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$303+ 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 7/21. Fares are subject to change and may not be available on all flights or dates of travel.
LGA — LHR
Jun 4 — Jun 111
Thu 6/4
Thu 6/11
1 adult, Economy
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Cheap 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 May 5, 2026.

This KAYAK deal was found by Cheapflights users on 5/1. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/14:50 pm
LGA
-
LHR
1 stop12h 25m
British Airways
Tue 10/65:05 pm
LHR
-
LGA
1 stop32h 50m
British Airways
Deal found 5/1$665
This lol.travel deal was found by Cheapflights users on 5/1. 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/95:40 pm
LGA
-
LHR
1 stop11h 20m
Air Canada
Tue 5/129:30 am
LHR
-
LGA
1 stop10h 07m
Air Canada
Deal found 5/1$715
This KAYAK deal was found by Cheapflights users on 5/3. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/178:13 am
LGA
-
LHR
1 stop20h 27m
British Airways
Mon 10/195:05 pm
LHR
-
LGA
1 stop32h 50m
British Airways
Deal found 5/3$720
This Ovago deal was found by Cheapflights users on 5/3. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/259:10 pm
LGA
-
LHR
1 stop16h 45m
British Airways
Mon 9/285:05 pm
LHR
-
LGA
1 stop32h 50m
British Airways
Deal found 5/3$722
This Gotogate deal was found by Cheapflights users on 5/3. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/95:40 pm
LGA
-
LHR
1 stop11h 20m
Multiple Airlines
Mon 5/117:30 pm
LHR
-
LGA
2 stops29h 06m
Multiple Airlines
Deal found 5/3$724
This lol.travel deal was found by Cheapflights users on 5/3. 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/53:30 pm
LGA
-
LHR
1 stop10h 00m
Air Canada
Tue 5/129:30 am
LHR
-
LGA
1 stop10h 07m
Air Canada
Deal found 5/3$725
This Gotogate deal was found by Cheapflights users on 5/1. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/23:30 pm
LGA
-
LHR
1 stop10h 00m
Air Canada
Sat 5/99:30 am
LHR
-
LGA
1 stop10h 07m
Air Canada
Deal found 5/1$726
This KAYAK deal was found by Cheapflights users on 5/2. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/169:25 pm
LGA
-
LHR
1 stop31h 50m
British Airways
Tue 9/222:25 pm
LHR
-
LGA
1 stop11h 24m
British Airways
Deal found 5/2$727
This Gotogate deal was found by Cheapflights users on 5/1. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/23:30 pm
LGA
-
LHR
1 stop10h 00m
Air Canada
Fri 5/89:30 am
LHR
-
LGA
1 stop10h 08m
Air Canada
Deal found 5/1$728

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 May 5, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$665
(KAYAK)

One-way from

$303
(eDestinos)

Popular in

December

Cheapest in

August

Average price

$748
Provider with most accurate pricing for New York LaGuardia-London Heathrow flight deals.
Search Deals
Provider most trusted by Cheapflights users for New York LaGuardia-London Heathrow flights.
Search Deals
From New York LaGuardia to London Heathrow
Search Deals
One-way flight from New York LaGuardia to London Heathrow
Search Deals
Highest demand for flights based on searches. 15% potential increase in price ($118 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($34 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 2026
Search Deals

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 May 5, 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 round-trip

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Sat 8/15

6:05 am-10:40 am

1 stop23h 35m

London Heathrow

Fri 8/28

2:05 pm-4:57 pm

1 stop31h 52m

$752

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Sat 8/1

3:30 pm-6:30 am

1 stop10h 00m

London Heathrow

Sat 8/22

7:25 am-7:00 pm

2 stops16h 35m

$761

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Mon 10/12

10:29 am-6:55 am

1 stop15h 26m

London Heathrow

Sat 10/17

9:30 am-2:36 pm

1 stop10h 06m

$766

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Wed 8/19

3:30 pm-6:30 am

1 stop10h 00m

London Heathrow

Mon 8/31

2:05 pm-7:37 pm

1 stop10h 32m

$768

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Mon 5/18

5:40 pm-10:00 am

1 stop11h 20m

London Heathrow

Fri 5/22

4:40 pm-11:30 pm

1 stop11h 50m

$805

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Fri 8/7

5:00 pm-10:40 am

1 stop12h 40m

London Heathrow

Fri 8/14

8:55 am-6:30 pm

2 stops14h 35m

$917

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Fri 6/12

3:30 pm-6:30 am

1 stop10h 00m

London Heathrow

Mon 6/22

2:05 pm-7:40 pm

1 stop10h 35m

$968

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Tue 7/7

3:30 pm-6:30 am

1 stop10h 00m

London Heathrow

Mon 7/27

2:05 pm-7:45 pm

1 stop10h 40m

$1,063
Quickest round-trip

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Wed 6/24

3:30 pm-6:30 am

1 stop10h 00m

London Heathrow

Sat 7/4

9:30 am-2:37 pm

1 stop10h 07m

$1,105

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Sat 6/27

3:30 pm-6:30 am

1 stop10h 00m

London Heathrow

Sat 7/4

12:40 pm-10:35 pm

2 stops14h 55m

$1,110

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/5

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

Compare providers for flights from LaGuardia to Heathrow

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from LaGuardia to Heathrow in May.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
OvagoPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on New York LaGuardia Airport-London Heathrow Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on New York LaGuardia Airport-London Heathrow Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from New York LaGuardia Airport-London Heathrow Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on New York LaGuardia Airport-London Heathrow Airport flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for New York LaGuardia Airport-London Heathrow Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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, August is the cheapest month in which you can book a flight from New York LaGuardia Airport to London Heathrow Airport (average of $506). Flying from New York LaGuardia Airport to London Heathrow Airport in December is currently the most expensive (average of $1,028). 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 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 May 5, 2026.
Read reviews from past customers who have flown United Airlines,American Airlines, andAir Canada 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.
United Airlines
7.4
Good
9,684 reviews

Entertainment

7.1

Boarding

7.7

Food

6.6

Overall

7.4

Comfort

7.3

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Julia,Sep 2025

BUF - DEN

The staff were amazing, from check in to boarding and on the flight. The range of entertainment options were really good as well.
United Airlines
7.4
Good
9,684 reviews
United Airlines
7.4
Good
9,684 reviews

Entertainment

7.1

Boarding

7.7

Food

6.6

Overall

7.4

Comfort

7.3

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Julia,Sep 2025

BUF - DEN

The staff were amazing, from check in to boarding and on the flight. The range of entertainment options were really good as well.
American Airlines
7.1
Good
11,667 reviews
United Airlines
7.4
Good
9,684 reviews

Entertainment

7.1

Boarding

7.7

Food

6.6

Overall

7.4

Comfort

7.3

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Julia,Sep 2025

BUF - DEN

The staff were amazing, from check in to boarding and on the flight. The range of entertainment options were really good as well.
Air Canada
7.1
Good
11,000 reviews
United Airlines
7.4
Good
9,684 reviews

Entertainment

7.1

Boarding

7.7

Food

6.6

Overall

7.4

Comfort

7.3

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Julia,Sep 2025

BUF - DEN

The staff were amazing, from check in to boarding and on the flight. The range of entertainment options were really good as well.

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?

    There are many flights that can get you from New York LaGuardia Airport to London Heathrow Airport in 10h. Fly via United Airlines or Lufthansa to get the fastest option. There are 3438 mi between New York LaGuardia Airport and London Heathrow Airport. Both multi-stop and nonstop flights can be found to your destination and back.

  • 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 $494 on this airline. Additional options worth looking into are United Airlines and American Airlines, starting at $516 and $530 round-trip. Air Canada is 25% 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, August is the cheapest month in which you can book a flight from New York LaGuardia Airport to London Heathrow Airport (average of $506). Flying from New York LaGuardia Airport to London Heathrow Airport in December is currently the most expensive (average of $1,028). 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
Ilford
Hounslow
Winchester
Croydon
Gatwick
Southend-on-Sea
Harrow
Eastleigh
Dartford
Dover
Orpington
Watford
Northampton
Borehamwood
Broadway
Chipping Norton
Hayes
Kingston upon Thames
Eastbourne
Slough

Browse thousands of different options on Cheapflights for your next trip

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Top 3 airlines flying from LaGuardia to Heathrow

Discover the top 3 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 May 5, 2026.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$494Average$765FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$516Average$698FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$530Average$775FlexibilityNo cancel feeOn-time71%

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