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O'Hare Intl

$186+ 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 1/29. Fares are subject to change and may not be available on all flights or dates of travel.
YXU — ORD
Jan 15 — Jan 221
Thu 1/15
Thu 1/22
1 adult, Economy
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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 December 16, 2025.

This United Airlines deal was found by Cheapflights users on 12/15. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/219:25 amYXU - ORD
1 stop6h 45mUnited Airlines
Fri 1/210:00 amORD - YXU
1 stop6h 05mUnited Airlines
Deal found 12/15$875
This Air Canada deal was found by Cheapflights users on 12/14. 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.
Sun 12/219:25 amYXU - ORD
1 stop6h 45mAir Canada
Sun 1/48:40 pmORD - YXU
1 stop11h 06mAir Canada
Deal found 12/14$1,101
This United Airlines deal was found by Cheapflights users on 12/14. 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.
Sun 12/215:10 amYXU - ORD
1 stop5h 03mUnited Airlines
Sun 1/46:21 pmORD - YXU
2 stops13h 25mUnited Airlines
Deal found 12/14$1,188

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 December 16, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$347
(Kiwi.com)

One-way from

$186
(Kiwi.com)
Provider with most accurate pricing for London-Chicago O'Hare Intl flight deals.
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Provider most trusted by Cheapflights users for London-Chicago O'Hare Intl flights.
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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 December 16, 2025.
Use the filters below to find and compare flights from London to Chicago O'Hare Intl Airport that are best for you.

Fly from

London

Fly to

O'Hare Intl

Route

Depart

Return

Price

LondonChicago

YXU - ORD

YXUORD

London

Thu 1/15

9:50 am-3:10 pm

1 stop6h 20m

Chicago O'Hare Intl

Wed 1/21

3:55 pm-9:21 pm

1 stop4h 26m

$469

LondonChicago

YXU - ORD

YXUORD

London

Thu 1/29

8:10 pm-1:35 pm

1 stop18h 25m

Chicago O'Hare Intl

Thu 2/5

9:00 am-6:35 am

2 stops20h 35m

$470

LondonChicago

YXU - ORD

YXUORD

London

Thu 1/29

9:50 am-3:10 pm

1 stop6h 20m

Chicago O'Hare Intl

Thu 2/5

3:55 pm-9:21 pm

1 stop4h 26m

$496

LondonChicago

YXU - ORD

YXUORD

London

Sun 12/21

9:25 am-3:10 pm

1 stop6h 45m

Chicago O'Hare Intl

Fri 1/2

10:00 am-5:05 pm

1 stop6h 05m

$875

LondonChicago

YXU - ORD

YXUORD

London

Sun 12/21

9:25 am-3:10 pm

1 stop6h 45m

Chicago O'Hare Intl

Sun 1/4

8:40 pm-8:46 am

1 stop11h 06m

$1,101

LondonChicago

YXU - ORD

YXUORD

London

Sun 12/21

5:10 am-9:13 am

1 stop5h 03m

Chicago O'Hare Intl

Sun 1/4

6:21 pm-8:46 am

2 stops13h 25m

$1,188

LondonChicago

YXU - ORD

YXUORD

London

Thu 1/29

8:10 pm-4:51 pm

2 stops45h 41m

$186

LondonChicago

YXU - ORD

YXUORD

London

Thu 1/29

9:50 am-1:01 pm

1 stop4h 11m

$268

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/14

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 December.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*1 star
ExpediaPrice Accuracy2 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust 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 eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on London, Ontario-Chicago O'Hare Intl Airport flight deals on Cheapflights vs. eDreams >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 eDreams the most. eDreams 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, April is the cheapest month in which you can book a flight from London, Ontario to Chicago O'Hare Intl Airport (average of $82). Flying from London, Ontario to Chicago O'Hare Intl Airport in July is currently the most expensive (average of $193). 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 6h 20m. 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, April is the cheapest month in which you can book a flight from London, Ontario to Chicago O'Hare Intl Airport (average of $82). Flying from London, Ontario to Chicago O'Hare Intl Airport in July is currently the most expensive (average of $193). 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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