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 United Airlines. Our recent data shows that you can find tickets from as low as $526 on this airline. Additional options worth looking into are Air Canada and Austrian Airlines, starting at $527 and $571 round-trip. United Airlines is 13% 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 $276 on Air Canada. Other airlines that offer cheap prices include United Airlines from $294 and Icelandair from $315 one-way.

What is the cheapest day to fly from New York LaGuardia Airport to London Heathrow Airport?

Travelers seeking maximum savings on their New York LaGuardia Airport to London Heathrow Airport flight should consider departing on Thursday at noon when fares are most often at their lowest. Sunday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

What are the most popular airlines that fly from New York LaGuardia Airport to London Heathrow Airport?

The most popular airlines flying from New York LaGuardia Airport to London Heathrow Airport are American Airlines, Air Canada and British Airways. Something to consider prior to booking your flight.

What is the cheapest day to fly round-trip from New York LaGuardia Airport to London Heathrow Airport?

Monday is generally a great day to depart. Flying on this day could help you save up to 21%.

What is the cheapest month to fly from New York LaGuardia Airport to London Heathrow Airport?

Due to multiple factors, expect to potentially pay more when booking in December. For low rates, January can be a great choice for travel to London Heathrow Airport. Flights to London Heathrow Airport from New York LaGuardia Airport in January are about $563 on average during January, but can be found for as low as $374.

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.

$275+ Flights from New York LaGuardia Airport, NY to London Heathrow Airport

Q: How far in advance should I book a flight from New York LaGuardia Airport to London Heathrow Airport?

When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 31 days in advance, which can save you up to 25% on flights from New York LaGuardia Airport to London Heathrow Airport compared to booking the week you need them. Waiting 31 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at $630. For sooner than that we have options available in the next 3 days from $696.

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Cheapflights Tip: The best prices from New York LaGuardia to London Heathrow are usually found in February or October, booked 26 days in advance, depart on a Tuesday or Thursday and return on a Tuesday

Cheap flight deals from LaGuardia to Heathrow

Most accurate provider	AranGrant 3 stars
Most trusted provider	AranGrant 3 stars
Round-trip from	$526 (United Airlines)
One-way from	$276 (Booking.com)
Popular in	July
Cheapest in	February
Average price	$727

Provider with most accurate pricing for New York (NYC)-London (LON) flight deals.

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Provider most trusted by Cheapflights users for New York (NYC)-London (LON) 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. 16% potential increase in price ($118 potential increase over avg. RT price).

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Cheapest flight prices on average. 2% potential price decrease ($15 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 2, 2025.

Tue 8/127:15 pmLGA - LHR

1 stop9h 45mAir Canada

Sun 8/319:30 amLHR - LGA

1 stop12h 29mAir Canada

Deal found 6/2

$525

Wed 8/133:30 pmLGA - LHR

1 stop13h 30mUnited Airlines

Wed 8/204:40 pmLHR - LGA

1 stop12h 03mUnited Airlines

Deal found 6/2

$526

Wed 8/135:45 pmLGA - LHR

2 stops12h 25mMultiple Airlines

Wed 8/209:10 pmLHR - LGA

2 stops23h 43mMultiple Airlines

Deal found 6/1

$530

Mon 12/152:05 pmLGA - LHR

1 stop11h 25mLufthansa

Thu 1/111:10 amLHR - LGA

1 stop13h 43mLufthansa

Deal found 6/1

$568

Wed 7/305:45 pmLGA - LHR

1 stop9h 05mAmerican Airlines

Wed 8/202:40 pmLHR - LGA

1 stop10h 49mAmerican Airlines

Deal found 6/1

$577

Mon 7/141:01 pmLGA - LHR

1 stop15h 24mBritish Airways

Mon 8/2510:50 amLHR - LGA

2 stops17h 54mBritish Airways

Deal found 6/1

$593

Best flights from LaGuardia to Heathrow
Discover carefully curated flight deals from LaGuardia to Heathrow that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 2, 2025.

Wed 8/1310:15 amLGA - LHR

1 stop15h 15mUnited Airlines

Wed 8/204:40 pmLHR - LGA

1 stop12h 03mUnited Airlines

Deal found 6/1

$526

Mon 8/1110:30 amLGA - LHR

1 stop15h 05mAir Canada

Sun 8/319:30 amLHR - LGA

1 stop10h 15mAir Canada

Deal found 6/1

$527

Wed 8/135:45 pmLGA - LHR

2 stops12h 25mMultiple Airlines

Wed 8/209:10 pmLHR - LGA

2 stops23h 43mMultiple Airlines

Deal found 6/1

$530

Mon 7/213:50 pmLGA - LHR

1 stop11h 45mAustrian Airlines

Tue 7/294:40 pmLHR - LGA

1 stop11h 59mAustrian Airlines

Deal found 5/31

$571

Wed 7/305:45 pmLGA - LHR

1 stop9h 05mAmerican Airlines

Wed 8/202:40 pmLHR - LGA

1 stop10h 49mAmerican Airlines

Deal found 6/1

$577

Mon 7/141:01 pmLGA - LHR

1 stop15h 24mBritish Airways

Mon 8/2510:50 amLHR - LGA

2 stops17h 54mBritish Airways

Deal found 6/1

$593

Mon 8/45:45 pmLGA - LHR

2 stops15h 55mLufthansa

Tue 8/128:30 amLHR - LGA

1 stop16h 28mLufthansa

Deal found 6/1

$617

Sat 9/279:00 amLGA - LHR

2 stops19h 20mScandinavian Airlines

Tue 10/146:40 amLHR - LGA

2 stops17h 54mScandinavian Airlines

Deal found 6/1

$718

Last-minute flights from LaGuardia to Heathrow
Discover last-minute flight deals from LaGuardia to Heathrow. Data last updated June 2, 2025 and is based on user searches.

Sat 6/73:50 pmLGA - LHR

2 stops13h 10mMultiple Airlines

Sat 6/146:50 amLHR - LGA

2 stops15h 08mMultiple Airlines

Deal found 6/2

$727

Mon 6/98:45 amLGA - LHR

1 stop16h 45mAir Canada

Mon 6/167:30 pmLHR - LGA

2 stops29h 29mAir Canada

Deal found 6/1

$582

Mon 6/98:17 pmLGA - LHR

2 stops36h 28mWestJet

Wed 7/26:15 amLHR - LGA

2 stops30h 37mWestJet

Deal found 6/2

$1,748

Mon 6/912:59 pmLGA - LHR

2 stops24h 31mScandinavian Airlines

Mon 6/167:05 amLHR - LGA

3 stops18h 29mScandinavian Airlines

Deal found 6/1

$2,632

Tue 6/105:45 pmLGA - LHR

1 stop11h 15mLufthansa

Thu 6/195:40 pmLHR - LGA

1 stop31h 18mLufthansa

Deal found 6/1

$4,622

Wed 6/115:30 pmLGA - LHR

1 stop9h 20mAmerican Airlines

Wed 7/308:55 amLHR - LGA

1 stop11h 35mAmerican Airlines

Deal found 6/1

$631

Wed 6/113:30 pmLGA - LHR

1 stop13h 05mUnited Airlines

Tue 8/269:30 amLHR - LGA

1 stop10h 15mUnited Airlines

Deal found 6/1

$711

Wed 6/118:00 pmLGA - LHR

1 stop9h 30mVirgin Atlantic

Tue 8/269:00 amLHR - LGA

2 stops14h 35mVirgin Atlantic

Deal found 6/1

$1,057

Thu 6/121:10 pmLGA - LHR

1 stop16h 10mBritish Airways

Thu 7/37:40 amLHR - LGA

2 stops18h 20mBritish Airways

Deal found 6/1

$1,026

Thu 6/128:00 pmLGA - LHR

1 stop9h 30mDelta

Wed 6/189:40 amLHR - LGA

1 stop10h 45mDelta

Deal found 6/2

$1,525

Mon 6/168:45 pmLGA - LHR

1 stop31h 50mUnited Airlines

Thu 6/267:25 amLHR - LGA

2 stops17h 33mUnited Airlines

Deal found 6/1

$614

Wed 6/2511:45 amLGA - LHR

1 stop13h 50mAir Canada

Wed 7/29:30 amLHR - LGA

1 stop12h 27mAir Canada

Deal found 6/1

$570

One-way flights from LaGuardia to Heathrow
Search for one-way flight options from LaGuardia to Heathrow. Find affordable one-way fares based on user searches. Data last updated June 2, 2025.

Tue 7/227:15 pmLGA - LHR

1 stop9h 45mAir Canada

Deal found 6/1

$276

Sat 7/55:55 amLGA - LHR

3 stops33h 25mMultiple Airlines

Deal found 6/2

$292

Tue 7/293:30 pmLGA - LHR

1 stop10h 00mUnited Airlines

Deal found 6/1

$294

Sat 7/265:00 pmLGA - LHR

2 stops22h 20mIcelandair

Deal found 6/1

$315

Fri 10/35:00 pmLGA - LHR

1 stop12h 30mVirgin Atlantic

Deal found 6/1

$322

Thu 7/1012:59 pmLGA - LHR

1 stop12h 46mDelta

Deal found 6/2

$363

Sun 8/311:00 pmLGA - LHR

2 stops15h 20mScandinavian Airlines

Deal found 6/1

$366

Tue 11/2510:55 amLGA - LHR

2 stops20h 45mTAP AIR PORTUGAL

Deal found 6/1

$418

Sat 7/196:49 pmLGA - LHR

1 stop12h 26mBritish Airways

Deal found 5/31

$473

Tue 6/105:45 pmLGA - LHR

1 stop11h 15mLufthansa

Deal found 6/2

$488

Cheapflights Fare Finder

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

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Tue 8/12

7:15 pm-10:00 am

1 stop9h 45m

London Heathrow

Sun 8/31

9:30 am-4:59 pm

1 stop12h 29m

$525

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Wed 8/13

3:30 pm-10:00 am

1 stop13h 30m

London Heathrow

Wed 8/20

4:40 pm-11:43 pm

1 stop12h 03m

$526

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Wed 8/13

5:45 pm-11:10 am

2 stops12h 25m

London Heathrow

Wed 8/20

9:10 pm-3:53 pm

2 stops23h 43m

$530

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Wed 7/30

5:45 pm-7:50 am

1 stop9h 05m

London Heathrow

Wed 8/20

2:40 pm-8:29 pm

1 stop10h 49m

$577

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Mon 7/14

1:01 pm-9:25 am

1 stop15h 24m

London Heathrow

Mon 8/25

10:50 am-11:44 pm

2 stops17h 54m

$593

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Fri 9/19

2:20 pm-6:35 am

1 stop11h 15m

London Heathrow

Tue 10/21

12:05 pm-7:59 pm

1 stop12h 54m

$609

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Sat 9/13

10:15 am-6:30 am

1 stop15h 15m

$275

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Sat 7/5

5:55 am-8:20 pm

3 stops33h 25m

$292

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Tue 7/29

3:30 pm-6:30 am

1 stop10h 00m

$294

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Sat 7/26

5:00 pm-8:20 pm

2 stops22h 20m

$315

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/2

Showing 1-10 of 16 results

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?

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 $1,102). 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?

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

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

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

Peruse reviews from past customers who have flown with Delta, Austrian Airlines 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

7,955 reviews

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

7,955 reviews

Delta

8.0

Very good

7,955 reviews

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.

Austrian Airlines

7.6

Good

799 reviews

Delta

8.0

Very good

7,955 reviews

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

8,768 reviews

Delta

8.0

Very good

7,955 reviews

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

647 reviews

Delta

8.0

Very good

7,955 reviews

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

1,377 reviews

Delta

8.0

Very good

7,955 reviews

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

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 United Airlines. Our recent data shows that you can find tickets from as low as $526 on this airline. Additional options worth looking into are Air Canada and Austrian Airlines, starting at $527 and $571 round-trip. United Airlines is 13% 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 $276 on Air Canada. Other airlines that offer cheap prices include United Airlines from $294 and Icelandair from $315 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 $1,102). 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

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Wembley

Broadway

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Sutton

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Top 5 airlines flying from LaGuardia to Heathrow

Airline	Cheapest	Average	Flexibility	On-time
British Airways	Cheapest$338	Average$779	FlexibilityNo cancel fee	On-time70%
Delta	Cheapest$414	Average$620	FlexibilityNo cancel fee	On-timeN/A
Air Canada	Cheapest$454	Average$616	FlexibilityNo cancel fee	On-time67%
United Airlines	Cheapest$457	Average$649	FlexibilityNo cancel fee	On-time69%
American Airlines	Cheapest$592	Average$775	FlexibilityNo cancel fee	On-time71%

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$275+ 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 9/13. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from LaGuardia to Heathrow with Cheapflights

1. Tell us where you want to go

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3. Compare prices and book

Cheapflights Tip: The best prices from New York LaGuardia to London Heathrow are usually found in February or October, booked 26 days in advance, depart on a Tuesday or Thursday and return on a Tuesday

Cheap flight deals from LaGuardia to Heathrow

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Find flight deals from LaGuardia to Heathrow

Cheapest flights from LaGuardia to HeathrowExplore 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 2, 2025.

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 2, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from New York LaGuardia Airport to London Heathrow Airport that are best for you.

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.

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 May 23, 2025.

What is the cheapest month to book a flight from New York LaGuardia Airport to London Heathrow Airport?

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 2, 2025.

Rainfall in Heathrow by month

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

Temperature in Heathrow by month

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

Reviews of airlines servicing Heathrow

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?

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

Can I find deals for flights from LaGuardia to Heathrow that include hotel bookings?

How can I find direct flights from LaGuardia to Heathrow?

Can I find deals for business class flights from LaGuardia to Heathrow?

What is the cheapest month to book a flight from New York LaGuardia Airport to London Heathrow Airport?

Traveling to a place near New York LaGuardia Airport?

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Alternative routes for LaGuardia to Heathrow

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Top 5 airlines flying from LaGuardia to Heathrow

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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 2, 2025.