Cheap Alaska Airlines flights Spokane (GEG) to Phoenix (PHX)

Finding cheap one-way Alaska Airlines flights from GEG to PHX on Expedia is a breeze — just filter by “Price (lowest to highest).” Alternatively, check out our budget-friendly return fares for your next break.**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.

July is one of the most affordable months to jet off to Phoenix with Alaska Airlines. You could also find great deals on one-way and return tickets in August.

Search for affordable Alaska Airlines flights from Spokane Intl. Airport (GEG) to Sky Harbor Intl. Airport (PHX) one to three months prior to your 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. Regardless of fare class and journey, the ideal 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 see if there’s a direct route from GEG to PHX with Alaska Airlines or other carriers, select the “Nonstop” filter when looking for flights.

Search Alaska Airlines’s earliest flights from GEG to PHX by using our “Morning” and “Early Morning” filters. Not only will you arrive at your destination sooner, early departures also experience 20% 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.

Sky Harbor Intl. Airport (PHX) is the main Phoenix hub for Alaska Airlines flights from Spokane Intl. Airport (GEG).

Flying from GEG to PHX with Alaska Airlines means enjoying plenty of perks, such as a rewarding loyalty program and an excellent in-flight experience. Plus, when booking through Expedia, One Key™ members can earn OneKeyCash™* to redeem on select future travel purchases. That’s on top of the Mileage Plan points you can earn with Alaska Airlines.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.

Chances are you’ll travel on an Airbus A320 for your Alaska Airlines flight from Spokane Intl. Airport (GEG) to Sky Harbor Intl. Airport (PHX). However, you may end up on an alternative aircraft if there’s an operational need.

Changes are generally free within 24 hours of making a booking, but your airline may charge you after that. For further information about altering your reservation, head to your “Trips,” select your flight and click on “Manage Booking.” If you want the flexibility to update your itinerary without additional costs, tick the “Changes included” and “No cancel fee” filters when planning your next adventure.