2/ 5 reviews
FBO & ground handling
“We stopped by KLS for fuel (okay, it was really for a restroom break) and were unable to start our 182 to resume our flight.”
Jack Shattuck5★ on Google
Airports / Washington / KLS
Medium airport · KLS
Southwest Washington Regional Airport.
Kelso, Washington · 20 ft elevation. A private-aviation gateway on the Bravo register.
4.5/5
Google rating
13 ratings
0
Operators based
20
Elevation ft
Kelso, WashingtonELEV 20 FTMedium airport
4.5
Google rating
13
Google reviews
ratings on Google
1
FBOs on field
ramp, fuel and handling
20
Field elevation
feet above sea level
34
Nearest alternate
nm to PDX
Field standing
34 nm
To the nearest alternate
Portland International Airport (PDX), 4 fields within 50 nm.
Overview
Southwest Washington Regional Airport (KKLS / KLS) sits in Kelso, Washington, where it functions as a mid-sized airport. The airport sits 20 feet above sea level. With no scheduled airline service, it caters to private, charter, and general aviation traffic.
No charter operator is headquartered on the field, but operators routinely position aircraft into KLS for departures. When weather or ramp space demands it, nearby options are Portland International Airport (PDX, 34 nm), Portland Hillsboro Airport (HIO, 35 nm), and Portland Troutdale Airport (TTD, 40 nm). With a single 4,391-foot paved runway, KLS can typically accommodate aircraft as large as light jets.
Charter pricing from KLS depends on aircraft category, positioning distance, and trip timing. In directories and search listings it also appears under Molt Taylor Field and Kelso-Longview Regional. Compare rated operators or run a route through the cost estimator to gauge pricing from Kelso.
1 FBO serves KKLS. Run one? Become the preferred FBO
Ramp services
FBOs on the field
Cascade Air
Your FBO? Claim it, free- Fuel
- Mon-Fri 08:00-17:00, weekend varies
- Unicom 122.725
- Executive lounge
- Wi-Fi
- Courtesy car
- Restrooms
- Maintenance
- Parking
- Fuel
- Ground handling
- +3 more
- Phone
- Website
- Address
Directory data, unpaid. FBOs can take the Preferred slot above.
What fliers highlight.
From the stored review texts
2/ 5 reviews
Easy in & out
“Makes it easy for a trip to the coast or even a mountaun tour”
Mike Hedges5★ on Google
2/ 5 reviews
Terminal & facilities
“We stopped by KLS for fuel (okay, it was really for a restroom break) and were unable to start our 182 to resume our flight.”
Jack Shattuck5★ on Google
Themes counted by keyword across Google review texts for Southwest Washington Regional Airport, every quote is verbatim from a real review.
Field capability
ICAO
KKLS
IATA
KLS
FAA / Local
KLS
Elevation
20 ft
Coordinates
46.1180° N · 122.8980° W
Airspace
G · GolfClass G, GolfUncontrolled field, no tower. Pilots self-announce and sequence themselves on the common traffic advisory frequency.Source: FAA NASR class airspace
Size
Medium
Scheduled svc
No
Elevation vs WA fields
state range 10–2,556 ft
At 20 ft, KLS sits lower than 90% of the 52 Washington fields on the register.
Runways & aircraft access
1 runway
longest 4,391 ft
- 12/304,391 ft × 100 ftAsphaltLighted
Which aircraft can operate here
vs longest paved runway 4,391 ft
KLS's 4,391 ft paved runway typically supports charter aircraft up to light jets.
- Turboprop3,000 ft
- Light Jet3,500 ft
- Midsize Jet4,500 ft
- Super-Midsize Jet5,000 ft
- Heavy Jet5,500 ft
- VIP Airliner6,000 ft
Class minimums are sea-level planning rules of thumb. A specific aircraft's balanced-field length varies with weight, temperature, and field elevation. Confirm performance with the operator.
Access & alternates
Closest alternate fields by great-circle distance, every listing links to its own field brief.
- 34nmPDXPortland International AirportPortland
- 35nmHIOPortland Hillsboro AirportPortland
- 40nmTTDPortland Troutdale AirportPortland
- 41nmASTAstoria Regional AirportAstoria
- 51nmOLMOlympia Regional AirportOlympia
- 53nmKUAOAurora State AirportAurora
Location
Open the full mapKKLS · Southwest Washington Regional Airport · Kelso, WA
Flight times from here
Approximate nonstop block times from KLS on a typical midsize charter jet. Faster classes trim these; add positioning and taxi for the real schedule.
| Destination | Distance | Block time |
|---|---|---|
| San Francisco (SFO) | 511 nm | 1h 35m |
| Jackson Hole (JAC) | 538 nm | 1h 39m |
| Salt Lake City (SLC) | 573 nm | 1h 44m |
| Las Vegas (LAS) | 696 nm | 2h 1m |
| Los Angeles (VNY) | 743 nm | 2h 8m |
| Vail / Eagle (EGE) | 801 nm | 2h 16m |
| Aspen (ASE) | 818 nm | 2h 18m |
| Denver (DEN) | 881 nm | 2h 27m |
Common questions
- What size private jets can use KLS?
- Southwest Washington Regional Airport's longest paved runway is 4,391 ft, which typically supports charter aircraft up to light jets. Lighter classes (turboprops, light and midsize jets) operate comfortably; confirm exact performance for a specific tail with the operator, since balanced-field length shifts with weight, temperature, and elevation.
- What is the longest runway at KLS?
- Southwest Washington Regional Airport has one runway; the longest measures 4,391 ft on a paved surface and is lit for night operations.
- Which FBOs are at Southwest Washington Regional Airport?
- One FBO serves KLS: Cascade Air. Phone, website, hours, unicom and services for each are listed on this page. Call ahead for fuel, ramp space, and ground handling.
- What is the nearest major airport to KLS?
- The closest alternate is Portland International Airport (PDX), about 34 nm away, followed by Portland Hillsboro Airport (HIO) at 35 nm. Operators often position aircraft between these fields depending on ramp space and availability.
- How long is a flight from KLS to major cities?
- Typical block times on a midsize jet: San Francisco about 1h 35m (511 nm), Jackson Hole about 1h 39m (538 nm), Salt Lake City about 1h 44m (573 nm). Faster classes trim these times; add positioning and taxi for the real schedule.