NZ$235 Cheap Flights Ontario to Chicago (ONT-ORD)

View NZ$235 flight on Wed, 29 Oct. 2025Opens in a new window

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

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Cheap Flights from Ontario (ONT) to Chicago (ORD)

Prices were available within the past 7 days for one-way flights and round trip tickets for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Wed, 29 Oct. - Wed, 5 Nov.
ONT
Ontario
ORD
Chicago
NZ$469 Return, found 6 days ago
NZ$469
Return
found 6 days ago
Select Delta flight, departing Wed, 29 Oct. from Ontario to Chicago, returning Wed, 5 Nov., priced at NZ$469 found 6 days ago
Delta
Wed, 29 Oct. - Wed, 5 Nov.
ONT
Ontario
ORD
Chicago
NZ$586 Return, found 6 days ago
NZ$586
Return
found 6 days ago
Select Delta flight, departing Wed, 29 Oct. from Ontario to Chicago, returning Wed, 5 Nov., priced at NZ$586 found 6 days ago
American Airlines
Wed, 29 Oct. - Wed, 5 Nov.
ONT
Ontario
ORD
Chicago
NZ$599 Return, found 6 days ago
NZ$599
Return
found 6 days ago
Select American Airlines flight, departing Wed, 29 Oct. from Ontario to Chicago, returning Wed, 5 Nov., priced at NZ$599 found 6 days ago
Delta
Wed, 29 Oct. - Wed, 5 Nov.
ONT
Ontario
ORD
Chicago
NZ$619 Return, found 6 days ago
NZ$619
Return
found 6 days ago
Select Delta flight, departing Wed, 29 Oct. from Ontario to Chicago, returning Wed, 5 Nov., priced at NZ$619 found 6 days ago
United
Wed, 29 Oct. - Wed, 5 Nov.
ONT
Ontario
ORD
Chicago
NZ$718 Return, found 6 days ago
NZ$718
Return
found 6 days ago
Select United flight, departing Wed, 29 Oct. from Ontario to Chicago, returning Wed, 5 Nov., priced at NZ$718 found 6 days ago
United
Wed, 29 Oct. - Wed, 5 Nov.
ONT
Ontario
ORD
Chicago
NZ$726 Return, found 6 days ago
NZ$726
Return
found 6 days ago
Select United flight, departing Wed, 29 Oct. from Ontario to Chicago, returning Wed, 5 Nov., priced at NZ$726 found 6 days ago
United
Wed, 29 Oct. - Wed, 5 Nov.
ONT
Ontario
ORD
Chicago
NZ$734 Return, found 6 days ago
NZ$734
Return
found 6 days ago
Select United flight, departing Wed, 29 Oct. from Ontario to Chicago, returning Wed, 5 Nov., priced at NZ$734 found 6 days ago
Delta
Wed, 29 Oct. - Wed, 5 Nov.
ONT
Ontario
ORD
Chicago
NZ$736 Return, found 6 days ago
NZ$736
Return
found 6 days ago
Select Delta flight, departing Wed, 29 Oct. from Ontario to Chicago, returning Wed, 5 Nov., priced at NZ$736 found 6 days ago
United
Wed, 29 Oct. - Wed, 5 Nov.
ONT
Ontario
ORD
Chicago
NZ$743 Return, found 6 days ago
NZ$743
Return
found 6 days ago
Select United flight, departing Wed, 29 Oct. from Ontario to Chicago, returning Wed, 5 Nov., priced at NZ$743 found 6 days ago
American Airlines
Wed, 29 Oct. - Wed, 5 Nov.
ONT
Ontario
ORD
Chicago
NZ$750 Return, found 6 days ago
NZ$750
Return
found 6 days ago
Select American Airlines flight, departing Wed, 29 Oct. from Ontario to Chicago, returning Wed, 5 Nov., priced at NZ$750 found 6 days ago
Flight from Ontario to Chicago route information
Origin airport
Los Angeles - Ontario Intl.
Destination airport
O'Hare Intl.
Return price
NZ$468
Distance
2713 km
Average flight time
10 hours 36 mins

Perfect flights from Ontario to Chicago

Embark on an unforgettable journey without breaking the bank with Expedia's incredible deals on cheap flights from Ontario to Chicago. Whether you're aching for a romantic escape with your partner, craving an adventurous solo expedition, or yearning to immerse yourself in the local history and culture, we've got you covered.
 
Picture yourself strolling through the streets of , surrounded by breathtaking architecture and absorbing the vibrant atmosphere of this captivating city. Indulge in the mouth-watering local specialties, from tantalizing street food to exquisite fine dining. With Expedia, you can experience all of this and more, without sacrificing your budget.
 
Our flexible Los Angeles - Ontario Intl. to O'Hare Intl. ticket options cater to your travel preferences, with incredible one-way fares from NZ$235 and roundtrip prices from NZ$469. Whether you're planning a short city break or a longer adventure, our dynamic pricing ensures that you find the best deals for your journey.
 
But the magic doesn't stop there. Expedia offers a range of partner services to enhance your trip. Rent a car at O'Hare Intl. and explore and its surrounding areas at your own pace. Discover hidden gems off the beaten path, and create unforgettable memories. We also provide a handpicked selection of accommodations, from charming bed and breakfasts to luxury hotels, ensuring that you have a comfortable and memorable stay.
 
Planning your next great adventure is a breeze with Expedia. Our user-friendly platform, unbeatable prices, and round-the-clock customer support are designed to make your travel experience seamless and stress-free. So, why wait? Book your to travel arrangements today and embark on the journey of a lifetime in Chicago.

Frequently asked questions

How much is a flight from ONT to O'Hare Airport?
If you're planning on travelling from Los Angeles - Ontario Intl. Airport (ONT) to O'Hare Intl. Airport (ORD), round-trip flights start from NZ$469. 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.
Do I need to pay a cancellation fee if I cancel my flight from Los Angeles - Ontario Intl. Airport (ONT) to O'Hare Airport?
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.
How do I find cheap flights from ONT to O'Hare Airport 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 ONT to O'Hare Airport flights, you'll see a "no change fees" filter for you to select.
How far is the flight from Los Angeles - Ontario Intl. Airport (ONT) to O'Hare Intl. Airport (ORD)?
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.
Which airlines fly direct from Ontario Airport to ORD?
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.
Are ONT to ORD flight tickets cheaper when they're purchased at the last minute?
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.

Explore a world of travel with Expedia

Ontario Airports

Los Angeles

Los Angeles Intl. to Chicago
NZ$326.00

Orange County

John Wayne to Chicago
NZ$451.00

Burbank

Long Beach

*Available to Expedia members.