Located in the heart of Northern California’s world renowned Wine Country, STS is the only airport that offers scheduled air service into the North Bay region. Daily nonstop flights include: Alaska® Airlines to Los Angeles, Orange County, San Diego, Portland, and Seattle; American Airlines to Phoenix, Dallas and Los Angeles; Avelo Airlines to Burbank; and United Airlines to Denver and San Francisco. All Airlines offer a wide-range of connecting flights to destinations across the continental U.S., Mexico, and beyond.