San Francisco International Airport (SFO) is not just one of the busiest airports; it’s like its own small city. Every year, millions of travelers pass through its gates. With four different terminals, navigating the airport can feel like solving a big puzzle. But don’t worry, this guide is here to help you understand the San Francisco Airport Terminals, so you can travel smoothly.

This guide will walk you through each terminal at San Francisco Airport (SFO). You’ll learn where each airline is located, what amenities are available, and how to make your way around without any hassle.

San Francisco Airport (SFO) Has 4 Main Terminals:

TerminalFlights/Key Airlines
Terminal 1Domestic Flights: American Airlines, JetBlue, Southwest
Terminal 2Alaska Airlines, Air Canada, Delta
Terminal 3United Airlines (hub)
International Terminal (A, G)International Airlines: Air India, Emirates, Air China, Japan Airlines

Terminal 1 – Harvey Milk Terminal

Terminal 1, also known as the Harvey Milk Terminal, mostly handles domestic flights. It’s modern and full of convenient services for travelers.

  • American Airlines at Terminal 1: If you’re flying domestically with American Airlines, Terminal 1 is your go-to spot. You’ll find easy check-ins, quick security, and friendly staff.
  • JetBlue at Terminal 1: JetBlue also operates from Terminal 1. The airline is known for making the journey easy with fast check-ins and cozy waiting areas.
  • Southwest Airlines at Terminal 1: For affordable flights around the U.S., Southwest Airlines calls Terminal 1 home. Security and boarding processes here are quick and efficient.

Terminal 1 Amenities

  • Parking: Convenient parking is available right outside the terminal.
  • Restaurants: You’ll find various dining options, from fast food to sit-down restaurants.
  • Lounges: Need to relax? There are lounges with comfy seating, snacks, and Wi-Fi.

Terminal 2 – Alaska, Air Canada, and Delta

Terminal 2 at San Francisco Airport is home to several big airlines like Alaska Airlines, Air Canada, and Delta. It’s modern and traveler-friendly.

  • Air Canada at Terminal 2: Flying with Air Canada? Terminal 2 offers smooth check-in services and comfortable seating areas to relax before your flight.
  • Alaska Airlines at Terminal 2: If you’re traveling with Alaska Airlines, you’ll enjoy fast check-ins and cozy lounges to wait in before you board.
  • Delta Airlines at Terminal 2: Delta operates from Terminal 2 as well. This terminal makes it easy for passengers to check in, drop off their bags, and grab a bite to eat before their flight.

Terminal 2 Amenities

  • Parking: Terminal 2 has parking close by, making it easy to leave your car while you travel.
  • Restaurants: Whether you’re in the mood for a snack or a full meal, Terminal 2 offers various dining options.
  • Lounges: You can unwind in comfortable lounges that provide complimentary snacks, drinks, and Wi-Fi.

Terminal 3 – United Airlines

Terminal 3 is the main hub for United Airlines at SFO. It’s one of the busiest terminals in the airport.

  • United Airlines at Terminal 3: If you’re flying with United, you’ll check in here. The terminal offers fast security checks, comfortable waiting areas, and a variety of dining and shopping options.

Terminal 3 Amenities

  • Parking: Terminal 3 has parking located conveniently close to the terminal for easy access.
  • Restaurants: From local favorites to international cuisine, Terminal 3 has plenty of dining options for travelers.

International Terminal (A and G)

The International Terminal at San Francisco Airport is split into sections A and G. Both areas handle international flights.

  • Terminal A Airlines: You’ll find airlines like Alaska Airlines, Delta, and JetBlue flying out of Terminal A for both domestic and international flights.
  • Terminal G Airlines: If you’re flying internationally, this is where you’ll find airlines such as Air India, Emirates, Air China, and Japan Airlines. This terminal also has customs and immigration services for arriving international passengers.

International Terminal Amenities

  • Transportation: The AirTrain connects the International Terminal to the rest of the airport, parking areas, and transportation services.
  • International Arrivals: Terminal G features immigration and customs services to help process international arrivals efficiently.

Frequently Asked Questions (FAQs)

San Francisco Airport (SFO) has four main terminals.

Lufthansa operates from Terminal I at San Francisco International Airport.

Terminal 1 is the primary domestic terminal at San Francisco International Airport.

Departure terminals at San Francisco Airport depend on the airline. Domestic flights often depart from Terminals 1, 2, or 3, while international flights depart from the International Terminal.

Frontier Airlines is located in Terminal 1 at San Francisco Airport.

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