Traveling Through SFO — San Francisco International Airport
San Francisco International Airport serves 4 terminals, 8 airlines. Everything you need to know before you fly — terminals, transit, tips, and more.
📋 Key Facts for Your Trip
Essential info before you fly through SFO
✈️ Airlines at SFO
Terminal assignments — always confirm with your airline before travel
| Airline | Terminal(s) |
|---|---|
| United Airlines | Terminal 3 |
| Delta Air Lines | Terminal 1 |
| American Airlines | Terminal 2 |
| Alaska Airlines | Terminal 2 |
| Southwest Airlines | Terminal 1 |
| Singapore Airlines | International Terminal |
| Cathay Pacific | International Terminal |
| British Airways | International Terminal |
🚗 Getting To & From SFO
Ground transportation options for San Francisco
Rail / Train
BART: 30 min to downtown San Francisco, $10.65. Runs until midnight.
Bus / Shuttle
SamTrans buses to various Bay Area destinations
Rideshare
Uber/Lyft at designated pickup areas
Taxi
Available at all terminals; metered fare to downtown ~$45-55
Parking
$25/day (long-term lots) · $50/day (garage)
Rental Cars
Rental Car Center accessible via AirTrain
🍽️ Inside SFO
Food, lounges, and shopping at San Francisco International Airport
Food & Dining
Before security: Limited options pre-security · After security: Good selection; International Terminal has the best dining
Lounges
United Polaris Lounge (Terminal 3)United Club (Terminal 3)American Airlines Admirals Club (Terminal 2)Alaska Airlines Board Room (Terminal 2)
Shopping
California-themed retail, tech gadgets, duty-free in international terminal
💡 Frequent Traveler Tips for SFO
Insider knowledge to make your time at San Francisco International Airport smoother
- 1 BART is the most reliable and cheapest way to/from SFO
- 2 The International Terminal is connected to domestic terminals via AirTrain
- 3 SFO has an excellent aviation museum and art installations throughout
- 4 Fog can cause significant delays — check your flight status before heading to the airport
- 5 Terminal 2 is the most modern and comfortable domestic terminal
Track Your Flight from SFO — Automatically
TripTrack shows your terminal, gate, and real-time delay status the moment you book. Connect your Gmail once and your trips appear automatically — no manual entry.
Frequently Asked Questions — SFO
How many terminals does SFO (San Francisco International Airport) have?
San Francisco International Airport has 4 terminals: Terminal 1, Terminal 2, Terminal 3, International Terminal (A, G). Always confirm your terminal with your airline before travel, as assignments can change.
Does SFO have free WiFi?
Free Wi-Fi throughout all terminals. For real-time connectivity updates and to stay on top of gate changes, download TripTrack — it tracks your flight automatically.
How early should I arrive at SFO?
For domestic flights, check-in closes 45 minutes before departure. For international flights, check-in closes 3 hours before departure. As a general rule, arrive at least 2 hours before domestic flights and 3 hours before international flights to allow time for check-in, security, and reaching your gate.
What airlines fly from SFO?
San Francisco International Airport is served by 8 airlines, including United Airlines, Delta Air Lines, American Airlines, Alaska Airlines, Southwest Airlines and 3 more. See the full airline and terminal list above.
How do I get from SFO to San Francisco?
Ground transportation options from San Francisco International Airport include rail/train (BART: 30 min to downtown San Francisco, $10.65. Runs until midnight.), bus/shuttle service, rideshare apps, taxi. See the Getting To & From section above for details.
Is there parking at SFO?
Yes, San Francisco International Airport offers parking options. $25/day (long-term lots) $50/day (garage) Rates and availability change — check the airport website for current pricing.
How can I track my flight from SFO in real time?
TripTrack automatically tracks your flights from San Francisco International Airport — showing real-time gate changes, delays, and terminal info. Connect your Gmail once and your trips appear automatically. Available free on iOS and Android.