STS

Charles M. Schulz Sonoma County Airport

ICAO KSTS38.5090°N 122.8130°W129 ft / 39 mMedium airport
On the map
Sonoma County Airport - Topo
United States Geological Survey (USGS) · Public domain · Commons

Charles M. Schulz Sonoma County Airport (IATA: STS, ICAO: KSTS) is a medium airport in Santa Rosa, California, United States. It opened in Jun 1942. It has 2 runways; the longest is 6,000 ft (1,829 m). It is operated by County of Sonoma. In 2025 it handled 773 thousand passengers.

Timeline

1 event · 1942–1942
JUN 1942
OpenedCharles M. Schulz Sonoma County Airport opens.
From Wikidata and WikipediaEvery airfield, 1903–2026

Runways & airfield

Schematic · N · © OpenStreetMap · FAA diagram PDF
Charles M. Schultz - Sonoma County AirportGates 5-8
14/32157° / 337° · LIT
LENGTH6,000 ft1,829 mWIDTH150 ft46 mSURFACEAsphalt
02/20029° / 209° · LIT
LENGTH5,202 ft1,586 mWIDTH100 ft31 mSURFACEAsphalt

Passengers per year

2014–2025
238K
272K
339K
401K
433K
477K
193K
430K
607K
635K
765K
773K
141516171819202122232425

Routes

14 destinations · 1 country
Most destinationsAlaska Airlines 11Southwest Airlines 5Delta Connection 1

Straight lines are great circles; rings mark true distance from STS. Dashed: seasonal or charter. From the Wikipedia article “Charles M. Schulz–Sonoma County Airport” (revision of 22 Sep 2026), CC BY-SA 4.0.

Records & rankings

Ranked among 48,011 open airports · world · region · country
Passengers773K (2025)1 · FEWER1 · FEWERMEDIAN · 64KMEDIAN · 64KMORE · 103MMORE · 103M#925of 3,974 · #225 North America · #158 USLongest runway6,000 ft1,829 m46 m · SHORT150 ft · SHORTMEDIAN · 975 mMEDIAN · 3,200 ftLONG · 5,300 mLONG · 17,388 ft=4,612of 29,823 · =1,310 North America · =1,036 USElevation129 ft39 m-386 m · LOW-1,266 ft · LOWMEDIAN · 240 mMEDIAN · 787 ftHIGH · 4,938 mHIGH · 16,200 ft=35,913of 43,341 · =16,316 North America · =13,678 USAgeOpened 19422026 · NEWEST2026 · NEWESTMEDIAN · 1976MEDIAN · 1976OLDEST · 1902OLDEST · 1902=1,791of 15,079 · =924 North America · =885 USRunways21 · FEWER1 · FEWERMEDIAN · 1MEDIAN · 1MORE · 8MORE · 8=713of 29,943 · =435 North America · =391 US
Scale: share of airports ranked below, best on the right · ties shown as = and a band · passengers are each airport’s latest year on record

Radio frequencies

6 channels
A/DNORCAL APP/DEP127.800
ATISATIS120.550
CTAFCTAF118.500
GNDGND121.900
TWRSANTA ROSA TWR118.500
UNICUNICOM122.950