Cheap flights from Illinois to Alberta from $150

The month of January is, on average, the cheapest month to fly to Alberta from Illinois, with most prices found around $263. If you don’t want to visit Alberta in January, then you should wait until May to fly from Illinois, when ticket prices are also cheap, with an average price of $311.

According to our data, Friday is the cheapest day to fly to Alberta from Illinois. The lowest ticket price found for a Friday departure recently was $373. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. If your travel schedule is flexible, try to avoid departing on a Thursday because tickets tend to average around $423. These prices are subject to change though, so be sure to set up a Price Alert for flights to Alberta.

According to our data, the cheapest time of day to fly to Alberta is at noon. momondo users have found flights departing from Illinois to Alberta at noon for as low as $286. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. In the morning is when there is more demand to fly to Alberta, so prices are often more expensive at around $513 per ticket.

Fly from Chicago O'Hare Intl to Calgary for the best Illinois - Alberta flight prices

You are more likely to see cheaper flights to Alberta from Illinois when booking weeks ahead of your departure date. In general, you can expect to find flights to Alberta for around $368 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Alberta from Illinois for as low as $317 on momondo.

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

Alaska Airlines, United Airlines, and Air Canada are the most popular carriers operating from Illinois to Alberta

WestJet, United Airlines and American Airlines are the top three most popular airlines that fly to Alberta from Illinois according to our data. WestJet is the first choice among our users, with 41% of people opting to fly with this airline when traveling to Alberta. Keep in mind that there are 6 different airlines that fly to Alberta on a routine basis, so you have a few additional options to choose from.

As of November 2026, there are 1 flights per day flying from Illinois to Alberta. The most common time of day flights depart is 8:00AM, with 100% of flights taking off at noon.

As of November 2026, there are 12 flights per week flying from Illinois to Alberta. The most common day of the week flights depart is Mon, with 17% of flights taking off on this day.