Cheap Alaska Airlines flights Chicago (ORD) to Boise (BOI)

Use the “Price (lowest to highest)” filter on Expedia to find cheap Alaska Airlines return flights from $167 from ORD to BOI. Affordable one-way fares are available as well.**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.

Alaska Airlines flights to Boise are generally cheaper in the low-season months of January and December. Whether you need a return or one-way ticket, you could land a better deal then.

Look for cheap Alaska Airlines flights from O’Hare Intl. Airport (ORD) to Boise Airport (BOI) one to three months before your day of departure. Travelers who book domestic flights 34 to 86 days in advance can save 25% compared to those who book just 6 to 12 days ahead. No matter the fare type and journey, the best day to book a domestic flight is generally Sunday and the most expensive day is typically Monday. Passengers who book on a Sunday can save 6% on average compared to those who book on a Monday.**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.

Use the “Nonstop” filter when looking for direct Alaska Airlines flights from ORD to BOI. It’s also an easy way to compare other carriers servicing the same direct route.

Browse Alaska Airlines’s earliest flights from ORD to BOI by selecting our “Morning” and “Early Morning” filters. Not only will you arrive sooner, early departures also have a 20% less chance of being 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.

Boise Airport (BOI) is the primary Boise hub for Alaska Airlines flights from O’Hare Intl. Airport (ORD).

Offering an excellent in-flight experience and a rewarding loyalty program, Alaska Airlines is a popular option for many travelers flying from ORD to BOI. Plus, 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 spent on future travel.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.

Depending on your fare type, a fee generally applies if you cancel or change your flight more than 24 hours after confirmation. To find flexible plane tickets, select our “Changes included” or “No cancel fee” filter while looking for flights. For more information on canceling or changing your reservation, visit “Trips,” select your flight and tick “Manage Booking.”