Airports Seattle PreviousSan Francisco NextSeoul Seattle Seattle 0.00 Welcome to Seattle-Tacoma International Airport. Use SkyBuys to check out information on duty free shopping and allowances. Or download the SkyBuys App and start duty free shopping. Add To Cart Facebook0 Twitter LinkedIn0 StumbleUpon Reddit Tumblr Pinterest0 duty free shopping Dufry Duty Free at SeattleAll passengers to shop in our stores, International passengers may purchase all merchandise sold in our stores. airport information Port of SeattleWelcome to the Seattle-Tacoma International Airport airport allowances SecurityFor all Seattle airport information on customs and security, please click here.