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Seattle–Tacoma International Airport
Seattle, United States
Seattle–Tacoma International Airport
The Pacific Northwest's primary gateway to the world.
- ›Sea-Tac is the largest airport in the Pacific Northwest and one of the top 10 busiest in the United States.
- ›Alaska Airlines was founded in the region and maintains its largest hub and headquarters presence at Sea-Tac.
- ›The International Arrivals Facility, opened in 2020, cost approximately $968 million and doubled international processing capacity.
- ›The airport sits at an elevation of 433 feet above sea level on a plateau between Puget Sound and Lake Washington.
- ›Sea-Tac is managed and operated by the Port of Seattle, a public agency.
Seattle–Tacoma International Airport, universally known as Sea-Tac, opened in 1944 and serves as the primary commercial aviation hub for the Pacific Northwest. Operated by the Port of Seattle, it connects the region to destinations across North America, Asia, and Europe, reflecting the area's deep ties to global trade and technology. Sea-Tac consistently ranks among the busiest airports in the United States, anchored by Alaska Airlines and a robust Delta hub.
- Main Terminal — The central hub housing check-in, security, baggage claim, and the primary retail and dining concourses.
- Concourse A — Serves select domestic and international flights, connected to the main terminal via the Airport Link underground train.
- Concourse B — Home primarily to Alaska Airlines gates handling a high volume of domestic and West Coast routes.
- Concourse C — Hosts additional domestic carriers including Southwest and other regional operators.
- Concourse D — Primarily used by Delta Air Lines for its domestic and international departures.
- Concourse N (North Satellite) — Focuses on international arrivals and departures, including many transpacific routes, with dedicated customs facilities.
- Concourse S (South Satellite) — Handles Alaska Airlines overflow and additional domestic traffic, reached by the internal underground train.
- Link Light Rail — Sound Transit's 1 Line runs directly from the airport to downtown Seattle and beyond
- King County Metro bus routes serving the airport and surrounding communities
- Shuttle Express and other shared-ride van services to hotels and neighborhoods
- Rideshare apps (Uber, Lyft) with a designated pickup zone on the third floor of the parking garage
- Yellow Cab and other licensed taxis available at the ground transportation curb
- Car rental center accessible via the rental car shuttle from baggage claim
- Marriott Seattle Airport
- Hyatt Regency Seattle Airport
- Embassy Suites by Hilton Seattle–Tacoma International Airport
- Radisson Hotel Seattle Airport
- Hampton Inn Seattle–Airport
Inside Sea-Tac, travellers will find a strong emphasis on local Pacific Northwest flavors, with outlets from celebrated Seattle brands such as Ivar's Seafood Bar, Beecher's Handmade Cheese, and Mod Pizza spread across the concourses. The airport has made a deliberate effort to feature regional breweries and coffee roasters, reflecting Seattle's iconic coffee culture. Outside the airport, the nearby city of SeaTac and the communities along International Boulevard offer a diverse range of affordable international cuisine within a short drive or bus ride.
- Allow extra time during morning and late-afternoon peak hours — Sea-Tac's security checkpoints can have lengthy queues, especially in summer.
- Use Sound Transit's Link Light Rail to avoid highway congestion; the ride to downtown Seattle takes roughly 40 minutes and costs a few dollars.
- The North Satellite concourse for international departures requires a train ride from the main terminal — factor in at least 10 extra minutes.
- Free Wi-Fi is available throughout the airport; look for the 'Sea-Tac Free WiFi' network, though speeds can vary during peak travel times.
AI-assisted overview, verified against public sources.
Seattle-Tacoma International Airport (SEA), commonly known as Seattle International Airport, is a major U.S. hub located 14 miles south of downtown Seattle. Serving 120+ destinations, SEA is home to Alaska Airlines and offers top dining, shopping, and efficient international connections.
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Airlines serving this airport
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Official airport contacts
Official contacts sourced from the airport authority. Verified 2026-08-11.
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Seattle–Tacoma International Airport is the primary international airport serving Seattle and its surrounding metropolitan area in the U.S. state of Washington. It is in the city of SeaTac, which was named after the airport's nickname Sea–Tac, approximately 14 miles (23 km) south of downtown Seattle and 18 miles (29 km) north-northeast of downtown Tacoma. The airport is the busiest in the Pacific Northwest region of North America and is owned by the Port of Seattle.
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