Cheap Flights from Ontario, CA to Chicago, IL - ONT to CHI Tickets & Airfare Deals at Cheapflights.com

Prices from $226 to $305

We'll show you the best deals by comparing tons of flights from Ontario to Chicago across a wide range of airlines and travel agents. Compare the cheap flights along this route.

Jul 08 2017 Aug 12 2017

35 nights

Ontario (ONT) to Chicago (ORD)

Flying with: American Airlines

Sep 14 2017 Sep 16 2017

2 nights

Ontario (ONT) to Chicago (CHI)

Flying with: American Airlines

Jul 15 2017 Jul 22 2017

7 nights

Ontario (ONT) to Chicago (CHI)

Travel information for Ontario to Chicago

Partners with flight deals forOntario to Chicago3

Number of flight deals forOntario to Chicago16

Cheapest ticket price forOntario to Chicago$225

Average flight price forOntario to Chicago$337

Flight duration forOntario to Chicago5 hrs 20 mins

Distance from Ontario to Chicago1709 miles

Facts and figures about flying from Ontario to Chicago

Flights from Ontario to Chicago most frequently use McCarran International as a connection
The most popular aircraft flying between Ontario and Chicago is a Boeing 737-700
Ontario to Chicago flights are not usually subject to diversions
Flights from Ontario to Chicago are cancelled 3.6 percent of the time
Every week Southwest Airlines Co. has 27 flights from Ontario to Chicago
Between Ontario and Chicago, flights are unlikely to be delayed
There are on average 120 seats available each day on flights from Ontario to Chicago

Flights from Ontario (ONT) to Chicago (CHI)

Travel information for Ontario to Chicago

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Facts and figures about flying from Ontario to Chicago

Popular routes to Chicago

Popular routes from Ontario