NZ$321 Cheap Flights Ontario Intl. Airport to Chicago (ONT-ORD)

If you're planning on travelling from Los Angeles - Ontario Intl. Airport (ONT) to O'Hare Intl. Airport (ORD), round-trip flights start from . This price is based on fares available within the last 7 days on Expedia for flights departing within the next year, so don't hang about. Book now and save yourself both money and time. Prices and availability are subject to change. Additional terms apply.

This can differ between air carriers, as each one has its own terms and conditions. Visit the Customer Service Portal, where you'll find easy instructions on how to cancel your flight online.

Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for ONT to O'Hare Airport flights, you'll see a "no change fees" filter for you to select.

Expect to be cruising at altitude for a while, as the flight distance from Ontario Airport to ORD is 2 700 kilometres. Create a playlist of your favourite songs before you leave home to keep yourself entertained during your trip.

If you want to travel straight from ONT to O'Hare Airport, you'll have to book a flight with one or more stops. Unfortunately, there are no airlines that fly directly between these airports.

Late planners can occasionally nab a bargain, with some super cheap fares from Ontario Airport to ORD showing up a few weeks before the date of departure. If you'd rather plan ahead of time, Expedia compares and updates all the best flight deals continuously — as early as a year in advance in some cases. It depends on the carrier though, as not all airlines release prices so far in advance.