Direct flights from Chicago to Ontario
All flights from ORD to ONT non-stop. There are direct flights from Chicago O Hare International (ORD), Illinois, USA to Ontario International Airport (ONT), California, USA with United Airlines and American Airlines. 7 weekly departures are currently scheduled on this route. Departure times range from 13:00 to 20:33 depending on the schedule period. The flight distance is 1706 miles (2745 km). Flight time ranges from 4 hours and 26 minutes to 4 hours and 44 minutes.
Chicago
, USA
Airlines with non-stop routes:
United Airlines
American Airlines
Frontier Airlines
Flight schedule from Chicago to Ontario with United Airlines
This is a weekly direct flight schedule for United Airlines. Use the arrows or click on the date to change week. Click on any flight departure time to show more information and check availability.
Flight
The timetable & schedule information was updated at 2026-07-27
Flight schedule from Chicago to Ontario with American Airlines
This is a weekly direct flight schedule for American Airlines. Use the arrows or click on the date to change week. Click on any flight departure time to show more information and check availability.
Flight
The timetable & schedule information was updated at
Chicago to Ontario scheduled departures
Select a date to see every published non-stop departure between ORD and ONT.
ORD - ONT route facts
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Distance1706 miles (2745 km)
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Flight time4 hours and 26 minutes to 4 hours and 44 minutes
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Airlines United American Airlines
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Airline alliancesStar Alliance oneworld
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CabinsEconomy Business First
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Hub airportsUnited Airlines: ORD (Largest hub.)American Airlines: ORD
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Departure terminalsUnited Airlines: Terminal 1American Airlines: Terminal 3
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Arrival terminalsUnited Airlines: Terminal 2American Airlines: Terminal 4
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AircraftUnited Airlines: Airbus A320, Boeing 737-800 Passenger, Boeing 737-900 Passenger and Boeing 737-700 PassengerAmerican Airlines: Boeing 737-800 Passenger
Route FAQ
Direct flights from Chicago to CA, USA
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SFO San Francisco International
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MRY Monterey Peninsula
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SJC Norman Y Mineta San Jose International
From Chicago to Santa Barbara
SBA Santa Barbara Muni
From Chicago to Sacramento
SMF Sacramento International
From Chicago to Los Angeles
LAX Los Angeles International
From Chicago to Palm Springs
PSP Palm Springs International
From Chicago to Santa Ana
SNA John Wayne Arpt Orange Co
From Chicago to San Diego
SAN San Diego International Airport
From Chicago to Fresno
FAT Fresno Yosemite International
