| Cheap Flights: San Antonio to/from San Francisco $106 r/t [July-November] â American Airlines American Airlines has round-trip flights from San Antonio (SAT) to San Francisco (SFO) for $106 with a connection. Flights July to November. Departures on Tuesday, Wednesday, and Saturday. Extended Weekends available. Origin/Destination reversible. Carry-on bag is allowed for free. You can avoid paying for seat selection by accepting the randomly assigned seat at the gate. Want a notification sent straight to your phone when any new deals are found? Join our Telegram channel and never miss another deal. Patreon supporters receive a recap of all the airfare deals currently available from Austin and San Antonio everyday. We donât charge a subscription fee. Our deal notifications are available for FREE via Instagram, Facebook, Twitter, Telegram, our Webpage, and our E-mail list. If you are paying someone a subscription fee for this content, you are being ripped off. Read More Cheap Flights: San Antonio to/from San Francisco $106 r/t [July-November] â American Airlines . | 