$79 Cheap Air Canada flights Chicago (ORD) to Calgary (YYC)

You can discover cheap return Air Canada flights from $169 from ORD to YYC by organizing your results from “Price (lowest to highest)” on Expedia. Or search for options from $79 for a one-way trip.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.

Browse for one-way or return flights to Calgary in January or November. You could find an affordable fare with Air Canada during these quieter months.

Look for Air Canada flights from ORD to YYC about one month before you want to leave. The most affordable time to book an international flight is generally 18 to 29 days ahead of your travel date when you can save 17% versus booking four to five months in advance. Regardless of itinerary and fare class, the best day of the week to book international airfare is usually Sunday. Friday is often the most expensive. Passengers who book on a Sunday can save 17% on average compared to those who book on a Friday.**Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC’s global airline sales database.

Enter your dates, hit search and check the “Nonstop” filter on Expedia to browse any direct flights from ORD to YYC with Air Canada or another carrier.

To find the earliest departures from ORD to YYC with Air Canada, filter your results by “Early Morning” and “Morning.” Choosing an early flight generally means you’re less likely to experience cancellations.**Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG’s global flight data platform.

Calgary Intl. Airport (YYC) is the primary Calgary gateway for Air Canada flights from O’Hare Intl. Airport (ORD).

Jetting off from ORD to YYC with Air Canada comes with plenty of perks, such as top-tier customer service and a 4-star airline rating. Plus, when booking through Expedia, One Key™ members can collect OneKeyCash™* to use on select future travel purchases. That’s on top of the Air Canada Aeroplan points you can earn with Air Canada.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.

In most cases, you can change or cancel your flight, although there may be a charge if you booked over 24 hours ago. Prefer to keep your options open? Use our “No cancel fee” and “Changes included” filters to find flights that won’t charge you extra if you need to revise your plans. To update your itinerary, visit “Trips,” select your flight and click on “Manage Booking” for further information.