Flights from Chicago to Ontario

Flight deals from Chicago to Ontario

Looking for cheap flights from Chicago to Ontario, or a last-minute trip? Find the lowest prices on one-way and round-trip flights right here.

Flying from Chicago to Ontario

Arm yourself with these facts on the fly.
Cheapest flight foundC$106, Toronto
Cheapest month to flySeptember
Average flight time1 hr, 51 mins
Cheapest airport to fly fromChicago O'Hare International
Most popular airlineUnited

Frequently asked questions

We looked at all of the upcoming round-trip flights from Chicago to Ontario we could find over the next 12 months. It looks like C$323 is the best price. This is good, compared to the average Ontario ticket price of C$652.
The cheapest month to fly from Chicago to Windsor Airport is usually June. The cheapest month to fly from Chicago to London Airport is usually July. The cheapest month to fly from Chicago to Toronto Island Airport is usually September. And the cheapest month to fly from Chicago to Thunder Bay Airport is usually June.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Chicago to Ontario on Monday, September 16, 2024.
Chicago Midway Airport and Chicago O'Hare International Airport both offer direct flights to Ontario.
If you're flying from Chicago, the cheapest city in Ontario to fly into is Toronto. The cheapest airport serving Toronto at the moment is Toronto Island.
The average flight time between Chicago and Ontario is 1 hour and 50 minutes.
Most popular flights