₩238,100 Cheap Flights from Chicago (ORD) to Ontario (ONT)

View ₩238,100 flight on Wed, Dec 3, 2025Opens in a new window

Popular airlines from Chicago O'Hare Intl. Airport (ORD) to Los Angeles - Ontario Intl. Airport (ONT)

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Cheap Flights from Chicago to Ontario (ORD-ONT)

Prices were available within the past 7 days and start at ₩238,100 for one-way flights and ₩692,400 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Fri, Oct 31 - Sat, Nov 1
ORD
Chicago
ONT
Ontario
₩692,400 Roundtrip, found 3 days ago
₩692,400
Roundtrip
found 3 days ago
Select Delta flight, departing Fri, Oct 31 from Chicago to Ontario, returning Sat, Nov 1, priced at ₩692,400 found 3 days ago
Delta
Fri, Oct 31 - Sat, Nov 1
ORD
Chicago
ONT
Ontario
₩706,200 Roundtrip, found 3 days ago
₩706,200
Roundtrip
found 3 days ago
Select Delta flight, departing Fri, Oct 31 from Chicago to Ontario, returning Sat, Nov 1, priced at ₩706,200 found 3 days ago

Find the cheapest month to fly from Chicago (ORD) to Ontario (ONT)

February is typically the cheapest month to fly

From ₩165,622 - ₩644,754 per traveler.

Alternative airports near Ontario

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to John Wayne SNA. Cheapest option available. Average driving time to city center is 42 minutes. Flights from ₩349,500
SNA
John Wayne
Cheapest
Average driving time to city center42 min
Flights from ₩349,500

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 ₩692,400. 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 kilometers. 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

Travel information

Origin airport
O'Hare Intl.
Destination airport
Los Angeles - Ontario Intl.
Roundtrip price
₩692,400
Distance
2713 km
Average flight time
3 hours 41 mins

Book with confidence

Book with confidence

Chicago to Los Angeles Flights

Sometimes you just need to get out of town or maybe you’re looking for a change of scenery. Regardless of the reason, a flight from Chicago to Los Angeles will do just the trick! Go on, plan to see all the famous landmarks and eat your weight in the local cuisine. Your trip is beckoning, so answer the call by packing your suitcase and filling your travel itinerary with exploring Los Angeles.

Whether you’re flying for business or jet-setting on your personal time, you’ve come to the right place. Here at Expedia.com, we’ll pair you up with ORD to ONT flights that won’t make your bank account wince. Ready to temporarily leave behind Chicago for new horizons? Browse through our cheap airfare, and filter by flight times and dates until you find just what you had in mind. From flights without layovers to ones that arrive early in the morning, you’ll come across plane tickets that suit your travel preferences. You can even bundle your flight to ONT with hotels and car rentals to score even bigger savings.

All set to hit the clouds? Book your travel arrangements with us today and have left-over money to put toward your travel outings and adventures.

Chicago to Los Angeles Flights

Explore a world of travel with Expedia

Explore a world of travel with Expedia

Ontario nearby Airports

Los Angeles

Chicago to Los Angeles Intl.
₩321,200

Orange County

Chicago to John Wayne
₩349,500
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