International Airport Review
Wendy Reiter
11 May 2026
Seattle Tacoma International Airport has completed its major Gateway Project, modernising passenger processing security baggage handling and terminal infrastructure ahead of peak international travel demand.
For years, the greater Seattle region has and continues to experience unprecedented growth in population and popularity as a travel destination. To meet this demand, Seattle-Tacoma International Airport (SEA) has taken on a series of transformative construction projects under Upgrade SEA, its customer-facing capital improvement program campaign. One of the biggest projects in the program’s portfolio is the SEA Gateway Project. Completed in January, the project kicks off a year full of capital project successes and achievements ahead of the world’s largest soccer competition this summer. SEA Airport is ready to welcome the world!
SEA Gateway Project upgrade | International Airport Review | 11 May 2026
