Skip to main content
Beginning of main content

Cheap Flights from Ontario to Chicago $248.81

Search over 321,000 hotels worldwide and 400 airlines worldwide.
Secure incredible value with Expedia's Price Guarantee.
No Expedia cancellation fee to change or cancel almost any hotel reservation.

Cheapest Flights from Ontario to Chicago (ONT to ORD)

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

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

Question : Over the coming months, which airline is getting their passengers to O'Hare International Airport (ORD) round-trip the cheapest?
Answer : United Airlines is the leader in keeping prices down for their passengers over the next three months. Bookings are being made at just $206, which is quite a deal when compared to the more expensive bookings of $851.

Question : Can you cut down on flight costs by changing the day of the week you travel to Chicago?
Answer : Saturday is your cheapest day to fly in the month of May. Being flexible with your travel days garners even more savings during booking.

Question : What's the likelihood of you being delayed on this route?
Answer : The best measurement of overall promptness combines both on-time percentage and total delay minutes. ONT to ORD currently has 0 stars out of 5, earning it a far below-average performance compared to the rest of the world.

Question : Is there another local airport that can get you to Chicago?
Answer : LA/Ontario International Airport is a terrific airport, but in getting you to Chicago, there is a cheaper option – John Wayne Airport. It's just 30 miles away and flights are being booked 9% cheaper over the upcoming months.

Question : What is the cheapest day to fly in the next four weeks?
Answer : As of Apr 24th, the best day for booking to Chicago (ORD) is May 13th. It costs $206, which is 41% below this route's average price.

Question : Are you paying the cheapest or highest price for your ticket to Chicago?
Answer : Flight prices fluctuate more than the majority of routes in the United States for ONT to ORD. They vary from $206 to $851. Remember, you can save by booking further in advance.

Question : How often is the LA/Ontario International Airport (ONT) to O'Hare International Airport (ORD) route delayed?
Answer : The Ontario to Chicago route has been particularly poor at getting passengers to their destination on time and currently ranks among the worst in the world. When a flight is delayed, it's a 122-minute delay on average.