19300 International Blvd.
Seattle, WA 98188
Alaska Airlines is the fifth-largest U.S. airline based on passenger traffic and is one of the most popular U.S. West Coast air carriers. Headquartered in Seattle, Alaska Airlines has expanded significantly to serve several transcontinental U.S. East Coast routes, following the merger with Virgin America. The airline has also expanded internationally, with service to Costa Rica, Canada and Mexico.