Cheap Flights from Chicago to Ontario
Popular Flights from Chicago to Ontario
- Airfare from Chicago to Ottawa from $279 round trip
- Airfare from Chicago to Toronto from $282 round trip
- Airfare from Chicago to London from $396 round trip
- Airfare from Chicago to Thunder Bay from $379 round trip
Did You Know?
- The most popular destination from Chicago, IL is La Guardia.
- There are 488 direct flights from Chicago to Ontario.
- Toronto, ON is the most popular connecting city from Chicago, IL to Ontario.
- The shortest flight from Chicago, IL to Ontario is 351 miles.
- There are 48 carriers flying into Ontario.
- The longest flight from Chicago, IL to Ontario is 652 miles.
- There are 94 connecting cities from Chicago, IL to Ontario.
- The earliest flight from Chicago, IL leaves at 1:00 am.
