$94 Cheap Alaska Airlines flights Denver (DEN) to Boise (BOI)

Scoring cheap one-way Alaska Airlines flights from DEN to BOI from $94 on Expedia is a cinch — just filter by “Price (lowest to highest).” Alternatively, check out our affordable return fares from $175 for your next getaway.**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.

Look for one-way or return flights to Boise in January or December. You could find a cheap fare with Alaska Airlines during these off-peak times.

Look for affordable Alaska Airlines flights from Denver Intl. Airport (DEN) to Boise Airport (BOI) one to three months before your departure day. 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 ideal day to book a domestic flight is generally Sunday and the most expensive 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 our “Nonstop” filter when looking for direct Alaska Airlines flights from DEN to BOI. You’ll also be able to compare other airlines offering the same nonstop trip.

Filter your results by “Morning” and “Early Morning” to find the earliest departures from DEN to BOI. Taking off early 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.

Get on an Alaska Airlines flight from Denver Intl. Airport (DEN) to Boise, and you’re most likely to touch down at Boise Airport (BOI). This is the airline’s primary hub here.

Alaska Airlines makes traveling from DEN to BOI enjoyable with a rewarding loyalty program and an excellent in-flight experience. You may even earn points with Mileage Plan. Make sure you sign up to Expedia’s free One Key™ rewards program to earn OneKeyCash™*, which can be redeemed on future bookings.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.

Changes are usually free within 24 hours of making your booking, but your airline may charge you after that. For further details about modifying your reservation, head to your “Trips,” select your flight and click on “Manage Booking.” If you’d like the freedom to change your plans without additional charges, check the “Changes included” or “No cancel fee” filter when organizing your trip.