Oakland San Francisco Bay Airport is an international airport in Oakland, California, United States. The airport is located seven miles (11 km) south of downtown Oakland and twelve miles (19 km) east of San Francisco, serving the East Bay of the San Francisco Bay Area. The airport is owned by the Port of Oakland and has domestic passenger flights to cities throughout the United States and international flights to Mexico and El Salvador, in addition to cargo flights to China and Japan. The airport covers 2,600 acres (1,100 ha) of land. The airport is an operating base for Southwest Airlines.