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Cheap Flights from Chicago to Ontario $187.6

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Cheapest Flights from Chicago to Ontario (ORD to ONT)

Prices found within past 7 days. Prices and availability subject to change. Additional terms may apply.
Ontario Airports

Orange County

$156.60

Long Beach

$312.42

Interesting Facts About Flights from Chicago to Ontario (ORD to ONT)

Question : Should you take that vacation to Ontario in the next 30 days?
Answer : As of December 5th, the best day for deals to Ontario (ONT) from Chicago (ORD) is December 17th. Bookings have been made roughly 33% below the average price for this route.

Question : How long do most people stay in Ontario when they fly in from Chicago?
Answer : Of course you're not most people, but if you were, you'd stay roughly 11 days.

Question : Would you be willing to change your travel days if it saved you money?
Answer : For the month of December, the cheapest day to fly is Wednesday. Flexibility is paramount when booking travel plans in order to keep costs down.

Question : How often is the price changing when booking a trip from O'Hare International Airport (ORD) to LA/Ontario International Airport (ONT)?
Answer : Flight prices for ORD to ONT fluctuate much more than most routes. Prices tend to be lower the further out you book.

Question : Which airline is least likely to get you to ONT on time?
Answer : Over the past month, UPS is delayed on 100% of flights from O'Hare International Airport (ORD) to LA/Ontario International Airport (ONT). If you're on UPS, be sure to sign up for the delay notifications to stay up to date with your flight's status.

Question : How often is the O'Hare International Airport (ORD) to LA/Ontario International Airport (ONT) route on schedule?
Answer : The Chicago to Ontario route has a 50% on-time rate, ranking in the bottom half of all routes. If your flight is delayed, expect an average of 20-30 minutes added to your travel time.