San Francisco Airport

San Francisco Airport SFO

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Airport Overview

San Francisco Airport, often referred to by its IATA airport code SFO, is an international airport near San Bruno and Millbrae in unincorporated San Mateo County.

The airport is owned and operated by the City and County of San Francisco. It is 13 miles (21 km) south of downtown San Francisco, California, and serves Northern California's greater San Francisco Bay Area and is the largest of the three area airports.

Airport Stats & Facts

  • SFO is the second busiest airport in California.
  • The International Terminal is the largest in North America, and also the largest building in the world built on base isolators to protect against earthquakes.
  • In 2019, it was the 7th-busiest airport in the United States and the 24th-busiest in the world, by passenger count.
  • In 2019, the airport served more than 57 million passengers.
  • SFO was voted The Best International Airport in North America in the World Airport Survey by Skytrax.

Maps, Airlines & Amenities

View maps, find airlines, discover food, shopping & more
San Francisco Airport Overview Map
San Francisco Airport Overview Map

San Francisco Airport (SFO) Terminals

Airline Information
SFO - San Francisco, CA - San Francisco Airport
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Airport Restaurants, Stores & Amenities

Airport Traveling Tips

  • The Airport is busy during the morning hours between 7:00 am - 8:00 am and in the afternoon between 3:00 pm - 4:00 pm.
  • Arrive 2 hours before a domestic flight departure and 3 hours before an international flight departure to account for TSA security wait times and any possible delays.

Flight Status

Airport Terminals

The Airport has 4 terminals - 1, 2, 3, and International and 7 concourses (Boarding Areas A-G) with a total of 115 gates arranged alphabetically in a counterclockwise ring. To see the terminal locations and for additional information please refer to the San Francisco airport map.

Harvey Milk Terminal 1

It was formerly known as the “South Terminal.” This terminal is composed of:

Boarding Area B - 9 Gates (B6-B9, B12-B14, B17, and B18)

Boarding Area C - 10 Gates (C2-C11)

Terminal 2

It was formerly known as the “Central Terminal.” This terminal has only 1 concourse:

Boarding Area D - 17 Gates (D1-D12 and D14-D18)

Terminal 3

It was formerly known as the “North Terminal.” This terminal is composed of:

Boarding Area E - 13 Gates (E1-E13)

Boarding Area F - 23 Gates (F1-F3, 3A, and F4-F22)

International Terminal

The International Terminal is composed of 2 Boarding Areas:

Boarding Area A - 15 Gates (A1-A15)

Boarding Area G - 14 Gates (G1-G14)

Airlines Served

San Francisco Airport serves as a hub for United and Alaska Airlines. It also serves various other airlines including American Airlines, Delta Air Lines, Southwest Airlines, Frontier Airlines, Singapore Airlines, and more. View the full list of airlines served at SFO Airport.

Airport Parking

Short-Term and Long-Term

Parking at SFO Airport is available at the terminals. From hourly and daily to long-term parking, there are several options at the Airport.

Short-Term Rates - $2 per 15 minutes and $36 max per 24 hours

Long-Term Rates - $2 per 15 minutes and $18 max per 2 hours

Off-site Parking

Many parking lots offer affordable off-site parking near SFO Airport. Most of the off-site parking lots allow 24/7 access.

Ground Transportation

After arriving at the airport, passengers have several options for ground transport to their next destination. Some of the transportation options include airport shuttles, car rentals, and buses. In addition, many passengers also utilize ride services like Uber, Lyft, and taxis.

Airport Car Rental

Car Rentals are available at the airport rental car center, featuring multiple car rental agencies onsite at the airport. Hertz, Enterprise, National, and other well-known car rental providers offer airport travelers a large variety of vehicles to choose from.

Airport Shuttles

Airport Shuttle Services are a great way to travel from San Francisco Airport. With the availability of various shuttle services, you can get a ride to almost any nearby location.

Buses & Trains

Public transportation is available from the airport to all major areas nearby. SamTrans Public Buses offer 24-hour service between SFO and San Mateo County, as well as parts of San Francisco. BART Rapid Rail serves directly northern San Mateo County, San Francisco, and the East Bay.

Amenities & Services 

To help you enjoy your stay, San Francisco Airport provides visitors with many different amenities and services including:

  • Restaurants, cafes, and bars.
  • Stores, gift shops, and local souvenir shops.
  • Shoeshine stations and massage bars.
  • Multiple art installations and exhibits on display.
  • Free Wi-Fi internet throughout the entire airport.
  • Currency exchange.

Passenger Pickup and Drop-off

  • A Pickup level is on the 5th floor, allowing drivers and travelers an easy way to avoid congestion.
  • The top floor of the Domestic Parking Garage has a drop-off lane adjacent to the connecting walkways to each terminal.

Contact Information

Address: San Francisco Intl Airport, San Francisco, CA 94128, USA



Phone: (650) 821 8211 or 800 435 9736

Have you lost an item at the airport? Lost & Found.

San Francisco Airport: A Brief History Timeline

  • On 15 March, 1927, the City and County of San Francisco first leased 150 acres (61 ha) at the airport site.
  • On May 7, 1927, San Francisco held a dedication ceremony at the airfield and officially named the Mills Field Municipal Airport of San Francisco.
  • In 1931, the airport’s name was officially changed to San Francisco Airport and “International” was added at the end of World War ll, as overseas services rapidly expanded.
  • In 1937, a new passenger terminal was opened.
  • On August 27, 1954, SFO’s new Terminal Building was opened.
  • In 1985, the building was heavily rebuilt as the International Terminal and then modified again as the current Terminal 2.
  • In 1989, a master plan and Environmental Impact Report were prepared to guide development over the next two decades.
  • In 2000, December, a $2.4 billion International Terminal Complex was opened.
  • On June 22, 2003, a long-planned extension of the Bay Area Rapid Transit (BART) system was opened.
  • In 2018, September, SFO announced plans to use sustainable fuels after signing an agreement with fuel suppliers, airlines, and agencies.
  • A projected rebuild of Terminal 1 (South Terminal) is scheduled to be completed by 2024.

San Francisco Airport Q&A

Yes. While the official name is San Francisco International Airport, it is also known as SFO.

San Francisco Airport is a major hub for United Airlines and a secondary hub for Alaska Airlines.

The airport is 13 miles (21 km) south of downtown San Francisco, California.

Given the size of the airport, parking is very close if you are willing to pay. Check out SFO parking rates to see what options are available for your travel dates. 

Passengers are permitted to sleep in the airport. It remains open 24 hours a day and visitors can stay inside overnight. We also recommend these awesome SFO layover ideas.

Being one of the busiest airports, you can fly to many cities from San Francisco Airport. Check out our direct flights page to see where you can fly from the airport.