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$278+ 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 4/16. Fares are subject to change and may not be available on all flights or dates of travel.
LGA — YXU
Apr 11 — Apr 181
Sat 4/11
Sat 4/18
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 March 12, 2026.

This Air Canada deal was found by Cheapflights users on 3/8. 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 4/294:30 pm
LGA
-
YXU
1 stop4h 49m
Air Canada
Fri 5/19:30 am
YXU
-
LGA
1 stop6h 20m
Air Canada
Deal found 3/8$618
This Air Canada deal was found by Cheapflights users on 3/11. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/2510:30 am
LGA
-
YXU
1 stop10h 49m
Air Canada
Sat 5/29:30 am
YXU
-
LGA
1 stop6h 20m
Air Canada
Deal found 3/11$665
This Air Canada deal was found by Cheapflights users on 3/8. 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.
Sun 4/56:35 am
LGA
-
YXU
1 stop10h 29m
Air Canada
Sun 4/125:10 am
YXU
-
LGA
1 stop4h 16m
Air Canada
Deal found 3/8$676

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 March 12, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$618
(Air Canada)

One-way from

$278
(Kiwi.com)
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 March 12, 2026.
Use the filters below to find and compare flights from New York LaGuardia Airport to London that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

New YorkLondon

LGA - YXU

LGAYXU

New York LaGuardia

Tue 4/21

11:35 am-5:04 pm

1 stop5h 29m

London

Tue 4/28

5:10 am-9:26 am

1 stop4h 16m

$618

New YorkLondon

LGA - YXU

LGAYXU

New York LaGuardia

Wed 4/29

11:40 am-5:04 pm

1 stop5h 24m

London

Fri 5/1

12:20 pm-6:10 pm

1 stop5h 50m

$618
Cheapest one-way

New YorkLondon

LGA - YXU

LGAYXU

New York LaGuardia

Thu 4/16

11:59 am-6:35 am

2 stops18h 36m

$278

New YorkLondon

LGA - YXU

LGAYXU

New York LaGuardia

Wed 4/15

9:55 am-6:35 am

2 stops20h 40m

$291

New YorkLondon

LGA - YXU

LGAYXU

New York LaGuardia

Mon 5/18

4:00 pm-9:38 pm

1 stop5h 38m

$292
Quickest one-way

New YorkLondon

LGA - YXU

LGAYXU

New York LaGuardia

Tue 4/28

4:30 pm-9:19 pm

1 stop4h 49m

$293

New YorkLondon

LGA - YXU

LGAYXU

New York LaGuardia

Fri 5/29

4:45 pm-9:38 pm

1 stop4h 53m

$293

New YorkLondon

LGA - YXU

LGAYXU

New York LaGuardia

Wed 4/15

3:30 pm-9:19 pm

1 stop5h 49m

$298

New YorkLondon

LGA - YXU

LGAYXU

New York LaGuardia

Fri 7/3

8:25 pm-1:50 pm

2 stops41h 25m

$351

New YorkLondon

LGA - YXU

LGAYXU

New York LaGuardia

Mon 5/18

8:25 pm-1:50 pm

2 stops17h 25m

$366

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/11

Sorted by cheapest first
  • 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 February is currently the most expensive (average of $191). 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 29m. 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 February is currently the most expensive (average of $191). 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.

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