Cheap flights from Chicago O'Hare Intl Airport to Toronto from C$ 143

The month of February is, on average, the cheapest month to fly to Toronto from Chicago O'Hare Intl Airport, with most prices found around C$ 376. The month of April is another great option to travel to Toronto, with average flight prices from Chicago O'Hare Intl Airport averaging around C$ 420.

According to our data, Tuesday is the cheapest day to fly to Toronto from Chicago O'Hare Intl Airport. The lowest ticket price found for a Tuesday departure recently was C$ 366. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. Flights from Chicago O'Hare Intl Airport to Toronto on a Sunday will generally be more expensive and average around C$ 496. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

Flying to Toronto from Chicago O'Hare Intl Airport in the evening is the least expensive time of day to depart. momondo users have found prices as low as C$ 355 when looking at flights departing in the evening. Try not to purchase tickets at noon because they tend to be around C$ 487. Of course, these prices can vary depending on the time of year and what airport you fly to.

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

You are more likely to see cheaper flights to Toronto from Chicago O'Hare Intl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Toronto for around C$ 465 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Toronto from Chicago O'Hare Intl Airport for as low as C$ 377 on momondo.

There are 3 cabin classes available to choose from on Chicago O'Hare Intl Airport to Toronto 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.

As of August 2026, prices for Chicago O'Hare Intl Airport to Toronto flights are approximately 7% more expensive when compared to flights at the same time last year.

United Airlines, Delta, and Air Canada are the most popular carriers operating from Chicago O'Hare Intl to Toronto

United Airlines, Air Canada and American Airlines are the top three most popular airlines that fly to Toronto from Chicago O'Hare Intl Airport according to our data. United Airlines is the first choice among our users, with 46% of people opting to fly with this airline when travelling to Toronto. Keep in mind that there are 3 different airlines that fly to Toronto on a routine basis, so you have a few additional options to choose from.

Historically, on average around 22% 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 133 minutes.

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

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

According to our data, American Airlines has had the least delays on this route over the last 12 months, with about 17% of their flights experiencing any sort of delay.

The number of flights available between Chicago O'Hare Intl Airport and Toronto is 60 per day as of August 2026. The most frequent departure time is 8:00p.m., with 41% of daily flights leaving at noon.

425 flights are operational weekly from Chicago O'Hare Intl Airport to Toronto as of August 2026. The most popular departure day for this route is Wed, with 17% of flights per week taking off on this day.