| Nonstop Flights: Austin to San Francisco $118 r/t [January-March] â Alaska Airlines Alaska Airlines has round-trip flights from Austin (AUS) to San Francisco (SFO) for $118, NONSTOP. Flights January to March. Departures on Monday, Tuesday, Wednesday, Thursday, and Saturday. Extended weekends available. Click for more details and booking links Nonstop Flights: Austin to San Francisco $118 r/t [January-March] â Alaska Airlines . | 
