Cheap flights from Alberta to Chicago from C$ 245

In general, February is the cheapest month to fly from Alberta to Chicago O'Hare Intl Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around C$ 342. The month of March is another great option to travel to Chicago O'Hare Intl Airport, with average flight prices from Alberta averaging around C$ 371.

The cheapest day to depart on your flight to Chicago O'Hare Intl Airport is on a Friday when prices can be found for as low as C$ 623. This is often the case because there is less demand to fly during this day of the week. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from Alberta to Chicago O'Hare Intl Airport for around C$ 1,123.

In the afternoon is the cheapest time of day to fly from Alberta to Chicago O'Hare Intl Airport when you can find flight prices for as low as C$ 501. Flying to Chicago O'Hare Intl Airport in the afternoon is an ideal time because this is during off-peak travel hours. If you have a flexible travel schedule, then try to avoid flying at noon when prices are C$ 1,048 on average. Flights to Chicago O'Hare Intl Airport from Alberta at noon are generally more expensive because this time of day is more convenient for travellers’ schedules.

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

You are more likely to see cheaper flights to Chicago O'Hare Intl Airport from Alberta when booking weeks ahead of your departure date. In general, you can expect to find flights to Chicago O'Hare Intl Airport for around C$ 464 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Chicago O'Hare Intl Airport from Alberta for as low as C$ 319 on momondo.

There are 4 cabin classes available to choose from on Alberta to Chicago O'Hare Intl Airport 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 Alberta to Chicago O'Hare Intl

WestJet, Air Canada and United Airlines are the top three most popular airlines that fly to Chicago O'Hare Intl Airport from Alberta according to our data. WestJet is the first choice among our users, with 44% of people opting to fly with this airline when travelling to Chicago O'Hare Intl Airport. Keep in mind that there are 6 different airlines that fly to Chicago O'Hare Intl Airport on a routine basis, so you have a few additional options to choose from.

As of October 2026, 8 flights take off from Alberta and land in Chicago O'Hare Intl Airport each day. The most common flight departure time for this route is 12:00p.m., with 100% of daily flights taking off in the afternoon.

The number of flights available between Alberta and Chicago O'Hare Intl Airport is 58 per week as of October 2026. The most frequent departure day is Mon, with 16% of weekly flights leaving on this day.