If you are wondering what terminal is Alaska at SFO, the airline primarily operates out of Terminal 2 at San Francisco International Airport. This modern terminal is designed to provide a smooth travel experience for both arrivals and departures, offering a wide range of dining, shopping, and comfortable seating options for passengers. Alaska Airlines has streamlined its operations at SFO to make check-in, baggage claim, and boarding more convenient, with direct access to security lanes that help save time before your flight.