| Cheap Flights: Austin to Aruba $218-$220 r/t [November-December] â JetBlue JetBlue has round-trip flights from Austin (AUS) to Aruba (AUA) for $218-$220 with a connection. Flights November to December. No Thursday departures. Extended weekends available. Click for more details and booking links Cheap Flights: Austin to Aruba $218-$220 r/t [November-December] â JetBlue . | 