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Heathrow

$189+ Cheap flights from LaGuardia, NY (LGA) to Heathrow (LHR)

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 9/12. Fares are subject to change and may not be available on all flights or dates of travel.
LGA — LHR
Aug 21 — Aug 281
Thu 8/21
Thu 8/28
1 adult, Economy
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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 August 16, 2025.

Round-trip from

$441
(Ticket)

One-way from

$189
(Ticket)

Popular in

July

Cheapest in

October

Average price

$729
From New York LaGuardia to London Heathrow
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One-way flight from New York LaGuardia to London Heathrow
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Highest demand for flights based on searches. 17% potential increase in price ($132 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($14 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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Find flight deals from LaGuardia to Heathrow

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 August 16, 2025.

This Ticket deal was found by Cheapflights users on 8/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Ticket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/217:05 pmLGA - LHR
1 stop9h 30mAir Canada
Thu 9/259:30 amLHR - LGA
1 stop10h 17mAir Canada
Deal found 8/15$441
This Ticket deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Ticket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/277:05 pmLGA - LHR
1 stop9h 30mAir Canada
Sat 10/49:30 amLHR - LGA
1 stop10h 17mAir Canada
Deal found 8/13$464
This Ticket deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Ticket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/285:45 pmLGA - LHR
1 stop10h 50mAir Canada
Sat 10/49:30 amLHR - LGA
1 stop15h 07mAir Canada
Deal found 8/13$465
This Cheapflightsfares deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/237:05 pmLGA - LHR
1 stop9h 30mAir Canada
Tue 9/309:30 amLHR - LGA
1 stop10h 17mAir Canada
Deal found 8/14$471
This Cheapflightsfares deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/93:30 pmLGA - LHR
1 stop10h 00mAir Canada
Tue 9/169:30 amLHR - LGA
1 stop10h 17mAir Canada
Deal found 8/13$473
This Cheapflightsfares deal was found by Cheapflights users on 8/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/223:30 pmLGA - LHR
1 stop10h 00mAir Canada
Mon 11/31:25 pmLHR - LGA
1 stop10h 37mAir Canada
Deal found 8/15$474
This Cheapflightsfares deal was found by Cheapflights users on 8/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/17:05 pmLGA - LHR
1 stop9h 30mAir Canada
Sun 10/128:30 amLHR - LGA
1 stop11h 29mAir Canada
Deal found 8/15$480
This Mytrip deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/287:05 pmLGA - LHR
1 stop9h 30mAir Canada
Tue 10/72:05 pmLHR - LGA
1 stop10h 32mAir Canada
Deal found 8/14$483
This Flybillet deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Flybillet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/227:05 pmLGA - LHR
1 stop9h 30mAir Canada
Mon 9/299:30 amLHR - LGA
1 stop10h 17mAir Canada
Deal found 8/14$485
This Cheapflightsfares deal was found by Cheapflights users on 8/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/96:50 pmLGA - LHR
1 stop10h 10mAir Canada
Mon 10/133:50 pmLHR - LGA
1 stop11h 44mAir Canada
Deal found 8/15$486

Cheapflights Fare Finder

 
Customize 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 2,558,603 searches. Data last updated August 16, 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

Tue 9/30

7:05 pm-9:35 am

1 stop9h 30m

London Heathrow

Tue 10/7

2:05 pm-7:37 pm

1 stop10h 32m

$487

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Mon 10/27

5:35 pm-7:10 am

1 stop9h 35m

London Heathrow

Fri 10/31

9:00 am-7:03 pm

2 stops14h 03m

$499

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Thu 10/23

5:45 pm-9:35 am

1 stop10h 50m

London Heathrow

Tue 10/28

9:00 am-7:03 pm

2 stops14h 03m

$499

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Sun 9/7

7:29 pm-6:55 am

1 stop30h 26m

London Heathrow

Fri 9/12

9:30 am-9:32 am

1 stop29h 02m

$503

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Wed 10/15

6:00 am-10:40 am

1 stop23h 40m

London Heathrow

Thu 2/5

1:25 pm-2:42 pm

1 stop30h 17m

$503

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Sun 9/14

6:00 am-10:40 am

1 stop23h 40m

London Heathrow

Sun 9/28

9:30 am-8:02 am

1 stop27h 32m

$503

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Fri 9/19

7:29 pm-6:55 am

1 stop30h 26m

London Heathrow

Fri 9/26

2:05 pm-8:02 am

1 stop22h 57m

$503

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Mon 9/1

6:00 am-10:40 am

1 stop23h 40m

London Heathrow

Mon 9/8

9:30 am-9:32 am

1 stop29h 02m

$503

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Sat 9/13

6:00 am-10:40 am

1 stop23h 40m

London Heathrow

Sat 9/20

9:30 am-8:02 am

1 stop27h 32m

$505

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Thu 1/8

6:05 am-10:50 am

1 stop23h 45m

London Heathrow

Thu 1/15

1:25 pm-9:52 am

1 stop25h 27m

$505

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/15

Showing 1-10 of 20 results
1
2

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 round-trip 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 $661). Flying from New York LaGuardia Airport to London Heathrow Airport in June is currently the most expensive (average of $1,097). 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.

What is the cheapest time of day to fly from LGA to LHR?

Find hourly flight availability from LaGuardia to Heathrow. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 16, 2025.

Unlike in the afternoon, when flights are generally more expensive, you can save up to 39% on flights from New York LaGuardia Airport to London Heathrow Airport by exploring options for tickets at noon.

How much does it cost to fly round-trip from New York LaGuardia Airport to London Heathrow Airport?

Reviews of airlines servicing Heathrow

Get insights into the airlines that provide service to Heathrow. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Heathrow. Reviews last updated August 16, 2025.
Read reviews from past customers who have flown Delta, United Airlines, and American Airlines from New York LaGuardia Airport to London Heathrow Airport. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,985 reviews

Overall

8.0

Boarding

8.2

Entertainment

7.9

Food

7.3

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very good
7,985 reviews
Delta
8.0
Very good
7,985 reviews

Overall

8.0

Boarding

8.2

Entertainment

7.9

Food

7.3

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
United Airlines
7.4
Good
8,916 reviews
Delta
8.0
Very good
7,985 reviews

Overall

8.0

Boarding

8.2

Entertainment

7.9

Food

7.3

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,985 reviews

Overall

8.0

Boarding

8.2

Entertainment

7.9

Food

7.3

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Air Canada
7.1
Good
9,966 reviews
Delta
8.0
Very good
7,985 reviews

Overall

8.0

Boarding

8.2

Entertainment

7.9

Food

7.3

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
British Airways
6.7
Okay
7,267 reviews
Delta
8.0
Very good
7,985 reviews

Overall

8.0

Boarding

8.2

Entertainment

7.9

Food

7.3

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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.

  • What are the cheapest airlines flying from New York LaGuardia Airport to London Heathrow Airport round-trip?

    Our cheapest airline available from New York LaGuardia Airport to London Heathrow Airport is Air Canada. Our recent data shows that you can find tickets from as low as $357 on this airline. Additional options worth looking into are Delta and United Airlines, starting at $414 and $457 round-trip. Air Canada is 42% cheaper than the average price of flights available within the next 90 days to this destination.

  • 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 vacation 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 $661). Flying from New York LaGuardia Airport to London Heathrow Airport in June is currently the most expensive (average of $1,097). 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

Traveling to a place near London Heathrow Airport?

Book flights to London Heathrow Airport if you plan to visit one of these locations
Hounslow
Hayes
Thornton Heath
Harrow
Canterbury
Dartford
Dover
Stratford-upon-Avon
Orpington
Watford
Northampton
Gatwick
Borehamwood
Broadway
Aylesbury
Chelmsford
Southend-on-Sea
Folkestone
Chichester
Swindon

Browse thousands of different options on Cheapflights for your next trip

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Top 5 airlines flying from LaGuardia to Heathrow

Discover the top 5 airlines that operate flights from LaGuardia to Heathrow. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated August 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$357Average$639FlexibilityNo cancel feeOn-time67%
DeltaCheapest$414Average$593FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$457Average$628FlexibilityNo cancel feeOn-time69%
British AirwaysCheapest$515Average$781FlexibilityNo cancel feeOn-time70%
American AirlinesCheapest$530Average$790FlexibilityNo cancel feeOn-time71%

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