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$454+ 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 5/23. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — YXU
May 26 — Jun 21
Tue 5/26
Tue 6/2
1 adult, Economy
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Cheap flight deals from O'Hare Intl to London

Cheapest flights from O'Hare Intl to London
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 April 26, 2026.

This oojo deal was found by Cheapflights users on 4/24. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/235:30 pm
ORD
-
YXU
1 stop10h 50m
WestJet
Tue 5/265:55 pm
YXU
-
ORD
1 stop23h 45m
WestJet
Deal found 4/24$454
This Air Canada deal was found by Cheapflights users on 4/21. 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 5/253:50 pm
ORD
-
YXU
1 stop4h 48m
Air Canada
Thu 5/289:30 am
YXU
-
ORD
1 stop6h 25m
Air Canada
Deal found 4/21$624
This Air Canada deal was found by Cheapflights users on 4/21. 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 5/232:15 pm
ORD
-
YXU
1 stop6h 23m
Air Canada
Tue 5/2612:20 pm
YXU
-
ORD
2 stops8h 48m
Air Canada
Deal found 4/21$633
This Kiwi.com deal was found by Cheapflights users on 4/24. 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.
Sun 6/75:30 pm
ORD
-
YXU
1 stop10h 50m
Multiple Airlines
Sun 6/146:10 am
YXU
-
ORD
2 stops25h 09m
Multiple Airlines
Deal found 4/24$690
This Air Canada deal was found by Cheapflights users on 4/21. 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 6/59:55 am
ORD
-
YXU
1 stop4h 03m
Air Canada
Mon 6/812:20 pm
YXU
-
ORD
2 stops8h 45m
Air Canada
Deal found 4/21$694
This Air Canada deal was found by Cheapflights users on 4/23. 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 5/189:55 am
ORD
-
YXU
1 stop6h 38m
Air Canada
Sat 5/2312:20 pm
YXU
-
ORD
1 stop5h 39m
Air Canada
Deal found 4/23$711
This United Airlines deal was found by Cheapflights users on 4/25. 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 6/92:56 pm
ORD
-
YXU
1 stop5h 42m
United Airlines
Tue 6/165:10 am
YXU
-
ORD
1 stop5h 40m
United Airlines
Deal found 4/25$721
This United Airlines deal was found by Cheapflights users on 4/22. 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 5/2510:43 am
ORD
-
YXU
1 stop5h 50m
United Airlines
Thu 5/285:10 am
YXU
-
ORD
2 stops6h 40m
United Airlines
Deal found 4/22$726

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 April 26, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$454
(oojo)
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.
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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 April 26, 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

Price

Cheapest round-trip

ChicagoLondon

ORD - YXU

ORDYXU

Chicago O'Hare Intl

Sat 5/23

5:30 pm-5:20 am

1 stop10h 50m

London

Tue 5/26

5:55 pm-4:40 pm

1 stop23h 45m

$454

ChicagoLondon

ORD - YXU

ORDYXU

Chicago O'Hare Intl

Fri 6/5

9:55 am-2:58 pm

1 stop4h 03m

London

Mon 6/8

9:30 am-2:55 pm

1 stop6h 25m

$624
Quickest round-trip

ChicagoLondon

ORD - YXU

ORDYXU

Chicago O'Hare Intl

Mon 5/25

3:50 pm-9:38 pm

1 stop4h 48m

London

Thu 5/28

9:30 am-1:25 pm

1 stop4h 55m

$624

ChicagoLondon

ORD - YXU

ORDYXU

Chicago O'Hare Intl

Sat 5/23

3:50 pm-9:38 pm

1 stop4h 48m

London

Tue 5/26

12:20 pm-8:08 pm

2 stops8h 48m

$633

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/25

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.
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

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 48m. Fly via WestJet or Air Canada to get the fastest option. Airlines will cover a distance of 351 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • 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.

See more FAQs

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