Your Full Guide to San Francisco International Airport (SFO)

San Francisco International Airport (SFO) is more than just a travel hub. It’s the main gateway to the Bay Area, a connector between continents, and, for many, the first impression of California. With over 57 million passengers passing through annually (pre-pandemic), SFO is one of the busiest airports in the United States.

San Francisco International Airport

Whether you're arriving, departing, or in transit, this comprehensive SFO airport guide is designed to help you navigate the airport like a local — stress-free, informed, and on time.

Overview of San Francisco International Airport (SFO): What Makes It Unique

Located about 13 miles south of downtown San Francisco, SFO is the second busiest airport in California and among the top ten in the United States. It serves as a hub for United Airlines and Alaska Airlines and offers direct flights to major destinations across Asia, Europe, North America, and Oceania.

One of the unique aspects of SFO is its emphasis on passenger comfort and sustainability. From LEED-certified terminals and locally-sourced food options to free yoga rooms and curated art exhibits, the airport blends functionality with a taste of San Francisco's cultural flair. SFO is also well known for its efforts to minimize its carbon footprint, and it continues to lead in green building practices and waste management.

SFO Terminal Guide: What to Expect in Each One

Terminal 1 – Harvey Milk Terminal

Recently revamped and renamed in honor of LGBTQ+ rights activist Harvey Milk, Terminal 1 is a model of sustainable airport design. It features expansive walking areas, wide windows for natural light, and modern amenities designed with the traveler in mind.

• Airlines: Southwest Airlines, Frontier Airlines, JetBlue Airways

• Best Features: Touchless check-in kiosks, family restrooms, a children’s play area, and local art displays. The new gates are equipped with upgraded seating that includes personal charging ports and more personal space.

• Dining and Shopping: You’ll find local vendors like Amy’s Drive Thru, Shake Shack, and Klein’s Deli.

• Access: Ideal for domestic flights. If you're flying with a budget airline or heading to another West Coast city, you'll likely pass through here.

Terminal 2

Terminal 2 offers a calm, well-lit atmosphere with a high ceiling design and ample room to relax. It’s widely appreciated for its comfort, cleanliness, and wide array of food options.

• Airlines: Alaska Airlines, American Airlines

• Best Features: Dedicated nursing rooms, hydration stations, ample charging stations, and a post-security children’s play area. Terminal 2 also boasts a quiet yoga room open to all travelers.

• Dining and Shopping: Try Napa Farms Market for healthy meals or Lark Creek Grill for something hearty. Local coffee roasters and organic options are abundant.

• Access: Primarily used for domestic flights. The terminal is compact, making it easy to navigate quickly even with minimal layover time.

Terminal 3

Terminal 3 is the main terminal for United Airlines’ domestic operations. It is the busiest terminal at SFO but offers a host of modern amenities, particularly in its recently renovated Boarding Area E.

• Airlines: United Airlines (Domestic)

• Best Features: High-speed Wi-Fi, an extensive number of outlets and charging ports, lounges, and a dedicated United Polaris Lounge for eligible travelers. Terminal 3 also houses art exhibits and wellness zones.

• Dining and Shopping: Featuring everything from Boudin Bakery to Roasting Plant Coffee, Terminal 3 covers everything from fast bites to local favorites.

• Access: Ideal for travelers flying across the U.S., particularly those on United. The terminal has AirTrain access for easy transfers.

International Terminal

The International Terminal is where all long-haul international flights are processed. It’s the largest terminal at SFO and features customs and immigration facilities, large airline lounges, and extensive retail and dining options.

• Airlines: British Airways, Lufthansa, ANA, Air France, Singapore Airlines, Emirates, and others

• Best Features: Customs and Border Protection pre-clearance, multilingual signage, duty-free shops, and a wide range of lounges including the Centurion Lounge, British Airways Lounge, and United Polaris Lounge.

• Dining and Shopping: Browse high-end retailers or dine at local favorites such as Andale Mexican Kitchen and Boudin Bakery.

• Access: A must for all international flights. Also hosts BART access, the AirTrain, and is connected to rental car shuttles.

Transportation to and from SFO

1. BART (Bay Area Rapid Transit)

The BART station is located in the International Terminal. It's one of the fastest and most affordable ways to reach downtown San Francisco, Oakland, and other Bay Area locations.

• Time to Downtown SF: Approximately 30 minutes

• Cost: Around $10 one-way, depending on destination

• Accessibility: Elevators and escalators are available for those with mobility needs. Trains run frequently, though schedules may vary on weekends.

• Pro Tip: Purchase a Clipper Card for easy access to BART and Muni systems during your stay.

2. Rideshare Services

Uber, Lyft, and Wingz operate at SFO with clearly marked pickup areas outside each terminal. The airport provides designated areas for each service.

• Cost: Varies by time of day and destination, but typically ranges from $25-$50 to downtown SF

• Pickup Locations: Follow the signs to the designated Rideshare Pickup Zones in your terminal

• Pro Tip: Using the "economy lot" or off-peak pickup options can save money. Surge pricing is common during rush hours.

3. Limousine and Black Car Services

For travelers seeking more comfort and privacy, limousine and executive car services are readily available. Many business travelers and tourists heading to Napa Valley or Silicon Valley use black car services for reliability.

• Booking: Must be arranged in advance or at designated kiosks inside the terminals

• Cost: Starts at $75 and can exceed $200 depending on vehicle type and destination

• Best For: Corporate travel, group travel, special events, or high-end service needs

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4. Airport Shuttles

Shared-ride vans are a budget-friendly option and can drop you directly at hotels or residences.

• Companies: SuperShuttle, GO Lorries, and local van services

• Cost: Typically between $20 and $40 per person depending on distance and service

• Wait Time: May be longer due to multiple stops but ideal for budget-conscious travelers

5. Rental Cars

SFO’s Rental Car Center is connected via the AirTrain Blue Line and houses all major rental agencies including Hertz, Avis, Budget, Enterprise, and National.

• Best For: Road trips, extended stays, or visiting areas like Napa, Lake Tahoe, or Yosemite

• Tip: Book in advance to secure the best rates and ensure vehicle availability

• Access: Easily reached from any terminal using the AirTrain system

Inside the Airport: Food, Facilities, and Features

Dining at SFO

Each terminal at SFO offers a mix of local restaurants, quick bites, and healthier choices.

• Napa Farms Market: Located in Terminal 2, this is a favorite for fresh salads, sandwiches, and artisan products from Napa Valley.

• Bun Mee: A Vietnamese street food option available in Terminal 1 that features banh mi sandwiches and rice bowls.

• The Plant Cafe Organic: Known for its organic options and locally sourced ingredients, it’s a solid pick in Terminals 2 and 3.

• Andale Mexican Kitchen: Found in the International Terminal, this spot serves authentic burritos, tacos, and margaritas.

Lounges

For those with airline status, business class tickets, or lounge memberships, SFO provides several premium lounges.

• Centurion Lounge (AmEx): Located in Terminal 3, features spa services, gourmet meals, and private work areas.

• United Polaris Lounge: High-end services for international business class travelers including private dining, showers, and quiet rooms.

• Airline Lounges: British Airways, Emirates, and others offer lounges in the International Terminal.

• Tip: Day passes are available for many lounges if you want a quiet space for a layover.

Free Wi-Fi and Charging Stations

SFO offers free Wi-Fi across all terminals with high-speed internet for browsing, streaming, and working.

• SSID: “#SFO FREE WIFI”

• Charging Stations: Located throughout seating areas and gate lounges, with USB and plug options

• Coworking Areas: Terminals 2 and 3 have designated workspaces with desks and outlets

Yoga Rooms and Quiet Spaces

SFO provides some of the best wellness facilities of any U.S. airport.

• Yoga Rooms: Available in Terminals 2 and 3, free for public use, equipped with mats and soothing music

• Quiet Zones: Located in boarding areas and lounges, ideal for reading or napping

• Nursing Rooms: Private and comfortable spaces for nursing mothers in all terminals

Tips for First-Time Travelers at SFO

• Arrive Early: Plan to arrive 2 hours before domestic flights and 3 hours for international

• Use the AirTrain: The free people mover connects all terminals, parking garages, and the Rental Car Center

• Download the App: The SFO mobile app provides flight updates, gate info, and maps

• Pack Smart: TSA screening can take longer at peak times. Use TSA PreCheck or CLEAR for faster processing

• Travel with Reusables: SFO has banned the sale of plastic water bottles. Bring your own reusable bottle and fill up at hydration stations

Hotels Near SFO

If you’re arriving late or departing early, there are several convenient hotel options:

• Grand Hyatt at SFO: Connected to the airport via AirTrain, this luxury hotel is ideal for business travelers and has soundproof rooms

• Aloft San Francisco Airport: A modern, budget-friendly option with free shuttle service and a vibrant lobby bar

• Hilton San Francisco Airport Bayfront: Slightly farther out but offers spacious rooms and shuttle service

• Tip: Book directly through the hotel’s website for the best cancellation and loyalty program options

SFO and Sustainability

SFO is a leader in environmental initiatives among U.S. airports:

• Zero Waste Goal: The airport is aiming for zero waste by 2030

• Green Building Standards: Terminal 1 is LEED v4 Platinum certified

• Plastic-Free: Ban on single-use plastic water bottles; refill stations are everywhere

• Eco-Conscious Vendors: Many restaurants use compostable packaging and source local ingredients

San Francisco International Airport is one of the most user-friendly and forward-thinking airports in the world. Whether you're flying across the country or around the globe, SFO offers a smooth, comfortable, and surprisingly enjoyable travel experience. From public transit connections and local food to premium lounges and quiet spaces, there’s something here for every kind of traveler.

Use this guide to plan ahead and travel smart. Welcome to San Francisco — or bon voyage.

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