Oakland International Airport (IATA: OAK, ICAO: KOAK, FAA LID: OAK), also known as Metropolitan Oakland International Airport, is a public airport located 4 NM (7.4 km; 4.6 mi) south of the central business district of Oakland, a city in Alameda County, California, United States. It is owned by the Port of Oakland.
One of three international airports in the San Francisco Bay Area, airlines serving Oakland International provide service to numerous destinations in the United States, as well as Europe and Mexico.
Oakland is a focus city--with the airport as a crew base and the 10th busiest--for Southwest Airlines. It is also a focus city for Allegiant Air. As of November 2011, Southwest currently has as many as 107 daily flights on peak-travel days of the week.