
Seattle-Tacoma International Airport
Seattle-Tacoma International Airport, commonly known as Sea-Tac, lies approximately 22 kilometers south of downtown Seattle in the city of SeaTac, Washington. It serves as the primary international gateway for the Pacific Northwest region of the United States. The airport opened in 1949, built to replace Boeing Field as the area's main commercial airport, and has since grown into one of the busiest in North America.
About Seattle-Tacoma International Airport
Seattle-Tacoma International Airport, commonly known as Sea-Tac, lies approximately 22 kilometers south of downtown Seattle in the city of SeaTac, Washington. It serves as the primary international gateway for the Pacific Northwest region of the United States. The airport opened in 1949, built to replace Boeing Field as the area's main commercial airport, and has since grown into one of the busiest in North America.
Sea-Tac operates a single main terminal with multiple concourses and two satellite buildings connected by an underground transit system. The North Satellite handles primarily domestic flights, while the South Satellite is dedicated to international arrivals and departures. The airport has three parallel north-south runways and operates 24 hours a day. Ongoing expansion projects continue to modernize concourses and improve international processing.
Overview
Seattle-Tacoma International Airport, commonly known as Sea-Tac, lies approximately 22 kilometers south of downtown Seattle in the city of SeaTac, Washington. It serves as the primary international gateway for the Pacific Northwest region of the United States. The airport opened in 1949, built to replace Boeing Field as the area's main commercial airport, and has since grown into one of the busiest in North America.
Airlines
Sea-Tac is a major hub for Alaska Airlines, which is headquartered in the Seattle area, and serves as a significant hub for Delta Air Lines. Numerous international carriers operate here, including British Airways, Lufthansa, Air France, Emirates, Korean Air, and All Nippon Airways, connecting the Pacific Northwest with Europe, Asia, and the Middle East.
Airlines
Airlines flying from SEA
Routes
Top routes from SEA
Nearby airports
Other airports in United States
FAQ
Seattle-Tacoma International Airport — frequently asked questions
Quick answers to the details travellers usually check first, from codes and locations to the practical basics that help with planning.
9 common questions
- Seattle-Tacoma International Airport is located in Seattle, United States (North America), at coordinates 47.440°, -122.300°.
- Its IATA code is SEA and its ICAO code is KSEA.
- Seattle-Tacoma International Airport serves Seattle, United States. When comparing fares, check whether other airports also serve the same area — prices and transfer times can differ between them.
- Seattle-Tacoma International Airport operates on America/Los_Angeles local time. Departure and arrival times on tickets are always shown in each airport's local time, so double-check the offset when planning connections or pick-ups.
- Seattle-Tacoma International Airport sits at latitude 47.440° and longitude -122.300°. The map link in the details panel on this page opens the exact location for driving directions.
- Carriers tracked on routes from SEA include American Airlines, Alaska Airlines, Etihad Airways, Gulf Air, Royal Jordanian, United Airlines and 5 more.
- Tracked destinations from SEA include Chicago, San Francisco and Los Angeles.
- Its address is 17801 International Boulevard, Seattle, Washington, 98158, United States, the phone number is +1 206-787-5388, the official website is http://www.portseattle.org/Sea-Tac. For flight-specific questions (delays, baggage, rebooking), contact the operating airline directly rather than the airport.
- Yes — Originfacts lists 9 other airports in United States. The nearby-airports section on this page links to each of them, which is useful when comparing fares or finding an alternative departure point.










