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$265+ Cheap flights from LaGuardia, NY (LGA) to London, ON (YXU)

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 3/19. Fares are subject to change and may not be available on all flights or dates of travel.
LGA — YXU
Mar 5 — Mar 121
Thu 3/5
Thu 3/12
1 adult, Economy
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Cheap flight deals from LaGuardia to London

Cheapest flights from LaGuardia to London
Explore the most affordable flight options available from LaGuardia to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 3, 2026.

This Flightnetwork deal was found by Cheapflights users on 2/1. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/1811:30 am
LGA
-
YXU
1 stop5h 35m
Air Canada
Wed 3/255:40 pm
YXU
-
LGA
1 stop4h 53m
Air Canada
Deal found 2/1$502
This Air Canada deal was found by Cheapflights users on 2/2. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/1711:30 am
LGA
-
YXU
1 stop5h 35m
Air Canada
Tue 3/249:40 am
YXU
-
LGA
1 stop4h 48m
Air Canada
Deal found 2/2$586
This Mytrip deal was found by Cheapflights users on 2/3. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/39:55 am
LGA
-
YXU
3 stops20h 40m
Multiple Airlines
Tue 3/108:10 pm
YXU
-
LGA
2 stops20h 45m
Multiple Airlines
Deal found 2/3$595
This Booking.com deal was found by Cheapflights users on 2/1. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/1811:30 am
LGA
-
YXU
1 stop5h 35m
Multiple Airlines
Wed 3/258:10 pm
YXU
-
LGA
3 stops26h 26m
Multiple Airlines
Deal found 2/1$606
This Air Canada deal was found by Cheapflights users on 2/3. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/33:30 pm
LGA
-
YXU
1 stop5h 51m
Air Canada
Tue 3/105:10 am
YXU
-
LGA
1 stop4h 08m
Air Canada
Deal found 2/3$619

Find flight deals from LaGuardia to London

Discover tips and strategies to find the most affordable flight options for your journey from LaGuardia (LGA) to London (YXU). 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 February 3, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$502
(Flightnetwork)

One-way from

$265
(Air Canada)
Provider with most accurate pricing for New York LaGuardia-London flight deals.
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Provider most trusted by Cheapflights users for New York LaGuardia-London flights.
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From New York LaGuardia to London
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One-way flight from New York LaGuardia to London
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Cheapflights Fare Finder

 
Customize your flight search to find flights from LaGuardia to London 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 February 3, 2026.
Use the filters below to find and compare flights from New York LaGuardia Airport to London that are best for you.

Fly from

LaGuardia

Fly to

London

Route

Depart

Return

Price

New YorkLondon

LGA - YXU

LGAYXU

New York LaGuardia

Wed 3/18

11:30 am-5:05 pm

1 stop5h 35m

London

Wed 3/25

5:40 pm-10:33 pm

1 stop4h 53m

$502

New YorkLondon

LGA - YXU

LGAYXU

New York LaGuardia

Tue 3/17

11:30 am-5:05 pm

1 stop5h 35m

London

Tue 3/24

9:40 am-2:28 pm

1 stop4h 48m

$586

New YorkLondon

LGA - YXU

LGAYXU

New York LaGuardia

Tue 3/3

9:55 am-6:35 am

3 stops20h 40m

London

Tue 3/10

8:10 pm-4:55 pm

2 stops20h 45m

$595

New YorkLondon

LGA - YXU

LGAYXU

New York LaGuardia

Wed 3/18

11:30 am-5:05 pm

1 stop5h 35m

London

Wed 3/25

8:10 pm-10:36 pm

3 stops26h 26m

$606

New YorkLondon

LGA - YXU

LGAYXU

New York LaGuardia

Tue 3/3

3:30 pm-9:21 pm

1 stop5h 51m

London

Tue 3/10

5:10 am-9:18 am

1 stop4h 08m

$619

New YorkLondon

LGA - YXU

LGAYXU

New York LaGuardia

Thu 3/19

1:05 pm-5:05 pm

1 stop4h 00m

$265

New YorkLondon

LGA - YXU

LGAYXU

New York LaGuardia

Wed 3/4

1:05 pm-5:05 pm

1 stop4h 00m

$309

New YorkLondon

LGA - YXU

LGAYXU

New York LaGuardia

Thu 3/19

9:10 am-8:46 am

2 stops23h 36m

$344

New YorkLondon

LGA - YXU

LGAYXU

New York LaGuardia

Thu 3/19

9:55 am-6:35 am

3 stops20h 40m

$534

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/2

  • Most accurate provider: When it comes to deals on New York LaGuardia Airport-London, Ontario 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, Ontario flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from New York LaGuardia Airport-London, Ontario flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on New York LaGuardia Airport-London, Ontario 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, Ontario 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 London

Have a flexible travel schedule? Discover the best time to fly to London 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

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

Currently, September is the cheapest month in which you can book a flight from New York LaGuardia Airport to London, Ontario (average of $105). Flying from New York LaGuardia Airport to London, Ontario in October is currently the most expensive (average of $184). 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.

Related info for your journey

Find useful and relevant information for your journey from LaGuardia to London. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to London from New York LaGuardia?

    Located just 5.3 mi from the city center, London is the airport most travelers will use when flying to London from New York LaGuardia. Booking flights from New York LaGuardia to London (YXU) should be relatively easy as there are 0 daily inbound flights from New York LaGuardia from 0 different airlines.

  • How long is the flight from New York LaGuardia Airport to London, Ontario?

    Airlines like Air Canada fly from New York LaGuardia Airport to London, Ontario in about 5h 35m. The time it takes to get you to your destination can typically vary by up to . The distance between New York LaGuardia Airport and London, Ontario is about 405 mi.

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

    Yes. In addition to deals on LaGuardia to London flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from LaGuardia to London?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from LaGuardia to London.

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

    Yes. Cheapflights offers flight deals from LaGuardia to London 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, Ontario?

    Currently, September is the cheapest month in which you can book a flight from New York LaGuardia Airport to London, Ontario (average of $105). Flying from New York LaGuardia Airport to London, Ontario in October is currently the most expensive (average of $184). 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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