American Airlines Booking Phone Number for San Francisco Airport- If you are planning to fly with American Airlines from San Francisco International Airport (SFO), the booking phone number is the most convenient way to handle your travel needs. From booking new flight tickets and confirming existing bookings to changing schedules, canceling trips or requesting refunds, everything can be handled quickly by calling the booking line. Passengers traveling through San Francisco Airport can also inquire about seat upgrades, premium class reservations, flight schedules and check-in options. For a seamless and stress-free experience, call the American Airlines booking phone number for San Francisco Airport today.