HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Heathrow

$171+ 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 7/28. Fares are subject to change and may not be available on all flights or dates of travel.
LGA — LHR
jul. 23 — jul. 301
mié. 7/23
mié. 7/30
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from LaGuardia to Heathrow with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheapflights Tip: The best prices from New York LaGuardia to London Heathrow are usually found in October or February, booked 54 days in advance, depart on a Tuesday or Thursday and return on a Tuesday

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 julio 18, 2025.

Round-trip from

$475
(Booking.com)

One-way from

$180
(Booking.com)

Popular in

July

Cheapest in

October

Average price

$782
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. 16% potential increase in price ($124 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($15 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2025
Search Deals

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 julio 18, 2025.

This Gotogate deal was found by Cheapflights users on 7/15. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 9/207:05 pmLGA - LHR
1 stop9h 30mAir Canada
jue. 10/99:30 amLHR - LGA
1 stop12h 22mAir Canada
Deal found 7/15$472
This Gotogate deal was found by Cheapflights users on 7/15. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 9/33:30 pmLGA - LHR
1 stop10h 00mMultiple Airlines
dom. 9/79:30 amLHR - LGA
1 stop10h 17mMultiple Airlines
Deal found 7/15$495
This United Airlines deal was found by Cheapflights users on 7/16. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 8/227:29 pmLGA - LHR
1 stop30h 26mUnited Airlines
sáb. 8/309:30 amLHR - LGA
1 stop27h 32mUnited Airlines
Deal found 7/16$503
This FlightHub deal was found by Cheapflights users on 7/17. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 9/33:30 pmLGA - LHR
1 stop10h 00mLufthansa
vie. 9/262:05 pmLHR - LGA
1 stop10h 32mLufthansa
Deal found 7/17$515
This Virgin Atlantic deal was found by Cheapflights users on 7/16. 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 Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 8/113:00 pmLGA - LHR
1 stop15h 10mVirgin Atlantic
vie. 8/296:30 amLHR - LGA
2 stops16h 00mVirgin Atlantic
Deal found 7/16$524

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 julio 18, 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

sáb. 9/20

7:05 pm-9:35 am

1 stop9h 30m

London Heathrow

jue. 10/9

9:30 am-4:52 pm

1 stop12h 22m

$472

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

mié. 9/3

3:30 pm-6:30 am

1 stop10h 00m

London Heathrow

dom. 9/7

9:30 am-2:47 pm

1 stop10h 17m

$495

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

vie. 8/22

6:00 am-10:40 am

1 stop23h 40m

London Heathrow

jue. 8/28

9:30 am-8:02 am

1 stop27h 32m

$503

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

mié. 9/3

3:30 pm-6:30 am

1 stop10h 00m

London Heathrow

vie. 9/26

2:05 pm-7:37 pm

1 stop10h 32m

$515

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

lun. 8/11

6:00 pm-11:10 am

1 stop12h 10m

London Heathrow

vie. 8/29

6:30 am-5:30 pm

2 stops16h 00m

$524

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

lun. 7/28

10:15 am-10:00 am

1 stop18h 45m

$171

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

mar. 7/22

3:30 pm-6:30 am

1 stop10h 00m

$192

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

lun. 8/4

7:29 pm-10:40 am

1 stop10h 11m

$199

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

vie. 12/12

4:00 pm-7:05 am

1 stop10h 05m

$208

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/15

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

How far ahead should I book a flight from New York LaGuardia Airport to London Heathrow Airport?

Use this chart to determine the optimal time to book a round-trip flight from LaGuardia to Heathrow. Price data was last updated on July 11, 2025.

The best time to book flights from New York LaGuardia Airport to London Heathrow Airport is 54 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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 $1,095). 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 julio 18, 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 julio 18, 2025.
Read reviews from past customers who have flown Delta, United Airlines, and Virgin Atlantic 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
7,959 reviews

Boarding

8.2

Comfort

7.9

Food

7.3

Entertainment

7.9

Crew

8.5

Overall

8.0

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
7,959 reviews
Delta
8.0
Very good
7,959 reviews

Boarding

8.2

Comfort

7.9

Food

7.3

Entertainment

7.9

Crew

8.5

Overall

8.0

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
8,864 reviews
Delta
8.0
Very good
7,959 reviews

Boarding

8.2

Comfort

7.9

Food

7.3

Entertainment

7.9

Crew

8.5

Overall

8.0

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.
Virgin Atlantic
7.4
Good
655 reviews
Delta
8.0
Very good
7,959 reviews

Boarding

8.2

Comfort

7.9

Food

7.3

Entertainment

7.9

Crew

8.5

Overall

8.0

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
9,738 reviews
Delta
8.0
Very good
7,959 reviews

Boarding

8.2

Comfort

7.9

Food

7.3

Entertainment

7.9

Crew

8.5

Overall

8.0

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.
Lufthansa
6.8
Okay
7,216 reviews
Delta
8.0
Very good
7,959 reviews

Boarding

8.2

Comfort

7.9

Food

7.3

Entertainment

7.9

Crew

8.5

Overall

8.0

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 $475 on this airline. Additional options worth looking into are Lufthansa and United Airlines, starting at $476 and $503 round-trip. Air Canada is 23% 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 $180 on Air Canada. Other airlines that offer cheap prices include Lufthansa from $193 and United Airlines from $199 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 $661). Flying from New York LaGuardia Airport to London Heathrow Airport in June is currently the most expensive (average of $1,095). 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
Dover
Stratford-upon-Avon
Gatwick
Orpington
Watford
Northampton
Croydon
Borehamwood
Broadway
Aylesbury
Chelmsford
Folkestone
Chichester
Southend-on-Sea
Swindon

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 julio 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$357Average$616FlexibilityNo cancel feeOn-time67%
DeltaCheapest$414Average$593FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$457Average$628FlexibilityNo cancel feeOn-time69%
British AirwaysCheapest$521Average$781FlexibilityNo cancel feeOn-time70%
American AirlinesCheapest$603Average$775FlexibilityNo cancel feeOn-time71%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.