$128 Cheap Alaska Airlines flights Boise (BOI) to Pasco (PSC)

Scoring cheap one-way Alaska Airlines flights from BOI to PSC from $128 on Expedia is simple — just filter by "Price (lowest to highest)." Or check out our affordable return fares for your next exciting adventure.**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.

Search for affordable Alaska Airlines flights from Boise Airport (BOI) to Tri-Cities Airport (PSC) 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 class and itinerary, the best day to book a domestic flight is generally Sunday and the most expensive tends to be Monday. Passengers who book on a Sunday can save 6% on average compared to those who book their travel 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.

To find the earliest departures from BOI to PSC with Alaska Airlines, filter your results by "Early Morning" and "Morning." Booking an early flight usually means you'll experience fewer 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.

With top-tier customer service and a rewarding loyalty program, Alaska Airlines is a favorite for many passengers heading from BOI to PSC. 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 you can put toward future getaways.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.