HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
London

$245+ 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 4/1. Fares are subject to change and may not be available on all flights or dates of travel.
LGA — YXU
Mar 20 — Mar 271
Fri 3/20
Fri 3/27
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from LaGuardia to London 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.

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 18, 2026.

This Trip.com deal was found by Cheapflights users on 2/15. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/111:40 am
LGA
-
YXU
1 stop5h 23m
Air Canada
Wed 4/89:25 am
YXU
-
LGA
1 stop4h 11m
Air Canada
Deal found 2/15$465
This Gotogate deal was found by Cheapflights users on 2/17. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/311:40 am
LGA
-
YXU
1 stop5h 23m
Air Canada
Fri 4/109:25 am
YXU
-
LGA
1 stop4h 11m
Air Canada
Deal found 2/17$511
This Air Canada deal was found by Cheapflights users on 2/14. 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.
Mon 3/233:30 pm
LGA
-
YXU
1 stop5h 51m
Air Canada
Mon 3/309:40 am
YXU
-
LGA
1 stop3h 56m
Air Canada
Deal found 2/14$539
This Air Canada deal was found by Cheapflights users on 2/16. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/211:40 am
LGA
-
YXU
1 stop5h 23m
Air Canada
Thu 4/99:25 am
YXU
-
LGA
1 stop5h 16m
Air Canada
Deal found 2/16$597
This United Airlines deal was found by Cheapflights users on 2/14. 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.
Tue 3/314:35 pm
LGA
-
YXU
1 stop4h 43m
United Airlines
Tue 4/75:10 am
YXU
-
LGA
1 stop4h 16m
United Airlines
Deal found 2/14$614
This Air Canada deal was found by Cheapflights users on 2/16. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/174:25 pm
LGA
-
YXU
1 stop4h 56m
Air Canada
Tue 3/245:10 am
YXU
-
LGA
1 stop4h 08m
Air Canada
Deal found 2/16$630
This Booking.com deal was found by Cheapflights users on 2/15. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/16:15 am
LGA
-
YXU
2 stops12h 48m
Multiple Airlines
Wed 4/88:10 pm
YXU
-
LGA
2 stops19h 26m
Multiple Airlines
Deal found 2/15$633
This United Airlines deal was found by Cheapflights users on 2/16. 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.
Fri 4/33:30 pm
LGA
-
YXU
1 stop5h 48m
United Airlines
Fri 4/105:40 pm
YXU
-
LGA
1 stop4h 51m
United Airlines
Deal found 2/16$672

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 18, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$465
(Trip.com)

One-way from

$245
(Air Canada)
Provider with most accurate pricing for New York LaGuardia-London flight deals.
Search Deals
Provider most trusted by Cheapflights users for New York LaGuardia-London flights.
Search Deals
From New York LaGuardia to London
Search Deals
One-way flight from New York LaGuardia to London
Search Deals

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 18, 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 4/1

11:40 am-5:03 pm

1 stop5h 23m

London

Wed 4/8

9:25 am-1:36 pm

1 stop4h 11m

$465

New YorkLondon

LGA - YXU

LGAYXU

New York LaGuardia

Mon 3/23

3:30 pm-9:21 pm

1 stop5h 51m

London

Mon 3/30

9:40 am-1:36 pm

1 stop3h 56m

$539

New YorkLondon

LGA - YXU

LGAYXU

New York LaGuardia

Fri 4/3

11:40 am-5:03 pm

1 stop5h 23m

London

Fri 4/10

9:25 am-4:58 pm

2 stops7h 33m

$573

New YorkLondon

LGA - YXU

LGAYXU

New York LaGuardia

Thu 4/2

11:40 am-5:03 pm

1 stop5h 23m

London

Thu 4/9

9:25 am-2:41 pm

1 stop5h 16m

$597

New YorkLondon

LGA - YXU

LGAYXU

New York LaGuardia

Tue 3/31

4:35 pm-9:18 pm

1 stop4h 43m

London

Tue 4/7

5:10 am-9:26 am

1 stop4h 16m

$614

New YorkLondon

LGA - YXU

LGAYXU

New York LaGuardia

Tue 3/17

4:25 pm-9:21 pm

1 stop4h 56m

London

Tue 3/24

5:10 am-9:18 am

1 stop4h 08m

$630

New YorkLondon

LGA - YXU

LGAYXU

New York LaGuardia

Wed 4/1

6:15 am-7:03 pm

2 stops12h 48m

London

Wed 4/8

8:10 pm-3:36 pm

2 stops19h 26m

$633

New YorkLondon

LGA - YXU

LGAYXU

New York LaGuardia

Fri 4/3

3:30 pm-9:18 pm

1 stop5h 48m

London

Fri 4/10

5:40 pm-10:31 pm

1 stop4h 51m

$672

New YorkLondon

LGA - YXU

LGAYXU

New York LaGuardia

Tue 3/17

1:15 pm-9:21 pm

2 stops8h 06m

London

Tue 3/24

5:10 am-9:18 am

1 stop4h 08m

$715

New YorkLondon

LGA - YXU

LGAYXU

New York LaGuardia

Wed 4/1

3:30 pm-9:18 pm

1 stop5h 48m

$245

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/14

Showing 1-10 of 12 results
1
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 $183). 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 23m. 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 $183). 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?

Book flights to London if you plan to visit one of these locations
Grand Bend

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.

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.