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$208+ 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 2/6. Fares are subject to change and may not be available on all flights or dates of travel.
LGA — LHR
Feb 7 — Feb 141
Sat 2/7
Sat 2/14
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 January 8, 2026.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$485
(Mytrip)

One-way from

$208
(SmartFares)

Popular in

December

Cheapest in

February

Average price

$699
Provider with most accurate pricing for New York LaGuardia-London Heathrow flight deals.
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Provider most trusted by Cheapflights users for New York LaGuardia-London Heathrow flights.
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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. 14% potential increase in price ($107 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($35 potential savings vs. average RT price).
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Average for round-trip flights in January 2026
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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 January 8, 2026.

This Mytrip deal was found by Cheapflights users on 1/8. 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 1/183:20 pmLGA - LHR
1 stop10h 50mAir Canada
Tue 1/2711:10 amLHR - LGA
1 stop11h 48mAir Canada
Deal found 1/8$485
This Mytrip deal was found by Cheapflights users on 1/8. 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 1/253:20 pmLGA - LHR
1 stop10h 50mAir Canada
Thu 2/51:25 pmLHR - LGA
1 stop10h 37mAir Canada
Deal found 1/8$486
This Cheapflightsfares deal was found by Cheapflights users on 1/7. 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 1/143:30 pmLGA - LHR
1 stop12h 00mLufthansa
Wed 1/211:25 pmLHR - LGA
1 stop13h 08mLufthansa
Deal found 1/7$487
This Air Canada deal was found by Cheapflights users on 1/7. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/412:40 pmLGA - LHR
2 stops15h 40mAir Canada
Wed 2/119:00 amLHR - LGA
2 stops18h 33mAir Canada
Deal found 1/7$489
This Mytrip deal was found by Cheapflights users on 1/8. 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.
Wed 1/283:20 pmLGA - LHR
1 stop10h 50mMultiple Airlines
Wed 2/41:25 pmLHR - LGA
1 stop10h 37mMultiple Airlines
Deal found 1/8$490
This Air Canada deal was found by Cheapflights users on 1/8. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/46:05 amLGA - LHR
1 stop20h 05mAir Canada
Mon 3/92:50 pmLHR - LGA
2 stops32h 13mAir Canada
Deal found 1/8$491
This Flightnetwork deal was found by Cheapflights users on 1/8. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/83:20 pmLGA - LHR
1 stop10h 50mAir Canada
Sun 2/151:25 pmLHR - LGA
1 stop10h 37mAir Canada
Deal found 1/8$492
This Flightnetwork deal was found by Cheapflights users on 1/7. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/225:35 pmLGA - LHR
1 stop10h 45mAir Canada
Sun 3/111:10 amLHR - LGA
1 stop11h 48mAir Canada
Deal found 1/7$493
This Gotogate deal was found by Cheapflights users on 1/6. 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.
Mon 2/23:20 pmLGA - LHR
1 stop10h 50mAir Canada
Sun 2/81:25 pmLHR - LGA
1 stop10h 37mAir Canada
Deal found 1/6$494
This Flighttix deal was found by Cheapflights users on 1/6. 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 Flighttix is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 1/135:00 pmLGA - LHR
1 stop9h 50mVirgin Atlantic
Tue 1/201:05 pmLHR - LGA
1 stop11h 26mVirgin Atlantic
Deal found 1/6$495
This Mytrip deal was found by Cheapflights users on 1/6. 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 1/253:20 pmLGA - LHR
1 stop10h 50mAir Canada
Sun 2/11:25 pmLHR - LGA
1 stop13h 08mAir Canada
Deal found 1/6$496
This Cheapflightsfares deal was found by Cheapflights users on 1/7. 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 1/213:05 pmLGA - LHR
1 stop11h 15mBritish Airways
Tue 1/2711:40 amLHR - LGA
1 stop11h 06mBritish Airways
Deal found 1/7$497

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 January 8, 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

Mon 2/23

2:00 pm-7:50 am

1 stop12h 50m

London Heathrow

Tue 3/3

6:20 am-4:21 pm

2 stops15h 01m

$502

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Sun 2/1

4:00 pm-6:50 am

1 stop9h 50m

London Heathrow

Tue 2/10

8:55 am-8:30 pm

2 stops16h 35m

$502

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Sat 1/31

7:29 pm-6:40 am

1 stop30h 11m

London Heathrow

Sun 2/22

1:25 pm-9:53 am

1 stop25h 28m

$505

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Fri 2/13

6:00 am-10:50 am

1 stop23h 50m

London Heathrow

Sat 2/21

3:00 pm-4:59 pm

1 stop30h 59m

$514

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Tue 3/3

4:00 pm-6:50 am

1 stop9h 50m

London Heathrow

Sun 3/8

9:40 am-5:20 pm

1 stop11h 40m

$515

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Mon 1/26

5:00 pm-7:50 am

1 stop9h 50m

London Heathrow

Mon 2/2

8:55 am-8:30 pm

2 stops16h 35m

$518

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Fri 2/20

2:59 pm-6:50 am

1 stop10h 51m

London Heathrow

Fri 2/27

6:30 am-4:21 pm

2 stops14h 51m

$518

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Wed 3/25

5:40 pm-7:10 am

1 stop9h 30m

London Heathrow

Sun 3/29

5:40 pm-7:55 am

1 stop19h 15m

$521

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Wed 3/18

6:00 pm-7:50 am

1 stop9h 50m

London Heathrow

Mon 3/23

1:05 pm-8:24 pm

1 stop11h 19m

$524

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Thu 2/19

4:00 pm-6:50 am

1 stop9h 50m

London Heathrow

Fri 2/27

1:05 pm-7:28 pm

1 stop11h 23m

$524

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/7

Showing 1-10 of 22 results
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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 January.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
OvagoPrice Accuracy2 starsTrust Score*2 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy2 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 eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on New York LaGuardia Airport-London Heathrow Airport flight deals on Cheapflights vs. eDreams >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 eDreams the most. eDreams 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, November is the cheapest month in which you can book a flight from New York LaGuardia Airport to London Heathrow Airport (average of $392). Flying from New York LaGuardia Airport to London Heathrow Airport in December is currently the most expensive (average of $905). 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 January 8, 2026.
Read reviews from past customers who have flown United Airlines, American Airlines, and Air 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
9,141 reviews

Crew

8.1

Comfort

7.3

Boarding

7.7

Food

6.6

Overall

7.4

Entertainment

7.1

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
9,141 reviews
United Airlines
7.4
Good
9,141 reviews

Crew

8.1

Comfort

7.3

Boarding

7.7

Food

6.6

Overall

7.4

Entertainment

7.1

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
7.2
Good
11,095 reviews
United Airlines
7.4
Good
9,141 reviews

Crew

8.1

Comfort

7.3

Boarding

7.7

Food

6.6

Overall

7.4

Entertainment

7.1

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
10,603 reviews
United Airlines
7.4
Good
9,141 reviews

Crew

8.1

Comfort

7.3

Boarding

7.7

Food

6.6

Overall

7.4

Entertainment

7.1

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 9h 50m. Fly via Virgin Atlantic, United Airlines, or KLM 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 $454 on this airline. Additional options worth looking into are United Airlines and American Airlines, starting at $516 and $530 round-trip. Air Canada is 29% cheaper than the average price of flights available within the next 90 days to this destination.

  • What are the cheapest airlines to fly from New York LaGuardia Airport to London Heathrow Airport one-way?

    One-way options have recently been found by users for as low as $174 on United Airlines. Other airlines that offer cheap prices include Air Canada from $234 and Delta from $298 one-way.

  • 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 $392). Flying from New York LaGuardia Airport to London Heathrow Airport in December is currently the most expensive (average of $905). 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
Southend-on-Sea
Harrow
Eastleigh
Gatwick
Dartford
Dover
Winchester
Croydon
Orpington
Northampton
Watford
Hayes
Borehamwood
Broadway
Aylesbury
Chipping Norton
Horley
Kingston upon Thames

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 January 8, 2026.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$454Average$666FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$516Average$630FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$530Average$866FlexibilityNo cancel feeOn-time71%

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