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Cheap flights from New York LaGuardia Airport to London Heathrow Airport from £152

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 16/8. Fares are subject to change and may not be available on all flights or dates of travel.
LGA — LHR
7 Sep — 14 Sep1
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 8 August 2026.

Sat 7/1115:15 -
1 stop10h 55m
Sun 22/1113:00 -
1 stop13h 31m
Deal found 4/8£405
Thu 24/916:00 -
1 stop12h 35m
Mon 28/914:05 -
1 stop10h 31m
Deal found 5/8£409
Wed 21/1019:05 -
1 stop11h 45m
Mon 26/1013:00 -
1 stop12h 31m
Deal found 6/8£418
Thu 5/1116:20 -
1 stop11h 10m
Thu 19/1113:00 -
1 stop13h 31m
Deal found 3/8£423
Sat 31/1015:15 -
1 stop11h 55m
Sun 15/1113:00 -
1 stop13h 31m
Deal found 4/8£436
Thu 3/911:35 -
1 stop14h 00m
Tue 29/908:30 -
1 stop12h 16m
Deal found 6/8£446
Sun 16/817:35 -
1 stop11h 25m
Mon 14/914:05 -
1 stop10h 31m
Deal found 4/8£456
Wed 4/1117:09 -
1 stop12h 16m
Wed 18/1117:15 -
1 stop20h 35m
Deal found 3/8£477
Fri 13/1117:09 -
1 stop12h 21m
Tue 17/1117:15 -
1 stop20h 35m
Deal found 7/8£477
Sat 17/1017:10 -
1 stop12h 05m
Sun 8/1117:15 -
1 stop20h 35m
Deal found 3/8£478
Wed 14/1017:04 -
1 stop12h 11m
Thu 29/1017:15 -
1 stop19h 44m
Deal found 4/8£479

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 8 August 2026.

Round-trip from

£405

One-way from

£152

Popular in

June

Cheapest in

November

Average price

£596
Air Canada
  • Air Canada
  • 7/11-22/11
  • 2 total stops
  • 24h 26m total
  • New York to London
Search Deals
British Airways
  • British Airways
  • 16/8
  • 1 total stop
  • 20h 27m total
  • New York to London
Search Deals
Highest demand for flights based on searches. 24% potential increase in price (£146 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 10% potential price decrease (£41 potential savings vs. average return price).
Search Deals
Average for round-trip flights in August 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 8 August 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 New York LaGuardia - LHR London Heathrow

LGALHR

New York LaGuardia

Sat 22/8

14:55-10:40

1 stop14h 45m

London Heathrow

Wed 26/8

07:25-18:45

2 stops16h 20m

£610

New YorkLondon

LGA New York LaGuardia - LHR London Heathrow

LGALHR

New York LaGuardia

Fri 25/9

14:59-06:55

1 stop10h 56m

London Heathrow

Thu 1/10

14:05-21:30

1 stop12h 25m

£612

New YorkLondon

LGA New York LaGuardia - LHR London Heathrow

LGALHR

New York LaGuardia

Thu 8/10

09:10-06:45

1 stop16h 35m

London Heathrow

Sun 11/10

06:50-17:25

2 stops15h 35m

£612
Fastest return journey

New YorkLondon

LGA New York LaGuardia - LHR London Heathrow

LGALHR

New York LaGuardia

Tue 6/10

15:30-06:30

1 stop10h 00m

London Heathrow

Mon 12/10

14:05-19:36

1 stop10h 31m

£615

New YorkLondon

LGA New York LaGuardia - LHR London Heathrow

LGALHR

New York LaGuardia

Tue 13/10

17:00-11:20

1 stop13h 20m

London Heathrow

Wed 21/10

11:45-22:25

2 stops15h 40m

£615

New YorkLondon

LGA New York LaGuardia - LHR London Heathrow

LGALHR

New York LaGuardia

Wed 2/12

15:00-06:50

1 stop10h 50m

London Heathrow

Sun 6/12

08:55-19:33

2 stops15h 38m

£615

New YorkLondon

LGA New York LaGuardia - LHR London Heathrow

LGALHR

New York LaGuardia

Thu 10/12

16:00-09:00

1 stop12h 00m

London Heathrow

Sun 13/12

08:55-20:31

2 stops16h 36m

£615

New YorkLondon

LGA New York LaGuardia - LHR London Heathrow

LGALHR

New York LaGuardia

Thu 3/9

11:35-06:35

1 stop14h 00m

London Heathrow

Thu 10/9

14:05-21:30

1 stop12h 25m

£654

New YorkLondon

LGA New York LaGuardia - LHR London Heathrow

LGALHR

New York LaGuardia

Mon 14/12

13:10-07:10

1 stop13h 00m

London Heathrow

Mon 28/12

13:00-19:06

1 stop11h 06m

£658

New YorkLondon

LGA New York LaGuardia - LHR London Heathrow

LGALHR

New York LaGuardia

Fri 18/12

13:00-07:50

1 stop13h 50m

London Heathrow

Sat 26/12

09:50-19:16

1 stop14h 26m

£805

Flights are sorted by cheapest return flights first.

Deals found on 5/8

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 £393). Flying from New York LaGuardia Airport to London Heathrow Airport in June is currently the most expensive (average of £1,194). 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, 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 4h 45m. 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 £393). Flying from New York LaGuardia Airport to London Heathrow Airport in June is currently the most expensive (average of £1,194). 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
Hounslow
Milton Keynes
Gatwick
Luton
Wembley
Slough
Ilford
Hayes
Croydon
Colchester
Eastbourne
Brentford
Northampton
Watford
Swindon
Southend-on-Sea
Enfield
Kingston upon Thames
Southall
Poole

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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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