A trio of major airfields positioned around the bay provides several points of entry for those arriving on a flight to San Francisco. This geographic layout allows travellers to select a gateway based on their specific airline preference or their final destination within the northern California region.
San Francisco International Airport (SFO)
San Francisco International Airport, identified by the code SFO, is the primary gateway for the region and is located about 21 km south of the downtown core in San Mateo County. It operates as a major international hub, particularly for United Airlines and Alaska Airlines, with four extensive terminals connected by an automated people mover. The facility handles a vast network of long-haul transpacific and transatlantic routes alongside a high volume of domestic flights to San Francisco.
Upon clearing arrivals, the most efficient way to reach the city is via the BART (Bay Area Rapid Transit) train system, which maintains a station integrated into the International Terminal. The journey takes approximately 30 minutes to reach central stops like Powell Street Station or Embarcadero in the Financial District. For those preferring direct road travel, taxis and ride-hailing services are available at designated zones, typically reaching Union Square in about 25 to 45 minutes depending on the flow of traffic on US-101. Public bus services also operate through SamTrans, providing 24-hour coverage to various points along the peninsula.
San Francisco Bay Oakland International Airport (OAK)
San Francisco Bay Oakland International Airport, known as OAK, is situated roughly 32 km east of the city across the San Francisco–Oakland Bay Bridge. While it is located in Oakland, it is a significant secondary airport for the metropolitan area and is a major base for Southwest Airlines. The airport consists of two passenger terminals and is frequently used for domestic routes and low-cost carrier operations within North America.
To travel into the city from this side of the bay, passengers can take the automated BART to OAK shuttle which connects the terminals to the Coliseum Station. From there, a transfer to a Richmond or Daly City bound train brings travellers into Downtown San Francisco in roughly 40 minutes. Taxis and app-based vehicle services are also prominent, though the drive time to the Market Street area can vary significantly between 35 and 60 minutes due to bridge congestion.
San Jose Mineta International Airport (SJC)
San Jose Mineta International Airport, or SJC, is located approximately 75 km southeast of the city centre in San Jose. It is a convenient alternative for those visiting Silicon Valley or the southern reaches of the bay, which includes two modern terminals. The airport hosts a mix of domestic carriers and select international services, providing a less crowded environment than the larger hubs to the north.
Reaching the city from the south usually involves a combination of shuttle and rail services. Travellers can board the free VTA (Santa Clara Valley Transportation Authority) bus to reach the Santa Clara Caltrain Station, where commuter trains run north to the San Francisco Caltrain Station at 4th and King Streets. This rail journey typically lasts between 60 and 90 minutes. Alternatively, private shuttles and ride-hailing options offer a more direct but often more expensive route, with driving times to the city centre averaging about 60 minutes outside of peak commute hours.