$279+ Cheap flights from O'Hare Intl (ORD) to London, ON (YXU)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/19. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — YXU
Oct 15 — Oct 221
Round-trip
1 adult, Economy
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Find cheap flights from O'Hare Intl 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 O'Hare Intl to London
Cheapest
Best
Last-minute
One-way
Cheapest flights from O'Hare Intl to LondonExplore the most affordable flight options available from O'Hare Intl to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 15, 2026.
Explore the most affordable flight options available from O'Hare Intl to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 15, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/12. 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.
Tue 11/107:28 pm -
2 stops33h 07m
Wed 11/1810:15 am -
1 stop30h 22m
Deal found 9/12![Multiple Airlines logo]()
$542
This Kiwi.com deal was found by Cheapflights users on 9/12. 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.
Mon 10/1211:41 am -
2 stops16h 39m
Mon 10/196:10 am -
1 stop11h 30m
Deal found 9/12![Multiple Airlines logo]()
$585
This Air Canada deal was found by Cheapflights users on 9/14. 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.
Tue 10/208:50 am -
1 stop5h 00m
Sat 10/249:05 am -
1 stop6h 00m
Deal found 9/14![Air Canada logo]()
$637
This Air Canada deal was found by Cheapflights users on 9/12. 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 10/1010:50 am -
2 stops7h 50m
Sun 10/116:20 pm -
1 stop4h 46m
Deal found 9/12![Air Canada logo]()
$642
Best flights from O'Hare Intl to LondonDiscover 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 September 15, 2026.
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 September 15, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/12. 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.
Tue 11/107:28 pm -
2 stops33h 07m
Wed 11/1810:15 am -
1 stop30h 22m
Deal found 9/12![Multiple Airlines logo]()
$542
This Air Canada deal was found by Cheapflights users on 9/14. 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.
Tue 10/208:50 am -
1 stop5h 00m
Sat 10/249:05 am -
1 stop6h 00m
Deal found 9/14![Air Canada logo]()
$637
This Kiwi.com deal was found by Cheapflights users on 9/12. 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.
Mon 10/1211:41 am -
2 stops16h 39m
Mon 10/196:10 am -
1 stop11h 30m
Deal found 9/12![Multiple Airlines logo]()
$585
This Air Canada deal was found by Cheapflights users on 9/12. 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 10/129:55 am -
1 stop3h 55m
Mon 10/199:05 am -
1 stop3h 55m
Deal found 9/12![Air Canada logo]()
$637
This Air Canada deal was found by Cheapflights users on 9/12. 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 10/102:15 pm -
1 stop4h 25m
Sun 10/113:30 pm -
1 stop5h 18m
Deal found 9/12![Air Canada logo]()
$637
This Air Canada deal was found by Cheapflights users on 9/10. 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.
Fri 10/3012:50 pm -
1 stop6h 02m
Sun 11/19:15 am -
1 stop4h 58m
Deal found 9/10![Air Canada logo]()
$798
Last-minute flights from O'Hare Intl to LondonDiscover last-minute flight deals from O'Hare Intl to London. Data last updated September 15, 2026 and is based on user searches.
Discover last-minute flight deals from O'Hare Intl to London. Data last updated September 15, 2026 and is based on user searches.
This Air Canada deal was found by Cheapflights users on 9/12. 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 10/1010:50 am -
2 stops7h 50m
Sun 10/116:20 pm -
1 stop4h 46m
Deal found 9/12![Air Canada logo]()
$642
This Kiwi.com deal was found by Cheapflights users on 9/12. 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.
Mon 10/1211:41 am -
2 stops16h 39m
Mon 10/196:10 am -
1 stop11h 30m
Deal found 9/12![Multiple Airlines logo]()
$585
This Air Canada deal was found by Cheapflights users on 9/14. 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.
Tue 10/208:50 am -
1 stop5h 00m
Sat 10/249:05 am -
1 stop6h 00m
Deal found 9/14![Air Canada logo]()
$637
This Air Canada deal was found by Cheapflights users on 9/11. 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.
Mon 10/268:45 am -
1 stop5h 02m
Mon 11/23:25 pm -
1 stop5h 33m
Deal found 9/11![Air Canada logo]()
$798
One-way flights from O'Hare Intl to LondonSearch for one-way flight options from O'Hare Intl to London. Find affordable one-way fares based on user searches. Data last updated September 15, 2026.
Search for one-way flight options from O'Hare Intl to London. Find affordable one-way fares based on user searches. Data last updated September 15, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/12. 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 11/197:32 pm -
3 stops33h 03m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/12![Multiple Airlines logo]()
$279
This Air Canada deal was found by Cheapflights users on 9/12. 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 11/198:45 am -
1 stop5h 02m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/12![Air Canada logo]()
$378
This United Airlines deal was found by Cheapflights users on 9/11. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/2612:50 pm -
1 stop6h 02m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/11![United Airlines logo]()
$437
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 September 15, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $542 (Kiwi.com) |
One-way from | $279 (Kiwi.com) |
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 7,457,451 searches. Data last updated September 15, 2026.
Use the filters below to find and compare flights from Chicago O'Hare Intl Airport to London that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
ChicagoLondon
ORD Chicago O'Hare Intl - YXU London
ORDYXU
Chicago O'Hare Intl
Thu 11/19
7:32 pm-5:35 am
3 stops33h 03m
London
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$279
ChicagoLondon
ORD Chicago O'Hare Intl - YXU London
ORDYXU
Chicago O'Hare Intl
Mon 10/26
12:50 pm-7:52 pm
1 stop6h 02m
London
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$437
Quickest round-trip
ChicagoLondon
ORD Chicago O'Hare Intl - YXU London
ORDYXU
Chicago O'Hare Intl
Thu 11/19
4:30 pm-9:52 pm
1 stop4h 22m
London
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$437
ChicagoLondon
ORD Chicago O'Hare Intl - YXU London
ORDYXU
Chicago O'Hare Intl
Tue 11/10
7:28 pm-5:35 am
2 stops33h 07m
London
Wed 11/18
10:15 am-3:37 pm
1 stop30h 22m
$542
ChicagoLondon
ORD Chicago O'Hare Intl - YXU London
ORDYXU
Chicago O'Hare Intl
Mon 10/12
11:41 am-5:20 am
2 stops16h 39m
London
Mon 10/19
6:10 am-4:40 pm
1 stop11h 30m
$585
ChicagoLondon
ORD Chicago O'Hare Intl - YXU London
ORDYXU
Chicago O'Hare Intl
Tue 10/20
8:50 am-2:50 pm
1 stop5h 00m
London
Sat 10/24
9:05 am-2:05 pm
1 stop6h 00m
$637
ChicagoLondon
ORD Chicago O'Hare Intl - YXU London
ORDYXU
Chicago O'Hare Intl
Mon 10/12
9:55 am-2:50 pm
1 stop3h 55m
London
Mon 10/19
9:05 am-12:00 pm
1 stop3h 55m
$637
ChicagoLondon
ORD Chicago O'Hare Intl - YXU London
ORDYXU
Chicago O'Hare Intl
Sat 10/10
2:15 pm-7:40 pm
1 stop4h 25m
London
Sun 10/11
3:30 pm-7:48 pm
1 stop5h 18m
$637
ChicagoLondon
ORD Chicago O'Hare Intl - YXU London
ORDYXU
Chicago O'Hare Intl
Fri 10/30
12:50 pm-7:52 pm
1 stop6h 02m
London
Sun 11/1
9:15 am-1:13 pm
1 stop4h 58m
$798
Sorted by cheapest first
- Most accurate provider: When it comes to deals on Chicago O'Hare Intl 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 Chicago O'Hare Intl Airport-London, Ontario flight deals on Cheapflights vs. FlightHub >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 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 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.
ORD-YXU
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.
Related info for your journey
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