| Cheap Flights: Austin or San Antonio to/from Fairbanks, Alaska $260 r/t [May-August] â Delta / Alaska Airlines / American Airlines Delta, Alaska Airlines, and American Airlines have round-trip flights from Austin or San Antonio (AUS/SAT) to Fairbanks (FAI) for $260 with a connection. Flights May to August. Weekends available. Origin/Destination reversible. Click for more details and booking links Cheap Flights: Austin or San Antonio to/from Fairbanks, Alaska $260 r/t [May-August] â Delta / Alaska Airlines / American Airlines . | 