Seattle–Tacoma International Airport Guide
Seattle-Tacoma International Airport, known as Sea-Tac, sits in the city of SeaTac, Washington, 23 km south of downtown Seattle and 36 km north of downtown Tacoma. Opened for commercial operations in 1947, it serves as the primary hub for Alaska Airlines, whose headquarters are located nearby, and is a major international gateway for Delta Air Lines.
The airport recorded 52.6 million passengers in 2024, a new annual record and a return to growth following the pandemic. It handles around 434,000 aircraft movements per year. Three parallel runways support continuous high-frequency operations across domestic and international routes.
Sea-Tac connects to downtown Seattle via Link Light Rail in under 40 minutes, making it one of the more transit-accessible major US airports. The South Satellite serves the bulk of long-haul international traffic, including flights to Europe, the Middle East, and Asia. A second terminal with 19 additional gates has been approved and is planned for completion by 2032.
Services
5 of 6 availableCompare 51 listed options at Seattle–Tacoma International Airport, spanning parking, car rentals, lounges, hotels and shuttles. Each guide sets out locations, distance from the airport, key features and links to book direct, so you can weigh cost against convenience before you fly. Select a service below to see every provider we track for Seattle–Tacoma International Airport.
Location
Key facts
- Size
- 53M passengers (2024)3 runwaysopened 1947
- Location
- 47.448, -122.310
- Operator
- Port of Seattle
Terminals
6 terminalsSeattle–Tacoma International Airport has 6 passenger terminals — Concourse A, Concourse B, Concourse C, Concourse D, North Satellite and South Satellite, handling both international and domestic flights for around 16 airlines. Check which terminal your airline uses before you travel, as check-in, security and boarding points differ between them, and moving from one to another can take time.
- Concourse AMixed
Delta Air Lines, WestJet
- Concourse BDomestic
Delta Air Lines, Southwest Airlines, United Airlines, Frontier Airlines, WestJet
- Concourse CDomestic
Alaska Airlines
- Concourse DMixed
Alaska Airlines, American Airlines
- North SatelliteDomestic
Alaska Airlines
- South SatelliteInternational
Cathay Pacific, Emirates, Japan Airlines, Qatar Airways, Singapore Airlines, Turkish Airlines, British Airways, Aer Lingus, Virgin Atlantic
Nearby cities
4 citiesSeattle–Tacoma International Airport is closest to Renton (11 km northeast), and also serves Seattle, Bellevue and other nearby areas. With 4 towns and cities within reach, it is a practical gateway for the wider region. Distances shown are straight-line from the airport, so allow extra time for road transfers, traffic and parking.
- Seattle23 km north
- Renton11 km northeast
- Bellevue28 km northeast
- Tacoma36 km south
Frequently Asked Questions
What are the airport codes for Seattle–Tacoma International Airport?
What are the airport codes for Seattle–Tacoma International Airport?
Where is Seattle–Tacoma International Airport located?
Where is Seattle–Tacoma International Airport located?
What services are available at Seattle–Tacoma International Airport?
What services are available at Seattle–Tacoma International Airport?
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