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Cheap flights from London, ON to Chicago O'Hare Intl Airport from C$ 364

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 4/9. Fares are subject to change and may not be available on all flights or dates of travel.
YXU — ORD
26 Aug — 2 Sep1
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 27 July 2026.

Fri 28/83:30 p.m.
YXU
-
ORD
1 stop5h 22m
Air Canada
Sun 30/89:50 a.m.
ORD
-
YXU
1 stop4h 00m
Air Canada
Deal found 25/7C$ 776
Fri 4/92:40 p.m.
YXU
-
ORD
2 stops27h 00m
WestJet
Mon 7/95:30 p.m.
ORD
-
YXU
1 stop10h 50m
WestJet
Deal found 22/7C$ 820
Thu 1/106:10 a.m.
YXU
-
ORD
1 stop11h 30m
WestJet
Mon 5/105:30 p.m.
ORD
-
YXU
1 stop10h 50m
WestJet
Deal found 26/7C$ 829
Wed 9/910:05 a.m.
YXU
-
ORD
1 stop4h 18m
Air Canada
Wed 16/93:45 p.m.
ORD
-
YXU
1 stop4h 55m
Air Canada
Deal found 26/7C$ 850
Fri 28/82:40 p.m.
YXU
-
ORD
2 stops27h 00m
WestJet
Sun 30/85:30 p.m.
ORD
-
YXU
1 stop10h 50m
WestJet
Deal found 25/7C$ 860
Wed 9/910:05 a.m.
YXU
-
ORD
1 stop4h 18m
Multiple Airlines
Wed 16/93:40 p.m.
ORD
-
YXU
3 stops24h 05m
Multiple Airlines
Deal found 26/7C$ 868
Thu 1/105:40 a.m.
YXU
-
ORD
2 stops10h 12m
Air Canada
Mon 5/109:50 a.m.
ORD
-
YXU
1 stop4h 05m
Air Canada
Deal found 26/7C$ 886
Thu 19/119:15 a.m.
YXU
-
ORD
1 stop4h 58m
Air Canada
Sun 22/114:30 p.m.
ORD
-
YXU
1 stop4h 22m
Air Canada
Deal found 25/7C$ 896
Wed 12/810:05 a.m.
YXU
-
ORD
1 stop4h 17m
Air Canada
Thu 13/83:45 p.m.
ORD
-
YXU
1 stop4h 55m
Air Canada
Deal found 24/7C$ 900

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 27 July 2026.

Round-trip from

C$ 776

One-way from

C$ 364
Air Canada
  • Air Canada
  • 28/8-30/8
  • 2 total stops
  • 9h 22m total
  • London to Chicago
Search Deals
WestJet
  • WestJet
  • 4/9
  • 2 total stops
  • 27h 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 27 July 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

Thu 1/10

6:10 a.m.-4:40 p.m.

1 stop11h 30m

Chicago O'Hare Intl

Mon 5/10

5:30 p.m.-5:20 a.m.

1 stop10h 50m

C$ 829

LondonChicago

YXU - ORD

YXUORD

London

Wed 9/9

10:05 a.m.-1:23 p.m.

1 stop4h 18m

Chicago O'Hare Intl

Wed 16/9

3:45 p.m.-9:40 p.m.

1 stop4h 55m

C$ 850

LondonChicago

YXU - ORD

YXUORD

London

Sat 9/1

5:30 a.m.-2:52 p.m.

2 stops10h 22m

Chicago O'Hare Intl

Wed 13/1

8:45 a.m.-2:42 p.m.

1 stop4h 57m

C$ 885

LondonChicago

YXU - ORD

YXUORD

London

Thu 1/10

5:40 a.m.-2:52 p.m.

2 stops10h 12m

Chicago O'Hare Intl

Mon 5/10

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

1 stop4h 05m

C$ 886
Quickest round-trip

LondonChicago

YXU - ORD

YXUORD

London

Wed 12/8

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

1 stop4h 17m

Chicago O'Hare Intl

Thu 13/8

3:45 p.m.-9:40 p.m.

1 stop4h 55m

C$ 900

LondonChicago

YXU - ORD

YXUORD

London

Wed 9/9

6:10 a.m.-9:00 a.m.

2 stops27h 50m

Chicago O'Hare Intl

Wed 16/9

3:40 p.m.-4:45 p.m.

3 stops24h 05m

C$ 924

LondonChicago

YXU - ORD

YXUORD

London

Sat 9/1

3:20 p.m.-11:15 p.m.

2 stops8h 55m

Chicago O'Hare Intl

Wed 13/1

1:10 p.m.-9:47 p.m.

2 stops7h 37m

C$ 985
Cheapest one-way

LondonChicago

YXU - ORD

YXUORD

London

Fri 4/9

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

2 stops27h 00m

C$ 364

LondonChicago

YXU - ORD

YXUORD

London

Mon 14/9

5:55 p.m.-4:40 p.m.

1 stop23h 45m

C$ 397
Quickest one-way

LondonChicago

YXU - ORD

YXUORD

London

Fri 4/9

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

1 stop4h 20m

C$ 418

Flights are sorted by cheapest round-trip flights first.

Deals found on 24/7

Showing 1-10 of 12 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.

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$ 850, WestJet can have you in Chicago O'Hare Intl Airport from London, Ontario in 4h 18m. 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
Downers Grove
Elk Grove Village
Racine
Bolingbrook
Naperville
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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