What are the operating hours of KKLS?

Southwest Washington Regional Airport operates from 15:00 to 00:00.

What fuel is available at KKLS?

Southwest Washington Regional Airport offers 100LL, Jet A.

Does KKLS require landing permits?

Yes, landing permits are required for Southwest Washington Regional Airport (United States).

Where is KKLS located?

Southwest Washington Regional Airport (KKLS) is located in Kelso, United States.

What is the IATA code for KKLS?

The IATA code for Southwest Washington Regional Airport is KLS.

How long is the runway at KKLS?

The main runway at Southwest Washington Regional Airport (12/30) measures 1338x30m.

Reference data only — not for flight planning or navigation. Verify with official sources (AIP, NOTAMs, ATC). Full disclaimer

Southwest Washington Regional Airport (KKLS/KLS) — Kelso, United States

Southwest Washington Regional Airport (KKLS/KLS) serves Kelso, United States. This is a mid-sized airport with 1 runway (12/30). Field elevation is 20 ft AMSL. Data on this page is maintained by the aviation community — contribute to keep it accurate.

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77% Data Complete 40 of 52 points

Missing: Contacts

Section Breakdown

Basic Info 7/7

Runways 4/4

Frequencies 2/4

Operations 2/2

Fuel 1/1

Contacts 0/2

Additional Info 3/10

Data last updated: 2026-03-27

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Basic Airport Information

ICAO: KKLS
Name: Southwest Washington Regional Airport
Type: medium_airport
Category: Domestic
Latitude: 46.118
Longitude: -122.898003
Elevation: 20 ft
Country: United States
Municipality: Kelso
IATA Code: KLS
FAA Code: N/A
FIR: N/A
Timezone: America/Los_Angeles
Distance from City: N/A km
VFR: Yes
IFR: No

Runways

Runway 12/30

Designation: 12/30
Dimensions: 1338x30m
Surface: ASP
PCN: N/A
Lighting: Lighted
NAVAIDs: N/A
Approach Types: N/A
Remarks: N/A

Frequencies

Tower: N/A
Ground: N/A
Operations: 122.250 MHz
Traffic/Approach: 124.200 MHz
ATIS: 135.075 MHz

Operation Hours

Monday 15:00 – 00:00

Tuesday 15:00 – 00:00

Wednesday 15:00 – 00:00

Thursday 15:00 – 00:00

Friday 15:00 – 00:00

Saturday 15:00 – 00:00

Sunday 15:00 – 00:00

Extra Hours On Request: No
Remarks: N/A

Contacts

AIS Tel: N/A
ARO Tel: N/A
MET Tel: N/A
Admin Tel: +1 360-261-8268
Health Tel: N/A
Police Tel: N/A
Authorities Tel: N/A
Website: N/A
Remarks: N/A

Slots / PPR

Slot Required: No
PPR Required: No
PPR Contact: N/A
Remarks: N/A

Fuel Information

Fuel Type: 100LL
Price/L: N/A
Last Updated: N/A
Remarks: N/A

Fuel Type: Jet A
Price/L: N/A
Last Updated: N/A
Remarks: N/A

Immigration

Port of Entry: No
GENDEC Required: No
GAR Required: No
Remarks: N/A

Airport Services

No services listed for this airport yet.

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United States Permit Requirements

Fast Landing: 1d

Overflight Permit: No
Landing Permit: Conditional
Overflight Lead Time: N/A
Landing Lead Time: 60 minutes minimum (eAPIS manifest before departure); recommend 24-48 hours for CBP port notification

Private / GA Operations:

No permits required for private non-revenue flights. eAPIS manifest mandatory for all international arrivals/departures.

View Full United States Permit Details

Active NOTAMs

1/2 caution

Instrument procedure change

KLS SOUTHWEST WASHINGTON RGNL, KELSO, WA. RNAV (GPS) RWY 12, AMDT 1... LPV DA 708/ HAT 688 ALL CATS. VISIBILITY ALL CATS 2. LNAV/VNAV DA 866/ HAT 846 ALL CATS. VISIBILITY ALL CATS 2 1/2. LNAV MDA 1080/ HAT 1060 ALL CATS. VDP 2.33NM TO RW12. TEMPORARY CRANES 185FT MSL 1500FT SOUTH OF RWY 12 (ASN UNKN…

2026-05-20 17:46:00 2026-12-30 17:46:00

07/006 info

!KLS 07/006 KLS AD AP 100LL NOT AVBL 2607120357-2607132359

2026-07-12 03:57:00 2026-07-13 23:59:00

06/010 info

!KLS 06/010 KLS OBST TOWER LGT (ASR UNKNOWN) 460258.04N1225511.26W (5.1NM SW KLS) 1304FT (164FT AGL) U/S 2606071706-2609052359

2026-06-07 17:06:00 2026-09-05 23:59:00

+3 more active NOTAMs

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Nearby Airports

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Compare KKLS with 05S side by side →

Airport History

Discover the key milestones and historical events that shaped Southwest Washington Regional Airport. Our community-powered timeline traces this airport's journey from its origins to the present day.

Explore History

Frequently Asked Questions

What are the operating hours of KKLS?: Southwest Washington Regional Airport operates from 15:00 to 00:00.
What fuel is available at KKLS?: Southwest Washington Regional Airport offers 100LL, Jet A.
Does KKLS require landing permits?: Yes, landing permits are required for Southwest Washington Regional Airport (United States).
Where is KKLS located?: Southwest Washington Regional Airport (KKLS) is located in Kelso, United States.
What is the IATA code for KKLS?: The IATA code for Southwest Washington Regional Airport is KLS.
How long is the runway at KKLS?: The main runway at Southwest Washington Regional Airport (12/30) measures 1338x30m.

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