United Airlines
United Airlines provides flights from Sonoma County to San Francisco with the minimum price per 1 adult round-trip ticket of $732. The price was taken from the official website of the airline and are indicated for August - November 2018. The boarding gate for the airlines closes 30 minutes before the flight.
Phone number of United Airlines: +1-800-864-8331
Official Website: https://www.united.com/en/us/