
Popular airlines from Chicago O'Hare Intl. Airport (ORD) to Los Angeles - Ontario Intl. Airport (ONT)
- American Airlines
American Airlines
- Southwest Airlines
Southwest Airlines
- United
United
- Alaska Airlines
Alaska Airlines
- Delta
Delta
- Frontier Airlines
Frontier Airlines
- JetBlue Airways
JetBlue Airways
- Plan, book, fly with confidence
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Cheap Flights from Chicago to Ontario (ORD-ONT)
Prices were available within the past 7 days and start at ¥27,790 for one-way flights and ¥61,500 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.










Find the cheapest month to fly from Chicago (ORD) to Ontario (ONT)
October is typically the cheapest month to fly
Frequently asked questions
Travel information
Travel information
Origin airport | O'Hare Intl. |
Destination airport | Los Angeles - Ontario Intl. |
Airlines serving | American Airlines, Delta, Hawaiian Airlines, United |
Roundtrip price | ¥61,500 |
Distance | 2713 km |
Average flight time | 3 hours 22 mins |
Book with confidence
Book with confidence
Chicago to Ontario 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 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 Ontario.
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.
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Explore a world of travel with Expedia
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Top Routes from Chicago
- Chicago to Newark Liberty Intl. Airport (ORD - EWR)
- Chicago to Osaka (ORD - ITM)
- Chicago to Honolulu (ORD - HNL)
- Chicago to Boston (ORD - BOS)
- Chicago to New York (ORD - LGA)
- Chicago to Kobe (ORD - UKB)
- Chicago to New York (ORD - JFK)
- Chicago to Tokyo (ORD - NRT)
- Chicago to Buffalo (ORD - BUF)
- Chicago to Vancouver (ORD - YVR)
- Chicago to Baltimore (ORD - BWI)
- Chicago to Orlando (ORD - MCO)
Top Routes to Ontario
- Sapporo to Ontario (CTS - ONT)
- Naha to Ontario (OKA - ONT)
- Honolulu to Ontario (HNL - ONT)
- Taipei to Ontario (TPE - ONT)
- Seattle to Ontario (SEA - ONT)
- Tokyo to Ontario (NRT - ONT)
- Dallas to Ontario (DFW - ONT)
- Nagoya to Ontario (NGO - ONT)
- Osaka to Ontario (KIX - ONT)
- Fukuoka to Ontario (FUK - ONT)
- San Francisco to Ontario (SFO - ONT)
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