Direct flights from Ontario to Chicago ONT → MDW

Southwest Airlines operates nonstop flights from Ontario (ONT) to Chicago (MDW). The nonstop flight takes around ~3h 26m, covering 1,703 miles (2,740 km). Updated 11 June 2026.

Southwest Airlines WN

Departure Schedule next 7 days

More nonstops from Ontario

ONT → OAK Oakland ONT → DEN Denver 3 airlines ONT → SEA Seattle 3 airlines ONT → DFW Dallas-Fort Worth 2 airlines ONT → HNL Honolulu, Oahu 2 airlines ONT → IAH Houston 2 airlines ONT → LAS Las Vegas 2 airlines ONT → PHX Phoenix 2 airlines

Frequently asked questions

Is there a direct flight from Ontario to Chicago?

Yes, Southwest Airlines operates nonstop flights from Ontario (ONT) to Chicago (MDW).

Which airlines fly direct from Ontario to Chicago?

Southwest Airlines operates nonstop flights from Ontario to Chicago.

How long is the flight from Ontario to Chicago?

The nonstop flight from Ontario to Chicago takes ~3h 26m (approximately 2740 km).

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