

12:40-22:31

2 stops14h 51m

£581
Fastest return journey

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Fri 11/9

15:30-06:30

1 stop10h 00m

London Heathrow

Thu 24/9

14:05-19:36

1 stop10h 31m

£611

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Sat 16/5

12:00-10:40

1 stop17h 40m

London Heathrow

Thu 21/5

06:30-16:15

2 stops14h 45m

£615

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Tue 8/9

17:40-10:00

1 stop11h 20m

London Heathrow

Tue 22/9

09:30-14:36

1 stop10h 06m

£626

Flights are sorted by cheapest return flights first.

Deals found on 21/3

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, November is the cheapest month in which you can book a flight from New York LaGuardia Airport to London Heathrow Airport (average of £294). Flying from New York LaGuardia Airport to London Heathrow Airport in December is currently the most expensive (average of £678). 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.

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 and Virgin Atlantic fly from New York LaGuardia Airport to London Heathrow Airport in about 14h 45m. The time it takes to get you to your destination can typically vary by up to 15m. 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, November is the cheapest month in which you can book a flight from New York LaGuardia Airport to London Heathrow Airport (average of £294). Flying from New York LaGuardia Airport to London Heathrow Airport in December is currently the most expensive (average of £678). 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
Luton
Hounslow
Slough
Gatwick
Ilford
Hayes
Brentford
Colchester
Guildford
Watford
Kingston upon Thames
Eastbourne
Romford
Ipswich
Swindon
Bedford

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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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