| Nonstop Flights: Austin to/from Puerto Vallarta $255-$269 r/t [November-February] (Christmas available) â American Airlines American Airlines has round-trip flights from Austin (AUS) to Puerto Vallarta (PVR) for $255-$269, NONSTOP. Flights November to February. Weekends available. Origin/Destination reversible. Click for more details and booking links Nonstop Flights: Austin to/from Puerto Vallarta $255-$269 r/t [November-February] (Christmas available) â American Airlines . | 