Direct flights from Ontario to Chicago
All flights from ONT to MDW non-stop. There are direct flights from Ontario International Airport (ONT), California, USA to Chicago Midway International (MDW), Illinois, USA with Southwest Airlines. 7 weekly departures are currently scheduled on this route. Departure times range from 05:20 to 23:55 depending on the schedule period. The flight distance is 1712 miles (2755 km). Flight time ranges from 3 hours and 45 minutes to 3 hours and 50 minutes.
Ontario
, USA
Flight schedule from Ontario to Chicago with Southwest Airlines
This is a weekly direct flight schedule for Southwest 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 2026-08-11
Ontario to Chicago scheduled departures
Select a date to see every published non-stop departure between ONT and MDW.
ONT - MDW route facts
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Distance1712 miles (2755 km)
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Flight time3 hours and 45 minutes to 3 hours and 50 minutes
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Airline Southwest
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Airline alliancesLow-cost carrier
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CabinsEconomy
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Departure terminalsTerminal 4
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AircraftBoeing 737MAX 8 Passenger, Boeing 737-800 (winglets) Passenger/BBJ2 and Boeing 737-700 Passenger (Scimitar Winglets)
Route FAQ
Nearby airports that offer flights to Chicago (MDW)
From (AUS)
24 flights per week
From (IND)
14 flights per week
From (MYR)
7 flights per week
Direct flights from Ontario to IL, USA
From Ontario to Chicago
ORD Chicago O Hare International
