
San Francisco International Airport
San Francisco International Airport sits about 21 kilometers south of downtown San Francisco, on the western shore of San Francisco Bay in San Mateo County, California. It serves as the principal international gateway for Northern California and the wider Bay Area. The airport opened in 1927 as Mills Field Municipal Airport and gradually expanded into one of the busiest hubs on the United States West Coast.
About San Francisco International Airport
San Francisco International Airport sits about 21 kilometers south of downtown San Francisco, on the western shore of San Francisco Bay in San Mateo County, California. It serves as the principal international gateway for Northern California and the wider Bay Area. The airport opened in 1927 as Mills Field Municipal Airport and gradually expanded into one of the busiest hubs on the United States West Coast.
The airport operates four interconnected terminals arranged in a horseshoe configuration: Terminals 1, 2, and 3 handle primarily domestic traffic, while the International Terminal accommodates long-haul arrivals and departures. Four runways are laid out in two intersecting pairs, a configuration sensitive to the region's frequent low marine stratus. SFO operates around the clock and has undergone successive renovations to modernize concourses and boarding areas.
Overview
San Francisco International Airport sits about 21 kilometers south of downtown San Francisco, on the western shore of San Francisco Bay in San Mateo County, California. It serves as the principal international gateway for Northern California and the wider Bay Area. The airport opened in 1927 as Mills Field Municipal Airport and gradually expanded into one of the busiest hubs on the United States West Coast.
Airlines
SFO is a major hub for United Airlines, which maintains an extensive domestic and transpacific network from the airport, and a focus city for Alaska Airlines. It is served by most large North American carriers and a wide range of European, East Asian, and Oceanian airlines, reflecting its role as a key transpacific gateway.
Airlines
Airlines flying from SFO
Routes
Top routes from SFO
Nearby airports
Other airports in United States
FAQ
San Francisco International Airport — frequently asked questions
Quick answers to the details travellers usually check first, from codes and locations to the practical basics that help with planning.
9 common questions
- San Francisco International Airport is located in San Francisco, United States (North America), at coordinates 37.620°, -122.390°.
- Its IATA code is SFO and its ICAO code is KSFO.
- San Francisco International Airport serves San Francisco, United States. When comparing fares, check whether other airports also serve the same area — prices and transfer times can differ between them.
- San Francisco International Airport operates on America/Los_Angeles local time. Departure and arrival times on tickets are always shown in each airport's local time, so double-check the offset when planning connections or pick-ups.
- San Francisco International Airport sits at latitude 37.620° and longitude -122.390°. The map link in the details panel on this page opens the exact location for driving directions.
- Carriers tracked on routes from SFO include American Airlines, Alaska Airlines, Delta Air Lines, United Airlines, Silk Avia, Virgin America and 12 more.
- Tracked destinations from SFO include Los Angeles, Seoul, London, Portland, Seattle and New York, spread across 3 countries.
- Its address is San Francisco, California, 94128, United States, the phone number is +1 650-821-8211, the official website is http://www.flysfo.com/. For flight-specific questions (delays, baggage, rebooking), contact the operating airline directly rather than the airport.
- Yes — Originfacts lists 9 other airports in United States. The nearby-airports section on this page links to each of them, which is useful when comparing fares or finding an alternative departure point.

















