S$166 Cheap Flights from Chicago to Ontario Intl. Airport
Popular airlines from Chicago O'Hare Intl. Airport (ORD) to Ontario Intl. Airport (ONT)
Frontier AirlinesFrontier Airlines
Alaska AirlinesAlaska Airlines
American AirlinesAmerican Airlines
UnitedUnited
DeltaDelta
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Cheap Flights from Chicago to Ontario (ORD-ONT)
Alternative airports near Ontario
Prices were available within the past 7 days. Prices and availability are subject to change.
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Flights from Chicago to Ontario
When looking for plane tickets from Chicago to Ontario, the ease and convenience of using Expedia simply can’t be beat. With tons of departure points and flights options from the top airline carriers, Expedia gives you the widest array of cheap flights to Ontario. Look for ORD to ONT airfare with the assurance that you have the largest online travel agency working for you.
Expedia lets you search across the largest number of airlines and Ontario flights, which means that you’ll be able to find a great flight deal at the perfect travel date and time. Our simple-to-use booking engine makes looking for terrific bargains easy and hassle-free; just enter your travel dates and departure city, and let Expedia do the rest! Adjust your travel dates and explore connecting flights to find an even better deal on your Chicago Ontario flight!
Browse through dozens of options and rest assured that you’re seeing the best price guaranteed! Our friendly customer service representatives are here to serve you 24 hours day to provide assistance and answer any questions that you may have about booking your Chicago to Ontario trip. There’s simply no substitute for great prices suited to your travel needs and backed by excellent customer support.
Combine your Ontario flight with a hotel and/or car rental for a package deal designed to save you even more money! Discover additional savings by booking in advance or find a last minute deal. There are tons of ways to save on your flights from Chicago to Ontario with Expedia. Use us as your stop travel destination and have the confidence that you’re getting a bargain!
Frequently Asked Questions
How much is a flight from ORD to ONT?
Within the past 7 days on Expedia, for flights departing within the next year, the lowest price advertised for a round-trip flight from O'Hare Intl. Airport (ORD) to ONT was S$473. Fares this cheap don't hang around, so make sure you book yours today. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from O'Hare Intl. Airport (ORD) to Los Angeles - Ontario Intl. Airport (ONT)?
Each air carrier has its own terms and conditions. If you do decide to cancel, follow the simple instructions on our Customer Service Portal.
How do I find cheap flights from O'Hare Airport to ONT that have flexible change policies?
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 ORD to ONT flights, you'll see a "no change fees" filter for you to select.
How far is the flight from O'Hare Intl. Airport (ORD) to ONT?
The flight distance from O'Hare Intl. Airport (ORD) to Los Angeles - Ontario Intl. Airport (ONT) is 2,700 kilometres. Listen to some music or bury your nose in a book and the journey will zip on by.
Which airlines fly direct from ORD to Ontario Airport?
Direct flights aren't available, so you'll have to make at least one stop between ORD and ONT. Use the layover time to stretch your legs and take a break.
Are O'Hare Airport to Los Angeles - Ontario Intl. Airport (ONT) flight tickets cheaper when they're purchased at the last minute?
Last-minute planners can sometimes pick up a bargain, with some of the cheapest fares from O'Hare Intl. Airport (ORD) to Los Angeles - Ontario Intl. Airport (ONT) emerging a few weeks prior to the departure date. If you'd rather plan ahead, Expedia compares and updates the best flight deals continuously — as early as 12 months in advance in some cases. It depends on the carrier though, as not all airlines quote prices so far in advance.
Travel information
Origin airport | Chicago O'Hare Intl. Airport |
|---|---|
Destination airport | Ontario Intl. Airport |
Distance | 2,729 km away |
Airlines serving | Frontier Airlines, Alaska Airlines, American Airlines, United, Delta |
Popular airline | Frontier Airlines |
Return price | S$473 |
Average flight time | 8 hours 59 mins |