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Cheap flights from London, ON to Chicago O'Hare Intl Airport from C$ 394

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 1/7. Fares are subject to change and may not be available on all flights or dates of travel.
YXU — ORD
12 Jul — 19 Jul1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from London to O'Hare Intl

Enter your travel dates to find the best prices.

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 12 June 2026.

Sat 31/103:25 p.m.
YXU
-
ORD
1 stop5h 10m
Air Canada
Wed 4/119:50 a.m.
ORD
-
YXU
1 stop4h 16m
Air Canada
Deal found 11/6C$ 747
Sat 31/105:45 a.m.
YXU
-
ORD
1 stop6h 13m
United Airlines
Wed 4/111:10 p.m.
ORD
-
YXU
2 stops7h 36m
United Airlines
Deal found 8/6C$ 749
Sun 16/810:05 a.m.
YXU
-
ORD
1 stop4h 17m
Air Canada
Tue 18/89:50 a.m.
ORD
-
YXU
1 stop4h 05m
Air Canada
Deal found 9/6C$ 782
Thu 9/710:05 a.m.
YXU
-
ORD
1 stop4h 17m
Air Canada
Thu 16/79:50 a.m.
ORD
-
YXU
1 stop4h 02m
Air Canada
Deal found 11/6C$ 784
Fri 10/710:05 a.m.
YXU
-
ORD
1 stop5h 50m
Air Canada
Thu 16/72:15 p.m.
ORD
-
YXU
1 stop5h 17m
Air Canada
Deal found 11/6C$ 792

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 12 June 2026.

Round-trip from

C$ 747

One-way from

C$ 394
Air Canada
  • Air Canada
  • 31/10-4/11
  • 2 total stops
  • 9h 26m total
  • London to Chicago
Search Deals
Air Canada
  • Air Canada
  • 1/7
  • 1 total stop
  • 5h 50m total
  • London to Chicago
Search Deals

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 629,999 searches. Data last updated 12 June 2026.
Use the filters below to find and compare flights from London to Chicago O'Hare Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

LondonChicago

YXU - ORD

YXUORD

London

Sat 31/10

5:45 a.m.-10:58 a.m.

1 stop6h 13m

Chicago O'Hare Intl

Wed 4/11

1:10 p.m.-9:46 p.m.

2 stops7h 36m

C$ 749

LondonChicago

YXU - ORD

YXUORD

London

Sat 31/10

3:25 p.m.-7:35 p.m.

1 stop5h 10m

Chicago O'Hare Intl

Wed 4/11

9:50 a.m.-3:06 p.m.

1 stop4h 16m

C$ 749
Quickest round-trip

LondonChicago

YXU - ORD

YXUORD

London

Tue 1/9

5:40 a.m.-9:00 a.m.

1 stop4h 20m

Chicago O'Hare Intl

Thu 3/9

9:50 a.m.-2:55 p.m.

1 stop4h 05m

C$ 782

LondonChicago

YXU - ORD

YXUORD

London

Sun 16/8

5:40 a.m.-9:00 a.m.

1 stop4h 20m

Chicago O'Hare Intl

Tue 18/8

7:00 a.m.-2:55 p.m.

2 stops6h 55m

C$ 877

LondonChicago

YXU - ORD

YXUORD

London

Sat 25/7

10:05 a.m.-1:22 p.m.

1 stop4h 17m

Chicago O'Hare Intl

Sat 1/8

6:29 a.m.-8:32 p.m.

2 stops13h 03m

C$ 877

LondonChicago

YXU - ORD

YXUORD

London

Thu 9/7

10:05 a.m.-11:31 p.m.

2 stops14h 26m

Chicago O'Hare Intl

Thu 16/7

9:50 a.m.-2:52 p.m.

1 stop4h 02m

C$ 886
Cheapest one-way

LondonChicago

YXU - ORD

YXUORD

London

Fri 24/7

6:20 p.m.-10:05 p.m.

1 stop4h 45m

C$ 422
Quickest one-way

LondonChicago

YXU - ORD

YXUORD

London

Mon 27/7

10:05 a.m.-1:22 p.m.

1 stop4h 17m

C$ 422

LondonChicago

YXU - ORD

YXUORD

London

Wed 1/7

10:05 a.m.-2:55 p.m.

1 stop5h 50m

C$ 422

LondonChicago

YXU - ORD

YXUORD

London

Sat 25/7

10:05 a.m.-1:22 p.m.

1 stop4h 17m

C$ 469

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/6

Showing 1-10 of 14 resultsSorted by cheapest first
1
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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.

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 8.6 km journey to London (YXU) from London’s city centre.

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

    For as low as C$ 747, Air Canada can have you in Chicago O'Hare Intl Airport from London, Ontario in 5h 10m. There are 565 km between London, Ontario and Chicago O'Hare Intl Airport. This flight may include one or multiple stops.

  • 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.

See more FAQs

Travelling 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
Northbrook
Evanston
Des Plaines
Skokie
Downers Grove
Elk Grove Village
Racine
Bolingbrook
Naperville
Romeoville
Schaumburg

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Deals for London to O'Hare Intl flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets from London to O'Hare Intl?

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Can Cheapflights find flights from London to O'Hare Intl with no change fees?

Certainly. Search results for flights to O'Hare Intl from London shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from London to O'Hare Intl become cheaper?

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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