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$273+ Cheap flights from O'Hare Intl (ORD) 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 1/25. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — YXU
Jan 11 — Jan 181
Sun 1/11
Sun 1/18
1 adult, Economy
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Cheap flight deals from O'Hare Intl to London

Best flights from O'Hare Intl to London
Discover carefully curated flight deals from O'Hare Intl to London that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 12, 2025.

This Kiwi.com deal was found by Cheapflights users on 12/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/225:40 amORD - YXU
2 stops23h 54mMultiple Airlines
Thu 1/298:10 pmYXU - ORD
1 stop18h 25mMultiple Airlines
Deal found 12/10$403
This Air Canada deal was found by Cheapflights users on 12/9. 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 1/223:55 pmORD - YXU
1 stop4h 26mAir Canada
Mon 1/265:10 amYXU - ORD
1 stop5h 03mAir Canada
Deal found 12/9$622
This Air Canada deal was found by Cheapflights users on 12/10. 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 1/243:55 pmORD - YXU
1 stop4h 25mAir Canada
Sat 1/319:50 amYXU - ORD
1 stop6h 20mAir Canada
Deal found 12/10$622
This Air Canada deal was found by Cheapflights users on 12/10. 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 1/222:00 pmORD - YXU
1 stop6h 21mAir Canada
Thu 1/299:50 amYXU - ORD
1 stop4h 11mAir Canada
Deal found 12/10$622
This Air Canada deal was found by Cheapflights users on 12/10. 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 1/710:00 amORD - YXU
1 stop6h 05mAir Canada
Wed 1/149:50 amYXU - ORD
1 stop4h 11mAir Canada
Deal found 12/10$651

Find flight deals from O'Hare Intl to London

Discover tips and strategies to find the most affordable flight options for your journey from O'Hare Intl (ORD) 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 December 12, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$403
(Kiwi.com)

One-way from

$273
(Flightnetwork)
Provider with most accurate pricing for Chicago O'Hare Intl-London flight deals.
Search Deals
Provider most trusted by Cheapflights users for Chicago O'Hare Intl-London flights.
Search Deals
From Chicago O'Hare Intl to London
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One-way flight from Chicago O'Hare Intl to London
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Cheapflights Fare Finder

 
Customize your flight search to find flights from O'Hare Intl 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 December 12, 2025.
Use the filters below to find and compare flights from Chicago O'Hare Intl Airport to London that are best for you.

Fly from

O'Hare Intl

Fly to

London

Route

Depart

Return

Price

ChicagoLondon

ORD - YXU

ORDYXU

Chicago O'Hare Intl

Thu 1/22

5:40 am-6:34 am

2 stops23h 54m

London

Thu 1/29

8:10 pm-1:35 pm

1 stop18h 25m

$403

ChicagoLondon

ORD - YXU

ORDYXU

Chicago O'Hare Intl

Thu 1/22

3:55 pm-9:21 pm

1 stop4h 26m

London

Mon 1/26

5:10 am-9:13 am

1 stop5h 03m

$622

ChicagoLondon

ORD - YXU

ORDYXU

Chicago O'Hare Intl

Sat 1/24

3:55 pm-9:20 pm

1 stop4h 25m

London

Sat 1/31

9:50 am-3:10 pm

1 stop6h 20m

$622

ChicagoLondon

ORD - YXU

ORDYXU

Chicago O'Hare Intl

Thu 1/22

2:00 pm-9:21 pm

1 stop6h 21m

London

Thu 1/29

9:50 am-1:01 pm

1 stop4h 11m

$622

ChicagoLondon

ORD - YXU

ORDYXU

Chicago O'Hare Intl

Wed 1/7

10:00 am-5:05 pm

1 stop6h 05m

London

Wed 1/14

9:50 am-1:01 pm

1 stop4h 11m

$651

ChicagoLondon

ORD - YXU

ORDYXU

Chicago O'Hare Intl

Sun 1/25

7:15 am-5:05 pm

2 stops8h 50m

$273

ChicagoLondon

ORD - YXU

ORDYXU

Chicago O'Hare Intl

Thu 12/25

10:00 am-5:05 pm

1 stop6h 05m

$396

ChicagoLondon

ORD - YXU

ORDYXU

Chicago O'Hare Intl

Thu 12/25

8:50 am-5:05 pm

2 stops7h 15m

$444

ChicagoLondon

ORD - YXU

ORDYXU

Chicago O'Hare Intl

Thu 12/25

8:21 pm-3:35 pm

3 stops42h 14m

$651

ChicagoLondon

ORD - YXU

ORDYXU

Chicago O'Hare Intl

Sun 1/25

8:52 am-9:20 pm

3 stops11h 28m

$736

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/11

Compare providers for flights from O'Hare Intl to London

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 O'Hare Intl to London in December.
ProviderPrice AccuracyTrust Score*
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star

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

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

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

Currently, October is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to London, Ontario (average of $85). Flying from Chicago O'Hare Intl Airport to London, Ontario in December is currently the most expensive (average of $210). 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 O'Hare Intl 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 Chicago O'Hare Intl?

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

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

    There are many flights that can get you from Chicago O'Hare Intl Airport to London, Ontario in 4h 26m. Fly via Air Canada to get the fastest option. Airlines will cover a distance of 351 mi.

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

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

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

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

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

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

    Currently, October is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to London, Ontario (average of $85). Flying from Chicago O'Hare Intl Airport to London, Ontario in December is currently the most expensive (average of $210). 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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