Direct flights from Chicago to Ontario
All flights from MDW to ONT non-stop. There are direct flights from Chicago Midway International, Illinois, USA to Ontario International Airport (ONT), California, USA every day of the week with Southwest Airlines. The flight distance is 1712 miles and the trip usually takes about 4 hours and 10 minutes.
Airlines with non-stop routes:

Southwest Airlines

Frontier Airlines
No flights anymore
Flight schedule from Chicago to Ontario 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 2025-03-15
Chicago to Ontario flight departures
Select a date to see all scheduled flight departures between MDW to ONT.
MDW - ONT information
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Distance1712 miles (2755 km)
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Flight time4 hours and 10 minutes
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Airlines
Southwest
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AlliancesOne WorldSky TeamStar Alliance
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ClassesEconomyBusinessFirst Class
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Southwest AircraftBoeing 737 Passenger
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Arrival TerminalTerminal 4 (Southwest)
Unpublished Flight Rates From Chicago to Ontario
Direct flights from Chicago to CA, USA

From Chicago to Oakland
OAK Metropolitan Oakland International

From Chicago to San Francisco
SFO San Francisco International

From Chicago to San Jose
SJC Norman Y Mineta San Jose International

From Chicago to Los Angeles
LAX Los Angeles International

From Chicago to Sacramento
SMF Sacramento International

From Chicago to Burbank
BUR Burbank Glendale Pasadena

From Chicago to Long Beach
LGB Long Beach
From Chicago to Palm Springs
PSP Palm Springs International

From Chicago to San Diego
SAN San Diego International Airport