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IATA SEA ICAO KSEA Large airport

Seattle–Tacoma International Airport

Seattle · Washington · United States

Location

Town
Seattle
Region
Washington
Country
United States
Elevation
433 ft
Latitude
47.4479
Longitude
-122.3103

Observed traffic

Departures (30 d)
16,541
Arrivals (30 d)
16,485
All observed flights
33,053
Last seen
October 30, 2026

Facility

Type
Large airport
Scheduled service
Yes
Longest runway
11,901 ft
Also known as
—

Runways

RunwayLengthWidth SurfaceLightedHeadings
16L / 34R 11,901 ft 150 ft PEM Yes 180° / 360°
16C / 34C 9,426 ft 150 ft PEM Yes 180° / 360°
16R / 34L 8,500 ft 150 ft PEM Yes 180° / 360°
lower / high (closed) — — — Yes —

Frequencies

TypeDescriptionMHz
A/D APP/DEP 119.200
CLD CLNC DEL 128.000
CTAF Oshosh traffic 118.500
D-ATIS Digital ATIS 118.000
GND Seattle Ground 121.700
TWR Seattle Tower 119.900
UNIC UNICOM 122.950

WikipediaAirport website Airport data from OurAirports (public domain).