Airport map and runways
Seattle, United States · ICAO KSEA · IATA SEA
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Seattle–Tacoma International Airport (SEA) is a large airport in Seattle, United States, with the ICAO code KSEA. It is number 37 on the ACI World list of the busiest airports, with 52.7 million passengers in 2025. Its 3 runways are 16L/34R, 16C/34C and 16R/34L. The longest, 16L/34R, is 11,901 ft. All of them have hard surfaces. The OpenStreetMap layout shows 103 gates, 171 taxiway segments, 36 aprons and 11 terminal outlines. In the route snapshot of 14 Oct 2026, 74 airlines have 2,839 routes through KSEA. Its most frequent links are Los Angeles (LAX), Anchorage (ANC) and San Francisco (SFO).
| Runway | Length | Width | Surface | Lights |
|---|---|---|---|---|
| 16L / 34R | 11,901 ft | 150 ft | Hard | Lit |
| 16C / 34C | 9,426 ft | 150 ft | Hard | Lit |
| 16R / 34L | 8,500 ft | 150 ft | Hard | Lit |
Runway idents and sizes from OurAirports. The runway headings in the source do not always match the idents, so only the idents are shown.
Published route data from the snapshot of 14 Oct 2026. These are standing schedules, not live flights, and they can be out of date. Counts are routes in that snapshot.
Also flying here, shown by airline code: COA, AWE, VRD.
The closest airports that have a map and a page here.
Short Final is free on Google Play. Pick the airport, draw a path for each plane, and bring it down on the right runway.
Sources: airport and runway data from OurAirports (public domain). Map data from OpenStreetMap contributors (ODbL). Routes from Virtual Radar Server standing data (CC0), snapshot of 14 Oct 2026.
