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Cheap flights from Chicago (ORD) to Ontario (ONT)
Prices were available within the past 7 days and start at CA $155 for one-way flights and CA $320 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.
Travel information
Travel information
Origin airport | O'Hare Intl. |
Destination airport | Los Angeles - Ontario Intl. |
Airlines serving | Delta |
Roundtrip price | CA $319 |
Distance | 2713 km |
Book with confidence
Book with confidence
Chicago to Los Angeles Flights
The easy way to book your flights from Chicago to Ontario
With Expedia, it’s simple to find and book flights to Ontario from Chicago whether you’re traveling for business or pleasure. Enter your travel dates, hit search, and choose your flight from 20 airlines that cover this route. There are nonstop flights to Los Angeles - Ontario Intl., too.
Choose your preferred carrier and cabin class with the advanced search tool and select your ideal departure time. Then, if you want, you can see just nonstop or refundable flights. And if you’re traveling last minute, just enter the date to check out flights from Chicago to Ontario today, tomorrow, or this week.
Save dollars with cheap flights from O'Hare Intl., ORD to Los Angeles - Ontario Intl., ONT
Sort your search results by price to find great deals on your flight from Chicago to Ontario—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to Ontario from Chicago currently is just CA $320 rising to CA $369.
Here are more money-saving tips:
- Fly in October when flight prices are normally at their lowest
- Book about a month to 6 weeks before you travel for the best prices to Ontario
- Avoid peak season and weekends when flights can cost more
- Early morning and late-night flights are sometimes cheaper, so try varying your travel times
- One surefire way to save money on your flight is to book your flight and hotel together with Expedia. Sometimes, the savings are so large that the flight is basically free!
Reasons to choose Expedia for your flight to Ontario from Chicago
Whatever your destination, budget, or reason to travel, in just one quick search, you can choose from loads of flights, airlines, and cabin classes. The filters make it quick and easy to find your ideal flights, and if you choose one of the flexible options, you won’t be charged to change your flight. So book your flight to Ontario with Expedia today.
Frequently asked questions
Frequently asked questions
Frequently asked questions
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Top Routes from Chicago
- Chicago to Mumbai (ORD - BOM)
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Top Routes to Ontario
- Calgary to Ontario (YYC - ONT)
- Kelowna to Ontario (YLW - ONT)
- Hong Kong to Ontario (HKG - ONT)
- Detroit to Ontario (DTW - ONT)
- Winnipeg to Ontario (YWG - ONT)
- Spokane to Ontario (GEG - ONT)
- Taipei to Ontario (TPE - ONT)
- Manila to Ontario (MNL - ONT)
- Victoria to Ontario (YYJ - ONT)
- Seattle to Ontario (SEA - ONT)
- Montreal to Ontario (YUL - ONT)
- Lima to Ontario (LIM - ONT)
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Top Routes to Ontario
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