Cheap Alaska Airlines flights Chicago (ORD) to Kalispell (FCA)

Finding cheap one-way Alaska Airlines flights from ORD to FCA on Expedia is a cinch --- just filter by "Price (lowest to highest)." Alternatively, check out our affordable return fares from $210 for your next exciting vacation.**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.

To find cheap Alaska Airlines fares from O'Hare Intl. Airport (ORD) to Glacier Park Intl. Airport (FCA), start searching one to three months before your planned departure. Securing domestic flights 34 to 86 days in advance could save you 25% compared to booking just 6 to 12 days ahead. The day you book can also influence the overall cost. Sunday is usually the cheapest, while Monday is often the most expensive for domestic flights. You can save 6% on average by choosing to book on a Sunday.**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.

Search Alaska Airlines's earliest flights from ORD to FCA by using our "Early Morning" and "Morning" filters. Not only will you get to where you're going sooner, early departures are also 20% less likely to be canceled.**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.

With top-tier customer service and a rewarding loyalty program, Alaska Airlines is the leading choice for many passengers flying from ORD to FCA. Also, if you're a Mileage Plan and One Key™ member booking with Expedia, you could earn OneKeyCash™* on eligible flights on top of your airline miles, which can be put toward future travel purchases.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.