Seattle-Tacoma International Airport

With over 45.7 million passengers in 2016, Seattle-Tacoma International Airport (SEA) is the largest airport in the Pacific Northwest, with over 30 airlines and serving as a hub for both Alaska Airlines and Delta Air Lines. Seattle's location as the closest West Coast city to both Europe and Asia makes it an ideal international gateway, a fact that has made Seattle one of the fastest-growing airports in North America for the past five years.. As the headquarters...

• List of Top 5 Airlines: Alaska 51 percent, Delta 19.4 percent, Southwest, 7.7 percent, United 6.8 percent
• Number of Serving Airlines: 31
• Number of Direct Destinations: 77 domestic, 22 international
• Number of Terminals: 6: Four passenger concourses (A-D), two Satellite terminals (North and South)