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Cheap flights from New York LaGuardia Airport to London Heathrow Airport from £145

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 11/1. Fares are subject to change and may not be available on all flights or dates of travel.
LGA — LHR
9 1月 — 16 1月1
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 10 12月 2025.

週二 9/1215:20LGA - LHR
1 stop10h 50mAir Canada
週四 15/113:25LHR - LGA
1 stop10h 37mAir Canada
Deal found 8/12£378
週三 10/1206:00LGA - LHR
1 stop23h 50mUnited Airlines
週日 14/1213:25LHR - LGA
1 stop27h 58mUnited Airlines
Deal found 8/12£379
週二 9/1206:05LGA - LHR
1 stop20h 05mAir Canada
週二 20/113:25LHR - LGA
1 stop10h 37mAir Canada
Deal found 8/12£380
週三 10/1206:00LGA - LHR
1 stop23h 50mUnited Airlines
週五 13/211:10LHR - LGA
1 stop28h 33mUnited Airlines
Deal found 8/12£381
週二 9/1217:00LGA - LHR
1 stop9h 50mVirgin Atlantic
週二 16/1209:40LHR - LGA
1 stop10h 50mVirgin Atlantic
Deal found 8/12£381
週三 31/1215:20LGA - LHR
1 stop10h 50mMultiple Airlines
週三 21/113:25LHR - LGA
1 stop10h 37mMultiple Airlines
Deal found 8/12£382
週二 9/1220:15LGA - LHR
1 stop28h 40mUnited Airlines
週日 14/1213:25LHR - LGA
1 stop27h 58mUnited Airlines
Deal found 9/12£383
週二 9/1211:30LGA - LHR
1 stop14h 00mMultiple Airlines
週日 14/1213:25LHR - LGA
1 stop27h 58mMultiple Airlines
Deal found 8/12£384

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 10 12月 2025.

Round-trip from

£377

One-way from

£145

Popular in

December

Cheapest in

February

Average price

£772
Air Canada
  • Air Canada
  • 9/3-15/3
  • 2 total stops
  • 36h 07m total
  • New York to London
Search Deals
Air Canada
  • Air Canada
  • 11/1
  • 1 total stop
  • 10h 50m total
  • New York to London
Search Deals
Highest demand for flights based on searches. 12% potential increase in price (£50 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease (£21 potential savings vs. average return price).
Search Deals
Average for round-trip flights in December 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 10 12月 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

週日 11/1

14:55-10:50

1 stop14h 55m

London Heathrow

週日 25/1

13:25-21:33

1 stop13h 08m

£394

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

週日 8/2

12:40-07:10

1 stop13h 30m

London Heathrow

週日 15/2

13:25-19:02

1 stop10h 37m

£396

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

週二 10/3

15:20-07:10

1 stop11h 50m

London Heathrow

週二 17/3

13:25-21:33

1 stop12h 08m

£396

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

週五 23/1

16:00-07:50

1 stop10h 50m

London Heathrow

週六 7/2

06:20-20:31

2 stops19h 11m

£397

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

週六 31/1

13:00-09:00

1 stop15h 00m

London Heathrow

週六 7/2

06:20-18:27

2 stops17h 07m

£397

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

週四 29/1

16:54-08:45

1 stop10h 51m

London Heathrow

週一 2/2

08:55-20:30

2 stops16h 35m

£398

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

週日 18/1

17:00-07:50

1 stop9h 50m

London Heathrow

週日 1/2

11:30-23:42

2 stops17h 12m

£398

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

週日 15/2

15:20-07:10

1 stop10h 50m

London Heathrow

週六 21/2

11:10-19:03

1 stop12h 53m

£399

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

週日 15/2

15:20-07:10

1 stop10h 50m

London Heathrow

週日 1/3

11:10-17:58

1 stop11h 48m

£399

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

週六 17/1

13:00-07:50

1 stop13h 50m

London Heathrow

週六 28/2

06:30-20:31

2 stops19h 01m

£399

Flights are sorted by cheapest return flights first.

Deals found on 8/12

Showing 1-10 of 23 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 £294). Flying from New York LaGuardia Airport to London Heathrow Airport in June is currently the most expensive (average of £465). 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 10h 50m. The time it takes to get you to your destination can typically vary by up to 4h 05m. 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 June is currently the most expensive (average of £465). 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
Northampton
Hounslow
Luton
Gatwick
Wembley
Ilford
Brentford
Colchester
Watford
Hayes
Crawley
Winchester
Swindon
Deal
Bedford
Romford
Chichester

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How does Cheapflights help users find flights from LaGuardia to Heathrow?

Cheapflights helps you search for flights from LaGuardia to Heathrow via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

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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