| Cheap Flights: Austin and San Antonio to domestic destinations under $200 r/t â Various Airlines This post contains a list of all flights departing from Austin and San Antonio (AUS/SAT) to any domestic destination if the price is less than $200. Dates and availability varies depending on destination. Click for more details and booking links Cheap Flights: Austin and San Antonio to domestic destinations under $200 r/t â Various Airlines . | 