Direct flights from Chicago to Ontario

  • Southwest Airlines
  • 4h 1m nonstop

🔔 Track this route

We check MDW → ONT every day and email you the cheapest nonstop fares we find.

Free · one-click unsubscribe

More nonstops from Chicago

MDW → AUS Austin MDW → BNA Nashville MDW → BWI Baltimore MDW → CLE Cleveland MDW → LGA New York MDW → MCI Kansas City MDW → MEM Memphis MDW → OMA Omaha ONT → MDW The return trip MDW All nonstops from Chicago ONT All nonstops from Ontario

Frequently asked questions

Is there a direct flight from Chicago to Ontario?

Yes. Southwest Airlines flies nonstop from Chicago (MDW) to Ontario (ONT). The flight takes about 4h 1m and covers 1,703 miles (2,740 km).

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 ~4h 1m (approximately 2740 km).