Direct flights from Chicago to Ontario MDW → ONT
Southwest Airlines operates nonstop flights from Chicago (MDW) to Ontario (ONT). The nonstop flight takes around ~3h 26m, covering 1,703 miles (2,740 km). Updated 11 June 2026.
MDW
→
ONT
Round trip
1 adult
Economy
Pick dates
Southwest Airlines
WN
Departure Schedule next 7 days
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Frequently asked questions
Is there a direct flight from Chicago to Ontario?
Yes, Southwest Airlines operates nonstop flights from Chicago (MDW) to Ontario (ONT).
Which airlines fly direct from Chicago to Ontario?
Southwest Airlines operates nonstop flights from Chicago to Ontario.
How long is the flight from Chicago to Ontario?
The nonstop flight from Chicago to Ontario takes ~3h 26m (approximately 2740 km).