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AIRPORT

Southwest Washington Regional AirportKKLS / KLS

Southwest Washington Regional Airport serves Kelso, Washington, United States. Its ICAO code is KKLS and its IATA code KLS. The longest of its one runway is 12/30, at 4,391 ft (1,338 m). The field is 20 ft (6 m) above sea level. Local time is America/Los Angeles, UTC-8, or UTC-7 with daylight saving.

Published by Overfly · Airport data: OurAirports, 14 Sep 2026 · Last updated 23 Sep 2026

ICAO

KKLS

IATA

KLS

LONGEST RUNWAY

4,391 ft

1,338 m · 12/30

ELEVATION

20 ft

6 m

TIME ZONE

UTC-8

America/Los_Angeles

POSITION

46.118°N

122.898°W

Runways

12/304,391 ft · 1,338 mASP

Nearest airports

Portland International Airport KPDX 34 nm35m

Portland Hillsboro Airport KHIO 35 nm35m

Portland Troutdale Airport KTTD 40 nm35m

Astoria Regional Airport KAST 41 nm35m

Olympia Regional Airport KOLM 51 nm35m

Aurora State Airport KUAO 53 nm35m

McMinnville Municipal Airport KMMV 56 nm35m

Gray Army Air Field KGRF 59 nm35m

Questions people ask about Southwest Washington Regional Airport

How long is the runway at Southwest Washington Regional Airport?

The longest runway, 12/30, is 4,391 ft (1,338 m), surface ASP.

What is the elevation of Southwest Washington Regional Airport?

20 ft (6 m) above mean sea level.

What time zone is Southwest Washington Regional Airport in?

America/Los Angeles: UTC-8, or UTC-7 with daylight saving.

What are the codes for Southwest Washington Regional Airport?

ICAO KKLS, IATA KLS. It serves Kelso, United States.

How far can you fly from Kelso?

Open the mapper with a 7,300 nm range ring around KKLS, then pick your own aircraft, add a route and check every leg.

Open KKLS in the mapper

For reference and planning interest. Not for operational flight planning. Runway and elevation data from OurAirports; check current charts and NOTAMs before any flight. © 2026 Overfly.Flights