Cheap flights from Chicago to Canada from C$ 172

In general, May is the cheapest month to fly from Chicago to Canada. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around C$ 489. If you’re not able to fly to Canada in May, then April is your next best option. Flight prices from Chicago to Canada during April average around C$ 491.

Our data shows that Tuesday is the least expensive day to fly to Canada. Tickets to fly out on this day can be as low as C$ 370. If your travel schedule is flexible, try to avoid departing on a Monday because tickets tend to average around C$ 460. These prices are subject to change though, so be sure to set up a Price Alert for flights to Canada.

According to our data, the cheapest time of day to fly to Canada is in the evening. momondo users have found flights departing from Chicago to Canada in the evening for as low as C$ 365. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. At noon is when there is more demand to fly to Canada, so prices are often more expensive at around C$ 473 per ticket.

Fly from Chicago O'Hare Intl to Montreal Pierre Elliott Trudeau Intl for the best Chicago - Canada flight prices

You are more likely to see cheaper flights to Canada from Chicago when booking weeks ahead of your departure date. In general, you can expect to find flights to Canada for around C$ 474 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Canada from Chicago for as low as C$ 380 on momondo.

There are 4 cabin classes available to choose from on Chicago to Canada flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Porter Airlines, Delta, and American Airlines are the most popular carriers operating from Chicago to Canada

Air Canada, United Airlines and WestJet are the top three most popular airlines that fly to Canada from Chicago according to our data. Air Canada is the first choice among our users, with 48% of people opting to fly with this airline when travelling to Canada. Keep in mind that there are 4 different airlines that fly to Canada on a routine basis, so you have a few additional options to choose from.

Historically, on average around 22% of flights between Chicago and Canada have experienced a delay on any given week. The average delay length over the past 12 months has been 138 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 18% of their flights experiencing any sort of delay.

99 flights are operational daily from Chicago to Canada as of November 2026. The most popular departure time for this route is 1:00p.m., with 44% of flights per day taking off at noon.

As of November 2026, 699 flights take off from Chicago and land in Canada each week. The most common flight departure day for this route is Mon, with 16% of weekly flights taking off on this day.