| Cheap Flights: Austin to/from Puerto Vallarta $180-$219 r/t [January] â American Airlines American Airlines has round-trip flights from Austin (AUS) to Puerto Vallarta (PVR) for $180-$219, NONSTOP. Flights in January. Very few weekends available. Origin/Destination reversible. Click for more details and booking links Cheap Flights: Austin to/from Puerto Vallarta $180-$219 r/t [January] â American Airlines . | 