Cheap flights from Illinois to Quebec from C$ 209

In general, October is the cheapest month to fly from Illinois to Quebec. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around C$ 79. If you are unable to visit Quebec during the month of October, then departing from Illinois during the month April is also very affordable. Most momondo users find prices during this month for around C$ 91.

The cheapest day to depart from Illinois to Quebec is on a Friday. Travellers who choose to depart for Quebec on a Friday will often find tickets for as low as C$ 263. The most expensive day to fly to Quebec is Sunday, with ticket prices averaging around C$ 615.

Flying to Quebec from Illinois in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as C$ 263 when looking at flights departing in the afternoon. In contrast, the most expensive time of day to depart to Quebec is in the morning when prices are around C$ 506.

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

You are more likely to see cheaper flights to Quebec from Illinois when booking weeks ahead of your departure date. In general, you can expect to find flights to Quebec for around C$ 544 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Quebec from Illinois for as low as C$ 268 on momondo.

There are 2 cabin classes available to choose from on Illinois to Quebec flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

As of June 2026, there are 38 flights per day flying from Illinois to Quebec. The most common time of day flights depart is 6:00p.m., with 45% of flights taking off at noon.

As of June 2026, there are 269 flights per week flying from Illinois to Quebec. The most common day of the week flights depart is Mon, with 18% of flights taking off on this day.