| Nonstop Flights: Austin to/from Fort Lauderdale $57 r/t [January-February] â JetBlue JetBlue has round-trip flights from Austin (AUS) to Fort Lauderdale (FLL) for $57, NONSTOP. Flights January to February. Weekends available. Origin/Destination reversible. Click for more details and booking links Nonstop Flights: Austin to/from Fort Lauderdale $57 r/t [January-February] â JetBlue . | 