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$244+ 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 7/23. Fares are subject to change and may not be available on all flights or dates of travel.
LGA — LHR
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
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Cheapflights Tip: The best prices from New York LaGuardia to London Heathrow are usually found in October or February, booked 26 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 June 12, 2025.

Round-trip from

$513
(Gotogate)

One-way from

$244
(lastminute.com)

Popular in

June

Cheapest in

October

Average price

$820
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. 19% potential increase in price ($150 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($19 potential savings vs. average RT price).
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Average for round-trip flights in June 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 June 12, 2025.

This Gotogate deal was found by Cheapflights users on 6/11. 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.
Tue 8/263:30 pmLGA - LHR
1 stop10h 00mLufthansa
Tue 9/22:05 pmLHR - LGA
1 stop10h 32mLufthansa
Deal found 6/11$513
This United Airlines deal was found by Cheapflights users on 6/10. 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.
Wed 8/273:30 pmLGA - LHR
1 stop10h 00mUnited Airlines
Thu 9/49:30 amLHR - LGA
1 stop14h 00mUnited Airlines
Deal found 6/10$517
This Air Canada deal was found by Cheapflights users on 6/12. 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 8/207:10 pmLGA - LHR
1 stop9h 50mAir Canada
Wed 8/279:30 amLHR - LGA
1 stop10h 15mAir Canada
Deal found 6/12$518
This Virgin Atlantic deal was found by Cheapflights users on 6/12. 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.
Tue 9/24:00 pmLGA - LHR
1 stop11h 05mVirgin Atlantic
Wed 9/109:00 amLHR - LGA
2 stops15h 38mVirgin Atlantic
Deal found 6/12$523
This Delta deal was found by Cheapflights users on 6/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/134:00 pmLGA - LHR
1 stop9h 45mDelta
Thu 8/219:40 amLHR - LGA
1 stop10h 44mDelta
Deal found 6/10$532
This Booking.com deal was found by Cheapflights users on 6/12. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/2011:40 amLGA - LHR
2 stops13h 50mMultiple Airlines
Mon 8/256:50 amLHR - LGA
2 stops16h 10mMultiple Airlines
Deal found 6/12$544
This British Airways deal was found by Cheapflights users on 6/10. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/131:15 pmLGA - LHR
1 stop15h 10mBritish Airways
Tue 8/191:40 pmLHR - LGA
1 stop14h 23mBritish Airways
Deal found 6/10$560
This KLM deal was found by Cheapflights users on 6/11. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/91:59 pmLGA - LHR
1 stop11h 46mKLM
Wed 7/239:40 amLHR - LGA
1 stop12h 49mKLM
Deal found 6/11$575
This American Airlines deal was found by Cheapflights users on 6/12. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/215:45 pmLGA - LHR
1 stop9h 05mAmerican Airlines
Wed 7/308:55 amLHR - LGA
1 stop11h 35mAmerican Airlines
Deal found 6/12$622

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 June 12, 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 8/26

3:30 pm-6:30 am

1 stop10h 00m

London Heathrow

Tue 9/2

2:05 pm-7:37 pm

1 stop10h 32m

$513

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Wed 8/27

3:30 pm-6:30 am

1 stop10h 00m

London Heathrow

Thu 9/4

9:30 am-6:30 pm

1 stop14h 00m

$517

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Wed 8/20

7:10 pm-10:00 am

1 stop9h 50m

London Heathrow

Wed 8/27

9:30 am-2:45 pm

1 stop10h 15m

$518

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Tue 9/2

6:00 pm-10:30 am

1 stop11h 30m

London Heathrow

Wed 9/10

9:00 am-7:38 pm

2 stops15h 38m

$523

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Wed 8/13

4:00 pm-6:45 am

1 stop9h 45m

London Heathrow

Thu 8/21

9:40 am-3:24 pm

1 stop10h 44m

$532

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Wed 8/20

11:40 am-6:30 am

2 stops13h 50m

London Heathrow

Mon 8/25

6:50 am-6:00 pm

2 stops16h 10m

$544

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Wed 8/13

1:15 pm-9:25 am

1 stop15h 10m

London Heathrow

Tue 8/19

1:40 pm-11:03 pm

1 stop14h 23m

$560

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Wed 7/9

1:59 pm-6:45 am

1 stop11h 46m

London Heathrow

Wed 7/23

9:40 am-5:29 pm

1 stop12h 49m

$575

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Mon 7/21

5:45 pm-7:50 am

1 stop9h 05m

London Heathrow

Wed 7/30

8:55 am-3:30 pm

1 stop11h 35m

$622

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Wed 7/23

4:59 pm-8:05 am

1 stop10h 06m

$244

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

Showing 1-10 of 18 results
1
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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 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 June 9, 2025.

The best time to book flights from New York LaGuardia Airport to London Heathrow Airport is 26 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 $1,108). 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 June 12, 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.

Rainfall in Heathrow by month

Plan your trip to Heathrow by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in London Heathrow Airport ranges from 1.6 - 2.8 inches per month. January is typically the wettest month, when rainfall can reach 2.8 in. July is typically the driest time to visit London Heathrow Airport when rainfall is around 1.6 in.

Temperature in Heathrow by month

Plan your trip to Heathrow by taking into account the average temperature totals by month.

If weather is an important factor for your trip to London Heathrow Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 62.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 39.2 F).

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 June 12, 2025.
Peruse reviews from past customers who have flown with Delta, KLM and United Airlines from New York to London to help guide your decision. 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
7,950 reviews

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Entertainment

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
7,950 reviews
Delta
8.0
Very good
7,950 reviews

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Entertainment

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.
KLM
7.8
Good
1,358 reviews
Delta
8.0
Very good
7,950 reviews

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Entertainment

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
8,790 reviews
Delta
8.0
Very good
7,950 reviews

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Entertainment

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.
Virgin Atlantic
7.4
Good
652 reviews
Delta
8.0
Very good
7,950 reviews

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Entertainment

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.
Scandinavian Airlines
7.3
Good
1,387 reviews
Delta
8.0
Very good
7,950 reviews

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Entertainment

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 Lufthansa. Our recent data shows that you can find tickets from as low as $513 on this airline. Additional options worth looking into are United Airlines and Air Canada, starting at $517 and $518 round-trip. Lufthansa is 16% 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 $244 on Virgin Atlantic. Other airlines that offer cheap prices include Air Canada from $272 and KLM from $275 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 $1,108). 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 New York LaGuardia Airport?

Book flights to New York LaGuardia Airport if you plan to visit one of these locations
Hayes
Hounslow
Thornton Heath
Luton
Canterbury
Harrow
Dover
Stratford-upon-Avon
Gatwick
Orpington
Watford
Northampton
Croydon
Folkestone
Borehamwood
Broadway
Sutton
Aylesbury
Chelmsford
Brentwood

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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$338Average$779FlexibilityNo cancel feeOn-time70%
DeltaCheapest$414Average$620FlexibilityNo cancel feeOn-timeN/A
Air CanadaCheapest$454Average$616FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$457Average$630FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$592Average$775FlexibilityNo cancel feeOn-time71%

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