Direct flights from Ontario to Chicago
All flights from ONT to ORD non-stop. There are direct flights from Ontario International Airport (ONT), California, USA to Chicago O Hare International (ORD), Illinois, USA with United Airlines and American Airlines. 7 weekly departures are currently scheduled on this route. Departure times range from 06:00 to 23:52 depending on the schedule period. The flight distance is 1706 miles (2745 km). Flight time ranges from 3 hours and 54 minutes to 4 hours and 15 minutes.
Ontario
, USA
Airlines with non-stop routes:
United Airlines
American Airlines
Frontier Airlines
Flight schedule from Ontario to Chicago 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 2026-08-17
Flight schedule from Ontario to Chicago 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
Ontario to Chicago scheduled departures
Select a date to see every published non-stop departure between ONT and ORD.
ONT - ORD route facts
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Distance1706 miles (2745 km)
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Flight time3 hours and 54 minutes to 4 hours and 15 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 2American Airlines: Terminal 4
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Arrival terminalsUnited Airlines: Terminal 1American Airlines: Terminal 3
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AircraftUnited Airlines: Airbus A319, Airbus A320, Boeing 737-800 Passenger, Boeing 737-900 Passenger and Boeing 737-700 PassengerAmerican Airlines: Boeing 737-800 Passenger
Route FAQ
Nearby airports that offer flights to Chicago (ORD)
From (IND)
98 flights per week
From (AUS)
63 flights per week
From (MEX)
49 flights per week
From (MYR)
15 flights per week
Direct flights from Ontario to IL, USA
From Ontario to Chicago
MDW Chicago Midway International
