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Cheap Flights from Chicago to Ontario $205.6

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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

$196.60

Long Beach

$274.36

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

Question : In the next four weeks, what day should you book your trip?
Answer : February 11th offers bookings (as of January 16th) that are 17% below the average price for this route. Saving on booking fees means you'll have more money in hand for the trip.

Question : How many days should you spend in Ontario if you're flying in from Chicago?
Answer : The average time spent in Ontario by travelers flying from ORD is six days.

Question : Would you be willing to change your travel days if it saved you money?
Answer : The best day to fly on a budget this month is Wednesday. Being flexible with your travel days garners you even more savings during your booking.

Question : Which airline is offering the cheapest round-trip flight from ORD to ONT?
Answer : United Airlines is offering its passengers the cheapest flights over the next three months.

Question : Which airline can you expect delays with on this route?
Answer : If you decide to book your flight with UPS, keep an eye on your departure time. Over the past month, UPS flights from O'Hare International Airport (ORD) to LA/Ontario International Airport (ONT) are delayed 100% of the time.

Question : What is the likelihood your flight will be on time for this route?
Answer : Flights from ORD to ONT are on time 50% of the time, ranking in the bottom half of all routes worldwide. If your flight is delayed, expect an average of 20-30 minutes added to your travel time.