| Nonstop Flights: Austin to/from Fort Lauderdale $65 r/t [February-March] â JetBlue JetBlue has round-trip flights from Austin (AUS) to Fort Lauderdale (FLL) for $65, NONSTOP. Flights February to March. Very few weekends available. Origin/Destination reversible. Click for more details and booking links Nonstop Flights: Austin to/from Fort Lauderdale $65 r/t [February-March] â JetBlue . | 