Sea-Tac Airport Lost and Found Information
Lost on the Plane
For items left on an aircraft contact the airline.
Lost at the Security Check
For items lost at a TSA Security checkpoint, contact the agency’s Lost and Found department. Contact details available on the TSA website.
Lost in the Airport
The Airport Lost and Found office is located in the Baggage Claim area near Carousel 13. The office is open from 8am to 6pm, and can be contacted on (206) 787-5312. A Lost and Found report can also be made online.