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Cheap flights from New York LaGuardia Airport to London Heathrow Airport from £155

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 23/2. Fares are subject to change and may not be available on all flights or dates of travel.
LGA — LHR
24 Feb — 3 Mar1
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 25 January 2026.

Mon 16/215:20
LGA
-
LHR
1 stop10h 50m
Air Canada
Wed 25/213:25
LHR
-
LGA
1 stop10h 37m
Air Canada
Deal found 22/1£349
Sat 24/119:45
LGA
-
LHR
1 stop30h 25m
Air Canada
Sat 31/109:00
LHR
-
LGA
2 stops15h 02m
Air Canada
Deal found 23/1£358
Thu 26/215:30
LGA
-
LHR
1 stop12h 00m
Lufthansa
Mon 2/313:25
LHR
-
LGA
1 stop13h 08m
Lufthansa
Deal found 24/1£360
Tue 3/215:30
LGA
-
LHR
1 stop12h 00m
Multiple Airlines
Tue 10/213:25
LHR
-
LGA
1 stop10h 37m
Multiple Airlines
Deal found 22/1£361
Thu 12/215:30
LGA
-
LHR
1 stop12h 00m
Lufthansa
Mon 16/213:25
LHR
-
LGA
1 stop13h 08m
Lufthansa
Deal found 24/1£362
Sat 14/215:30
LGA
-
LHR
1 stop12h 00m
Lufthansa
Mon 23/213:25
LHR
-
LGA
1 stop13h 08m
Lufthansa
Deal found 22/1£363
Tue 10/316:20
LGA
-
LHR
1 stop10h 10m
Lufthansa
Tue 17/311:10
LHR
-
LGA
1 stop15h 23m
Lufthansa
Deal found 24/1£363
Fri 23/106:05
LGA
-
LHR
1 stop24h 15m
Air Canada
Fri 30/106:00
LHR
-
LGA
2 stops18h 02m
Air Canada
Deal found 22/1£364
Mon 2/215:20
LGA
-
LHR
1 stop10h 50m
Air Canada
Tue 3/313:25
LHR
-
LGA
1 stop13h 08m
Air Canada
Deal found 22/1£366

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 25 January 2026.

Round-trip from

£349

One-way from

£155

Popular in

December

Cheapest in

February

Average price

£556
Air Canada
  • Air Canada
  • 16/2-25/2
  • 2 total stops
  • 21h 27m total
  • New York to London
Search Deals
British Airways
  • British Airways
  • 23/2
  • 1 total stop
  • 9h 25m total
  • New York to London
Search Deals
Highest demand for flights based on searches. 14% potential increase in price (£59 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 January 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 25 January 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

LaGuardia

Fly to

Heathrow

Route

Depart

Return

Price

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Sun 22/2

06:00-10:50

1 stop23h 50m

London Heathrow

Sun 1/3

13:25-16:59

1 stop32h 34m

£377

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Sat 21/2

19:50-20:35

2 stops19h 45m

London Heathrow

Sat 28/2

09:00-23:44

2 stops19h 44m

£385

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Thu 26/2

14:59-06:40

1 stop10h 41m

London Heathrow

Fri 13/3

13:25-21:33

1 stop12h 08m

£387

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Wed 25/2

15:20-07:10

1 stop10h 50m

London Heathrow

Tue 3/3

13:25-19:03

1 stop10h 38m

£388

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Mon 23/2

14:00-09:00

1 stop14h 00m

London Heathrow

Mon 2/3

09:00-20:30

2 stops16h 30m

£390

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Fri 13/2

06:00-06:40

1 stop19h 40m

London Heathrow

Mon 16/2

13:25-21:33

1 stop13h 08m

£390

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Thu 19/3

15:20-07:10

1 stop11h 50m

London Heathrow

Thu 26/3

10:25-20:12

1 stop13h 47m

£393

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Mon 9/2

15:20-07:10

1 stop10h 50m

London Heathrow

Fri 13/2

16:20-23:44

1 stop12h 24m

£393

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Sat 14/2

18:15-11:15

1 stop12h 00m

London Heathrow

Sat 21/2

09:00-19:03

2 stops15h 03m

£393

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Tue 7/4

16:00-10:00

1 stop13h 00m

London Heathrow

Mon 13/4

09:30-20:32

2 stops16h 02m

£393

Flights are sorted by cheapest return flights first.

Deals found on 23/1

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 £287). Flying from New York LaGuardia Airport to London Heathrow Airport in December is currently the most expensive (average of £663). 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. The time it takes to get you to your destination can typically vary by up to 9h 50m. 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 £287). Flying from New York LaGuardia Airport to London Heathrow Airport in December is currently the most expensive (average of £663). 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
Luton
Croydon
Wembley
Northampton
Gatwick
Slough
Hounslow
Ilford
Brentford
Hayes
Watford
Colchester
Guildford
Swindon
Chelmsford
Bedford
Crawley
Kingston upon Thames
Eastbourne

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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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