S$173 Cheap Flights from Chicago to Ontario

View S$173 flight on Sat, 12 Apr,2025Opens in a new window

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Cheap Flights from Chicago to Ontario (ORD-ONT)

Prices were available within the past 7 days and start at S$173 for one-way flights and S$344 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Sat, 12 Apr - Sat, 19 Apr
ORD
Chicago
ONT
Ontario
S$344 Return, found 4 days ago
S$344
Return
found 4 days ago
Select Delta flight, departing Sat, 12 Apr from Chicago to Ontario, returning Sat, 19 Apr, priced at S$344 found 4 days ago
Delta
Sat, 12 Apr - Sat, 19 Apr
ORD
Chicago
ONT
Ontario
S$357 Return, found 4 days ago
S$357
Return
found 4 days ago
Select Delta flight, departing Sat, 12 Apr from Chicago to Ontario, returning Sat, 19 Apr, priced at S$357 found 4 days ago
American Airlines
Sat, 12 Apr - Sat, 19 Apr
ORD
Chicago
ONT
Ontario
S$365 Return, found 4 days ago
S$365
Return
found 4 days ago
Select American Airlines flight, departing Sat, 12 Apr from Chicago to Ontario, returning Sat, 19 Apr, priced at S$365 found 4 days ago
Delta
Sat, 12 Apr - Sat, 19 Apr
ORD
Chicago
ONT
Ontario
S$371 Return, found 4 days ago
S$371
Return
found 4 days ago
Select Delta flight, departing Sat, 12 Apr from Chicago to Ontario, returning Sat, 19 Apr, priced at S$371 found 4 days ago
American Airlines
Sat, 12 Apr - Sat, 19 Apr
ORD
Chicago
ONT
Ontario
S$378 Return, found 4 days ago
S$378
Return
found 4 days ago
Select American Airlines flight, departing Sat, 12 Apr from Chicago to Ontario, returning Sat, 19 Apr, priced at S$378 found 4 days ago
American Airlines
Sat, 12 Apr - Sat, 19 Apr
ORD
Chicago
ONT
Ontario
S$384 Return, found 4 days ago
S$384
Return
found 4 days ago
Select American Airlines flight, departing Sat, 12 Apr from Chicago to Ontario, returning Sat, 19 Apr, priced at S$384 found 4 days ago
United
Sat, 12 Apr - Sat, 19 Apr
ORD
Chicago
ONT
Ontario
S$398 Return, found 4 days ago
S$398
Return
found 4 days ago
Select United flight, departing Sat, 12 Apr from Chicago to Ontario, returning Sat, 19 Apr, priced at S$398 found 4 days ago
Delta
Thu, 10 Apr - Thu, 17 Apr
ORD
Chicago
ONT
Ontario
S$399 Return, found 5 days ago
S$399
Return
found 5 days ago
Select Delta flight, departing Thu, 10 Apr from Chicago to Ontario, returning Thu, 17 Apr, priced at S$399 found 5 days ago
Delta
Sat, 12 Apr - Sat, 19 Apr
ORD
Chicago
ONT
Ontario
S$411 Return, found 4 days ago
S$411
Return
found 4 days ago
Select Delta flight, departing Sat, 12 Apr from Chicago to Ontario, returning Sat, 19 Apr, priced at S$411 found 4 days ago
Hawaiian Airlines
Wed, 19 Mar - Tue, 1 Apr
ORD
Chicago
ONT
Ontario
S$824 Return, found 13 hours ago
S$824
Return
found 13 hours ago
Select Hawaiian Airlines flight, departing Wed, 19 Mar from Chicago to Ontario, returning Tue, 1 Apr, priced at S$824 found 13 hours ago
Chicago to Ontario route information
Origin airport
O'Hare Intl.
Destination airport
Los Angeles - Ontario Intl.
Return price
S$344
Distance
2713 km

Flights from Chicago to Los Angeles

When looking for plane tickets from Chicago to Los Angeles, 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 Los Angeles. 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 Los Angeles 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 Los Angeles 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 Los Angeles trip. There’s simply no substitute for great prices suited to your travel needs and backed by excellent customer support.

Combine your Los Angeles 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 Los Angeles 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$344. 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.
Ontario Airports

Los Angeles

Chicago to Los Angeles Intl.
S$336.20

Orange County

Chicago to John Wayne
S$343.70

Long Beach

Chicago to Long Beach Municipal
S$585.60
Chicago Airports

Chicago

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