Turkish Airlines provides service to more than 300 locations worldwide from its base at San Francisco International Airport (SFO) Turkish Airlines SFO Terminal which is known as Terminal A. Modern conveniences may be found at the terminal, including Turkish Airlines’ own lounge for qualified travelers. The airport offers plenty of food options, duty-free shopping, and conveniently placed check-in counters. Turkish Airlines makes sure that all flights to SFO are smooth and comfortable, whether they are for business or pleasure.