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O'Hare Intl

$255+ Cheap flights from London, ON (YXU) to O'Hare Intl (ORD)

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 5/14. Fares are subject to change and may not be available on all flights or dates of travel.
YXU — ORD
May 1 — May 81
Fri 5/1
Fri 5/8
1 adult, Economy
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1. Tell us where you want to go

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Cheap flight deals from London to O'Hare Intl

Cheapest flights from London to O'Hare Intl
Explore the most affordable flight options available from London to O'Hare Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 1, 2026.

This Air Canada deal was found by Cheapflights users on 3/28. 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.
Fri 10/169:30 am
YXU
-
ORD
1 stop4h 53m
Air Canada
Sun 10/183:45 pm
ORD
-
YXU
1 stop4h 55m
Air Canada
Deal found 3/28$449
This Air Canada deal was found by Cheapflights users on 3/30. 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 5/99:30 am
YXU
-
ORD
1 stop4h 55m
Air Canada
Tue 5/122:15 pm
ORD
-
YXU
1 stop6h 23m
Air Canada
Deal found 3/30$466
This Air Canada deal was found by Cheapflights users on 3/27. 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 5/29:30 am
YXU
-
ORD
1 stop6h 25m
Air Canada
Tue 5/53:50 pm
ORD
-
YXU
1 stop4h 48m
Air Canada
Deal found 3/27$467
This Trip.com deal was found by Cheapflights users on 3/27. 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.
Tue 5/129:30 am
YXU
-
ORD
1 stop4h 55m
Air Canada
Tue 5/198:20 pm
ORD
-
YXU
1 stop11h 33m
Air Canada
Deal found 3/27$529
This United Airlines deal was found by Cheapflights users on 4/1. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/112:20 pm
YXU
-
ORD
2 stops10h 22m
United Airlines
Mon 5/43:50 pm
ORD
-
YXU
1 stop4h 48m
United Airlines
Deal found 4/1$532
This United Airlines deal was found by Cheapflights users on 3/28. 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 10/165:40 am
YXU
-
ORD
1 stop4h 20m
United Airlines
Sun 10/187:30 am
ORD
-
YXU
2 stops6h 25m
United Airlines
Deal found 3/28$566

Find flight deals from London to O'Hare Intl

Discover tips and strategies to find the most affordable flight options for your journey from London (YXU) to O'Hare Intl (ORD). 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 April 1, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$466
(Air Canada)

One-way from

$255
(Air Canada)
Provider with most accurate pricing for London-Chicago O'Hare Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for London-Chicago O'Hare Intl flights.
Search Deals
From London to Chicago O'Hare Intl
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One-way flight from London to Chicago O'Hare Intl
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Cheapflights Fare Finder

 
Customize your flight search to find flights from London to O'Hare Intl 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 April 1, 2026.
Use the filters below to find and compare flights from London to Chicago O'Hare Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

LondonChicago

YXU - ORD

YXUORD

London

Sat 5/9

9:30 am-1:25 pm

1 stop4h 55m

Chicago O'Hare Intl

Tue 5/12

2:15 pm-9:38 pm

1 stop6h 23m

$466
Quickest round-trip

LondonChicago

YXU - ORD

YXUORD

London

Sat 5/2

9:30 am-2:55 pm

1 stop6h 25m

Chicago O'Hare Intl

Tue 5/5

3:50 pm-9:38 pm

1 stop4h 48m

$467
Cheapest one-way
Quickest one-way

LondonChicago

YXU - ORD

YXUORD

London

Fri 5/15

5:10 am-9:05 am

1 stop4h 55m

$255

LondonChicago

YXU - ORD

YXUORD

London

Thu 5/14

9:30 am-2:55 pm

1 stop6h 25m

$255

LondonChicago

YXU - ORD

YXUORD

London

Tue 5/12

9:30 am-1:25 pm

1 stop4h 55m

$256

LondonChicago

YXU - ORD

YXUORD

London

Fri 5/15

9:30 am-2:01 pm

1 stop5h 31m

$285

LondonChicago

YXU - ORD

YXUORD

London

Tue 5/12

9:30 am-4:55 pm

2 stops8h 25m

$291

LondonChicago

YXU - ORD

YXUORD

London

Thu 5/14

5:10 am-12:08 pm

2 stops7h 58m

$332

LondonChicago

YXU - ORD

YXUORD

London

Tue 5/12

6:10 am-6:39 am

3 stops25h 29m

$351

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/31

Sorted by cheapest first

Compare providers for flights from London to O'Hare Intl

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from London to O'Hare Intl in April.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
ExpediaPrice Accuracy1 starTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on London, Ontario-Chicago O'Hare Intl Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on London, Ontario-Chicago O'Hare Intl Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from London, Ontario-Chicago O'Hare Intl Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on London, Ontario-Chicago O'Hare Intl Airport 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 London, Ontario-Chicago O'Hare Intl Airport 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 London to O'Hare Intl

Have a flexible travel schedule? Discover the best time to fly to O'Hare Intl from London 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 London to Chicago O'Hare Intl Airport

What is the cheapest month to book a flight from London, Ontario to Chicago O'Hare Intl Airport?

Currently, January is the cheapest month in which you can book a flight from London, Ontario to Chicago O'Hare Intl Airport (average of $128). Flying from London, Ontario to Chicago O'Hare Intl Airport in April is currently the most expensive (average of $212). 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 London to O'Hare Intl. 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 from for flights from London to Chicago O'Hare Intl?

    London (YXU) is the airport you will fly out of if you book a flight from London to Chicago O'Hare Intl. You should not have trouble finding flights to Chicago O'Hare Intl from London; the airport handles an average of 0 outbound flights to Chicago O'Hare Intl per day. You should also have plenty of airline options to choose from since 0 airlines have flights from the London airport to Chicago O'Hare Intl. It is only a 5.3 mi journey to London (YXU) from London’s city center.

  • How long is the flight from London, Ontario to Chicago O'Hare Intl Airport?

    Air Canada can get you from London, Ontario to Chicago O'Hare Intl Airport in just under 4h 55m. Your travel time can differ by up to . There are 351 mi between London, Ontario and Chicago O'Hare Intl Airport.

  • Can I find deals for flights from London to O'Hare Intl that include hotel bookings?

    Yes. In addition to deals on London to O'Hare Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from London to O'Hare Intl?

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

  • Can I find deals for business class flights from London to O'Hare Intl?

    Yes. Cheapflights offers flight deals from London to O'Hare Intl 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 London, Ontario to Chicago O'Hare Intl Airport?

    Currently, January is the cheapest month in which you can book a flight from London, Ontario to Chicago O'Hare Intl Airport (average of $128). Flying from London, Ontario to Chicago O'Hare Intl Airport in April is currently the most expensive (average of $212). 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 Chicago O'Hare Intl Airport?

Book flights to Chicago O'Hare Intl Airport if you plan to visit one of these locations
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Gurnee
Naperville
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Delavan
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Des Plaines
Elgin
Oakbrook Terrace
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Lansing

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