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$307+ 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 9/2. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — YXU
Aug 22 — Aug 291
Sat 8/22
Sat 8/29
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 July 23, 2026.

This oojo deal was found by Cheapflights users on 7/22. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/205:30 pm
ORD
-
YXU
1 stop10h 50m
WestJet
Thu 8/276:10 am
YXU
-
ORD
1 stop11h 30m
WestJet
Deal found 7/22$526
This Kiwi.com deal was found by Cheapflights users on 7/18. 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 9/15:30 pm
ORD
-
YXU
1 stop10h 50m
Multiple Airlines
Tue 9/810:05 am
YXU
-
ORD
1 stop4h 18m
Multiple Airlines
Deal found 7/18$545
This Kiwi.com deal was found by Cheapflights users on 7/19. 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 8/315:30 pm
ORD
-
YXU
1 stop22h 15m
Multiple Airlines
Sun 9/66:10 am
YXU
-
ORD
2 stops24h 49m
Multiple Airlines
Deal found 7/19$570
This Kiwi.com deal was found by Cheapflights users on 7/19. 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 9/32:41 pm
ORD
-
YXU
2 stops37h 39m
Multiple Airlines
Thu 9/105:55 pm
YXU
-
ORD
1 stop23h 45m
Multiple Airlines
Deal found 7/19$584
This Kiwi.com deal was found by Cheapflights users on 7/22. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/2410:40 pm
ORD
-
YXU
2 stops29h 40m
Multiple Airlines
Thu 10/16:10 am
YXU
-
ORD
1 stop11h 30m
Multiple Airlines
Deal found 7/22$603
This Mytrip deal was found by Cheapflights users on 7/19. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/315:30 pm
ORD
-
YXU
3 stops19h 20m
WestJet
Sun 9/66:10 am
YXU
-
ORD
1 stop11h 30m
WestJet
Deal found 7/19$637

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 July 23, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$526
(oojo)

One-way from

$307
(Air Canada)
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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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 July 23, 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

Thu 8/20

5:30 pm-5:20 am

1 stop10h 50m

London

Thu 8/27

6:10 am-4:40 pm

1 stop11h 30m

$526

ChicagoLondon

ORD - YXU

ORDYXU

Chicago O'Hare Intl

Tue 9/1

5:30 pm-5:20 am

1 stop10h 50m

London

Tue 9/8

10:05 am-1:23 pm

1 stop4h 18m

$545

ChicagoLondon

ORD - YXU

ORDYXU

Chicago O'Hare Intl

Mon 8/31

5:30 pm-4:45 pm

1 stop22h 15m

London

Sun 9/6

6:10 am-5:59 am

2 stops24h 49m

$570

ChicagoLondon

ORD - YXU

ORDYXU

Chicago O'Hare Intl

Thu 9/3

2:15 pm-9:40 pm

1 stop6h 25m

London

Thu 9/10

5:40 am-9:00 am

1 stop4h 20m

$656

ChicagoLondon

ORD - YXU

ORDYXU

Chicago O'Hare Intl

Mon 8/31

5:30 pm-5:20 am

1 stop10h 50m

London

Sun 9/6

6:10 am-4:40 pm

1 stop11h 30m

$662

ChicagoLondon

ORD - YXU

ORDYXU

Chicago O'Hare Intl

Thu 9/3

5:30 pm-1:50 pm

3 stops19h 20m

London

Thu 9/10

6:10 am-4:40 pm

1 stop11h 30m

$779
Quickest round-trip

ChicagoLondon

ORD - YXU

ORDYXU

Chicago O'Hare Intl

Tue 9/29

9:50 am-2:50 pm

1 stop4h 00m

London

Sat 10/3

3:30 pm-7:48 pm

1 stop5h 18m

$810
Cheapest one-way

ChicagoLondon

ORD - YXU

ORDYXU

Chicago O'Hare Intl

Wed 9/2

2:41 pm-5:20 am

3 stops37h 39m

$316

ChicagoLondon

ORD - YXU

ORDYXU

Chicago O'Hare Intl

Wed 9/2

5:30 pm-1:50 pm

2 stops43h 20m

$322
Quickest one-way

ChicagoLondon

ORD - YXU

ORDYXU

Chicago O'Hare Intl

Fri 10/16

9:00 am-5:20 am

2 stops19h 20m

$419

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/19

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 10h 50m. Fly via WestJet 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.

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