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IATA KLS ICAO KKLS Medium airport

Southwest Washington Regional Airport

Kelso · Washington · United States

Location

Town
Kelso
Region
Washington
Country
United States
Elevation
20 ft
Latitude
46.1180
Longitude
-122.8980

Observed traffic

Departures (30 d)
247
Arrivals (30 d)
237
All observed flights
484
Last seen
October 30, 2026

Facility

Type
Medium airport
Scheduled service
No
Longest runway
4,391 ft
Also known as
—

Runways

RunwayLengthWidth SurfaceLightedHeadings
12 / 30 4,391 ft 100 ft ASP Yes 140° / 320°

Frequencies

TypeDescriptionMHz
AWOS AWOS 3 135.075
CNTR SEATTLE CNTR 124.200
FSS SEATTLE RDO 122.250
UNIC CTAF/UNICOM 122.800

WikipediaAirport website Airport data from OurAirports (public domain).