San Francisco International Airport (SFO) Wi-Fi

Wi-Fi at San Francisco International Airport (SFO) is free across all terminals. Join “#SFO FREE WIFI”, then accept the terms on the sign-in page.

Yes. Free, unlimited Wi-Fi is available at San Francisco International Airport.

• Common SSIDs: #SFO FREE WIFI
• Sign-in: Select ‘#SFO FREE WIFI’, launch a browser, accept terms
• Provider: SFO (airport-operated)

Terminal specifics

• Harvey Milk Terminal 1
  Strong near gate seating
• Terminal 2
  Window counters with power
• Terminal 3
  Good around food courts
• International Terminal
  A & G gates; museum areas have plenty of seating

Power & places to work

How to connect at SFO

1. Join "#SFO FREE WIFI".
2. Open a browser; if the portal doesn’t appear, visit a non-HTTPS page to trigger it.
3. Complete any email/SMS step.
4. Start your VPN, then browse normally.

Interesting Facts about San Francisco International Airport Airport

• San Francisco International Airport is the largest airport in the Bay Area and the second-busiest in California after LAX.
• Handled about 52.3 million passengers in 2024.
• Comprises four passenger terminals: Harvey Milk Terminal 1, Terminal 2, Terminal 3, and the International Terminal (A & G gates).
• Has four runways; the longest, 10L/28R, is 11,870 feet (3,618 m).
• Located about 12 miles (19 km) southeast of Downtown San Francisco in San Mateo County.
• Direct BART rail service links the airport to Downtown San Francisco in roughly 30 minutes.
• Primary hub for United Airlines (its main transpacific gateway) and a hub for Alaska Airlines.
• Opened in 1927 as Mills Field Municipal Airport; “International” was added after World War II.

Sources

• SFO — Free Wi-Fi (SSID and how to connect)
• SFO — ‘Welcome to Wi-Fi’ page
• SFO — Wi-Fi pages by terminal (e.g. Intl)