Cheap flights from Quebec to Chicago from $114

The month of March is, on average, the cheapest month to fly to Chicago from Quebec, with most prices found around $273. If you’re not able to fly to Chicago in March, then September is your next best option. Flight prices from Quebec to Chicago during September average around $282.

The cheapest day to depart on your flight to Chicago is on a Friday when prices can be found for as low as $433. This is often the case because there is less demand to fly during this day of the week. When flying out on a Monday, the most expensive travel day of the week, you can expect to see flight prices from Quebec to Chicago for around $679.

Our most recent data shows that the best time of day to fly to Chicago is in the afternoon. Flights from Quebec to Chicago during this time can be as low as $522. In contrast, the most expensive time of day to depart to Chicago is at noon when prices are around $569.

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

You are more likely to see cheaper flights to Chicago from Quebec when booking weeks ahead of your departure date. In general, you can expect to find flights to Chicago for around $346 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Chicago from Quebec for as low as $225 on momondo.

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

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

Air Canada, American Airlines and United Airlines are the top three most popular airlines that fly to Chicago from Quebec according to our data. Air Canada is the first choice among our users, with 71% of people opting to fly with this airline when traveling to Chicago. Keep in mind that there are 4 different airlines that fly to Chicago on a routine basis, so you have a few additional options to choose from.

The number of flights available between Quebec and Chicago is 39 per day as of April 2026. The most frequent departure time is 9:00AM, with 52% of daily flights leaving in the afternoon.

276 flights are operational weekly from Quebec to Chicago as of April 2026. The most popular departure day for this route is Mon, with 15% of flights per week taking off on this day.