Cheap flights from Chicago O'Hare Intl Airport to Toronto from C$ 121

The cheapest month to fly to Toronto Island Airport from Chicago O'Hare Intl Airport is in May. Flight prices, which tend to average around C$ 0, are often lower during this time because this is during the off-season. If you aren’t able to travel to Toronto Island Airport during the month of May, then flying in January is also cheap. Prices for this month can be found on momondo for an average of C$ 0.

On average, the least expensive day to fly to Toronto Island Airport from Chicago O'Hare Intl Airport is on a Thursday. momondo users have found tickets for Thursday departures for as low as C$ 338. However, this price may fluctuate depending on the airline, the season, and holidays. If your travel schedule is flexible, try to avoid departing on a Monday because tickets tend to average around C$ 734. These prices are subject to change though, so be sure to set up a Price Alert for flights to Toronto Island Airport.

Flying to Toronto Island Airport from Chicago O'Hare Intl Airport at noon is the least expensive time of day to depart. momondo users have found prices as low as C$ 160 when looking at flights departing at noon. In contrast, the most expensive time of day to depart to Toronto Island Airport is in the afternoon when prices are around C$ 448.

Fly from Chicago O'Hare Intl to Toronto Island for the best Chicago O'Hare Intl - Toronto Island flight prices

There is only 1 cabin class available to choose from on Chicago O'Hare Intl Airport to Toronto Island Airport flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

No. A direct flight is the cheapest option for a flight between Chicago O'Hare Intl Airport to Toronto Island Airport.

Historically, on average around 45% of flights between Chicago and Toronto have experienced a delay on any given week. The average delay length over the past 12 months has been 121 minutes.

Generally, flights departing in the morning tend to experience fewer delays. Flights departing in the early afternoon have, in the past, seen delays more frequently in comparison.

Sunday is statistically the day of the week that experiences the fewest delays on this flight route. Saturday has historically seen more delays on average compared to the rest of the week.

According to our data, Air Canada has had the least delays on this route over the last 12 months, with about 45% of their flights experiencing any sort of delay.

The number of flights available between Chicago O'Hare Intl Airport and Toronto Island Airport is 4 per day as of September 2026. The most frequent departure time is 7:00a.m., with 50% of daily flights leaving at noon.

28 flights are operational weekly from Chicago O'Hare Intl Airport to Toronto Island Airport as of September 2026. The most popular departure day for this route is Mon, with 14% of flights per week taking off on this day.