AKST,  

Can I store luggage at the airport?

Yes. There are two baggage-storage vendors at the airport. To utilize their services, you must present a valid and current airline ticket or boarding pass. If possible, we recommend contacting them prior to your arrival to confirm availability and hours of operation:

Alaska Luggage & Seafood Shipping Services
Level 2, across from the TSA security checkpoint
907.644.8256

Huntleigh USA
Level 1, behind Baggage Claim 4
907.248.0373