STS offers Alaska Airlines daily nonstop flights to and from Los Angeles, Portland, San Diego, Orange County, and Seattle; and Allegiant Air nonstop flights to Las Vegas and Phoenix-Mesa; cities that offer a wide range of connecting flights to destinations in the U.S. and around the world.
Visitors and residents alike find STS an easy and convenient airport for getting to and from Lake, Marin, Mendocino, Napa, and Sonoma Counties.
Other operations in and out of STS include air cargo, private and corporate flights, military, search and rescue, fire fighting, law enforcement, and pilot training. STS is owned by the County of Sonoma and operated by the Department of Transportation and Public Works - Airport Division.