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Cheap flights from London, ON to Chicago O'Hare Intl Airport from C$ 342

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 20/4. Fares are subject to change and may not be available on all flights or dates of travel.
YXU — ORD
10 Apr — 17 Apr1
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 11 March 2026.

Fri 1/59:30 a.m.
YXU
-
ORD
1 stop4h 55m
Air Canada
Tue 5/53:50 p.m.
ORD
-
YXU
1 stop4h 48m
Air Canada
Deal found 5/3C$ 608
Fri 24/45:10 a.m.
YXU
-
ORD
1 stop5h 00m
Air Canada
Fri 1/53:50 p.m.
ORD
-
YXU
1 stop4h 48m
Air Canada
Deal found 9/3C$ 635
Fri 3/49:25 a.m.
YXU
-
ORD
1 stop4h 40m
Air Canada
Fri 10/49:50 a.m.
ORD
-
YXU
1 stop6h 14m
Air Canada
Deal found 6/3C$ 652
Thu 20/86:00 a.m.
YXU
-
ORD
1 stop4h 00m
Air Canada
Fri 25/99:50 a.m.
ORD
-
YXU
1 stop4h 05m
Air Canada
Deal found 6/3C$ 653

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 11 March 2026.

Round-trip from

C$ 635

One-way from

C$ 342
Air Canada
  • Air Canada
  • 24/4-1/5
  • 2 total stops
  • 9h 48m total
  • London to Chicago
Search Deals
20/4
  • 20/4
  • 2 total stops
  • 34h 00m 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 11 March 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
Quickest round-trip

LondonChicago

YXU - ORD

YXUORD

London

Fri 24/4

5:10 a.m.-9:10 a.m.

1 stop5h 00m

Chicago O'Hare Intl

Fri 1/5

3:50 p.m.-9:38 p.m.

1 stop4h 48m

C$ 635

LondonChicago

YXU - ORD

YXUORD

London

Fri 3/4

9:25 a.m.-1:05 p.m.

1 stop4h 40m

Chicago O'Hare Intl

Fri 10/4

9:50 a.m.-5:04 p.m.

1 stop6h 14m

C$ 652

LondonChicago

YXU - ORD

YXUORD

London

Fri 1/5

12:20 p.m.-4:59 p.m.

1 stop5h 39m

Chicago O'Hare Intl

Tue 5/5

3:50 p.m.-9:38 p.m.

1 stop4h 48m

C$ 654
Cheapest one-way
Quickest one-way

LondonChicago

YXU - ORD

YXUORD

London

Tue 1/9

9:30 a.m.-1:22 p.m.

1 stop4h 52m

C$ 357

LondonChicago

YXU - ORD

YXUORD

London

Mon 20/4

5:10 a.m.-9:10 a.m.

1 stop5h 00m

C$ 357

LondonChicago

YXU - ORD

YXUORD

London

Fri 5/6

2:40 p.m.-4:40 p.m.

2 stops27h 00m

C$ 364

LondonChicago

YXU - ORD

YXUORD

London

Fri 5/6

9:30 a.m.-2:55 p.m.

1 stop6h 25m

C$ 364

LondonChicago

YXU - ORD

YXUORD

London

Mon 20/4

8:00 a.m.-2:07 p.m.

3 stops31h 07m

C$ 386

LondonChicago

YXU - ORD

YXUORD

London

Tue 21/4

5:10 a.m.-9:50 a.m.

1 stop5h 40m

C$ 394

LondonChicago

YXU - ORD

YXUORD

London

Thu 23/4

5:10 a.m.-9:50 a.m.

1 stop5h 40m

C$ 396

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/3

Showing 1-10 of 11 resultsSorted by cheapest first
1
2

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.

Cheapflights Insights

Everything you need to know about your flight from London to Chicago O'Hare Intl Airport

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

Currently, January is the cheapest month in which you can book a flight from London, Ontario to Chicago O'Hare Intl Airport (average of C$ 174). Flying from London, Ontario to Chicago O'Hare Intl Airport in April is currently the most expensive (average of C$ 284). 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 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$ 635, Air Canada can have you in Chicago O'Hare Intl Airport from London, Ontario in 5h. There are 565 km between London, Ontario and Chicago O'Hare Intl Airport.

  • 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.

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

    Currently, January is the cheapest month in which you can book a flight from London, Ontario to Chicago O'Hare Intl Airport (average of C$ 174). Flying from London, Ontario to Chicago O'Hare Intl Airport in April is currently the most expensive (average of C$ 284). 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.

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
Evanston
Des Plaines
Skokie
Downers Grove
Elk Grove Village
Racine
Naperville
Bolingbrook
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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