Photo by Ontario Convention & Visitors Bureau / Jon Edwards.

Popular airlines from Chicago O'Hare International Airport (ORD) to Los Angeles - Ontario Intl. Airport (ONT)
- American Airlines
American Airlines
- United
United
- Southwest Airlines
Southwest Airlines
- Delta
Delta
- Alaska Airlines
Alaska Airlines
- Frontier Airlines
Frontier Airlines
- Hawaiian Airlines
Hawaiian Airlines
- Be in the knowGet alerts if flight prices drop or rise*
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Cheap Flights from Chicago (ORD) to Ontario (ONT)
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.

Wed, 14 Jan - Sat, 24 Jan
ORD
Chicago
ONT
Ontario
NZ$490 Return, found 2 days ago
NZ$490
Return
found 2 days ago

Sat, 24 Jan - Thu, 12 Feb
ORD
Chicago
ONT
Ontario
NZ$525 Return, found 2 days ago
NZ$525
Return
found 2 days ago

Thu, 8 Jan - Sat, 24 Jan
ORD
Chicago
ONT
Ontario
NZ$556 Return, found 2 days ago
NZ$556
Return
found 2 days ago

Wed, 7 Jan - Sat, 24 Jan
ORD
Chicago
ONT
Ontario
NZ$575 Return, found 2 days ago
NZ$575
Return
found 2 days ago

Sat, 10 Jan - Tue, 27 Jan
ORD
Chicago
ONT
Ontario
NZ$587 Return, found 2 days ago
NZ$587
Return
found 2 days ago

Sun, 25 Jan - Thu, 12 Feb
ORD
Chicago
ONT
Ontario
NZ$590 Return, found 2 days ago
NZ$590
Return
found 2 days ago

Sun, 11 Jan - Tue, 27 Jan
ORD
Chicago
ONT
Ontario
NZ$604 Return, found 2 days ago
NZ$604
Return
found 2 days ago

Sat, 7 Feb - Sat, 21 Feb
ORD
Chicago
ONT
Ontario
NZ$618 Return, found 2 days ago
NZ$618
Return
found 2 days ago

Sun, 11 Jan - Thu, 29 Jan
ORD
Chicago
ONT
Ontario
NZ$621 Return, found 2 days ago
NZ$621
Return
found 2 days ago

Tue, 23 June - Wed, 24 June
ORD
Chicago
ONT
Ontario
NZ$1,036 Return, found 2 days ago
NZ$1,036
Return
found 2 days ago
Origin airport | O'Hare Intl. |
|---|---|
Destination airport | Los Angeles - Ontario Intl. |
Return price | NZ$490 |
Distance | 2713 km |
Average flight time | 4 hours 1 min |
Perfect flights from Chicago to Ontario
Embark on an unforgettable journey without breaking the bank with Expedia's incredible deals on cheap flights from Chicago to Ontario. 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 O'Hare Intl. to Los Angeles - Ontario Intl. ticket options cater to your travel preferences, with incredible one-way fares from NZ$280 and roundtrip prices from NZ$490. 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 Los Angeles - Ontario 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 Ontario.
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Top Routes from Chicago
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Ontario Flight Deals
Alternative Routes
- Chicago Executive Airport (PWK)
- Midway Intl. Airport (MDW)
- Dupage Airport (DPA)
- Kenosha Regional Airport (ENW)
- Greater Rockford Airport (RFD)
- Waukesha County Airport (UES)
- South Bend Intl. Airport (SBN)
- Dane County Regional Airport (MSN)
- Goshen Municipal Airport (GSH)
- Central Illinois Regional Airport (BMI)
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- Wellington to Los Angeles (WLG - LAX)
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- Los Angeles to Phoenix (LAX - PHX)
- Los Angeles to Vancouver (LAX - YVR)
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