| Nonstop Flights: Austin to Fort Lauderdale $61-$70 r/t [November-December] (No Holidays) â JetBlue [10/27/2021 @ 02:03 PM CT] Still available. JetBlue has round-trip flights from Austin (AUS) to Fort Lauderdale (FLL) for $61-$70, NONSTOP. Flights November to December. Weekends available. Click for more details and booking links Nonstop Flights: Austin to Fort Lauderdale $61-$70 r/t [November-December] (No Holidays) â JetBlue . | 