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Cheap flights from New York LaGuardia Airport to London Heathrow Airport from £112

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 3/12. Fares are subject to change and may not be available on all flights or dates of travel.
LGA — LHR
7 Dec — 14 Dec1
1 adult
1 adult, Economy, 0 bags

Find 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 7 November 2025.

Wed 19/1112:45LGA - LHR
1 stop17h 35mMultiple Airlines
Tue 25/1109:00LHR - LGA
2 stops17h 33mMultiple Airlines
Deal found 6/11£368
Mon 17/1115:20LGA - LHR
1 stop10h 50mAir Canada
Mon 24/1113:25LHR - LGA
1 stop10h 38mAir Canada
Deal found 5/11£369
Mon 17/1115:20LGA - LHR
1 stop10h 50mAir Canada
Wed 26/1113:25LHR - LGA
1 stop10h 38mAir Canada
Deal found 6/11£370
Wed 12/1113:05LGA - LHR
1 stop13h 05mMultiple Airlines
Sun 16/1113:25LHR - LGA
1 stop13h 08mMultiple Airlines
Deal found 6/11£374
Sat 6/1213:05LGA - LHR
1 stop13h 05mAir Canada
Sat 13/1213:25LHR - LGA
1 stop10h 37mAir Canada
Deal found 6/11£375
Fri 5/1215:20LGA - LHR
1 stop10h 50mAir Canada
Fri 12/1213:25LHR - LGA
1 stop13h 08mAir Canada
Deal found 5/11£376
Wed 26/1110:35LGA - LHR
1 stop15h 35mAir Canada
Sat 6/1209:00LHR - LGA
2 stops17h 33mAir Canada
Deal found 6/11£377

Cheap 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 7 November 2025.

Round-trip from

£368

One-way from

£112

Popular in

July

Cheapest in

February

Average price

£558
Air Canada
  • Air Canada
  • 19/11-25/11
  • 3 total stops
  • 35h 08m total
  • New York to London
Search Deals
Air Canada
  • Air Canada
  • 3/12
  • 2 total stops
  • 15h 15m total
  • New York to London
Search Deals
Highest demand for flights based on searches. 13% potential increase in price (£55 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£9 potential savings vs. average return price).
Search Deals
Average for round-trip flights in November 2025
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 7 November 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

LaGuardia

Fly to

Heathrow

Route

Depart

Return

Price

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Fri 5/12

06:00-10:50

1 stop23h 50m

London Heathrow

Thu 11/12

13:25-12:23

1 stop27h 58m

£380

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Thu 4/12

06:00-10:50

1 stop23h 50m

London Heathrow

Sun 14/12

13:25-12:23

1 stop27h 58m

£380

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Thu 11/12

06:00-10:50

1 stop23h 50m

London Heathrow

Sun 14/12

13:25-12:23

1 stop27h 58m

£380

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Mon 5/1

19:29-06:40

1 stop30h 11m

London Heathrow

Fri 9/1

13:25-09:52

1 stop25h 27m

£387

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Mon 17/11

19:29-10:50

1 stop10h 21m

London Heathrow

Mon 24/11

13:25-21:33

1 stop13h 08m

£389

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Mon 17/11

19:29-10:50

1 stop10h 21m

London Heathrow

Mon 24/11

13:25-19:03

1 stop10h 38m

£390

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Mon 17/11

15:20-07:10

1 stop10h 50m

London Heathrow

Wed 26/11

13:25-19:03

1 stop10h 38m

£391

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Wed 19/11

15:20-07:10

1 stop10h 50m

London Heathrow

Wed 26/11

13:25-19:03

1 stop10h 38m

£391

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Fri 6/2

15:20-07:10

1 stop10h 50m

London Heathrow

Sun 15/2

13:25-19:02

1 stop10h 37m

£396

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Mon 17/11

19:00-11:40

1 stop11h 40m

London Heathrow

Mon 24/11

08:55-19:37

2 stops15h 42m

£396

Flights are sorted by cheapest return flights first.

Deals found on 7/11

Showing 1-10 of 22 results
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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 £289). Flying from New York LaGuardia Airport to London Heathrow Airport in June is currently the most expensive (average of £474). 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 fly from New York LaGuardia Airport to London Heathrow Airport in about 23h 50m. The time it takes to get you to your destination can typically vary by up to . Airlines will cover a distance of 3438 mi.

  • 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 £289). Flying from New York LaGuardia Airport to London Heathrow Airport in June is currently the most expensive (average of £474). 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
Croydon
Slough
Gatwick
Hounslow
Northampton
Luton
Ilford
Wembley
Deal
Hayes
Colchester
Watford
Winchester
Swindon
Crawley
Brentford
Romford
Chichester
Ipswich

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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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