Seattle-Tacoma Intl
A Journey Through Time
1947 — 2019
1940s
1947
Seattle-Tacoma International Airport opened on 9 June 1947 as a joint venture between the cities of Seattle and Tacoma, built on a site midway between the two cities.
1970s
1973
The distinctive space-age main terminal and satellite concourse system opened in 1973, establishing the concourse-with-underground-train model that many airports would later adopt.
2010s
2019
The International Arrivals Facility opened in 2019 with a 900-foot grand hall, making Sea-Tac the primary US gateway for transpacific travel from Asia to the Pacific Northwest.
Present