| Cheap Flights: Austin to Providenciales, Turks & Caicos Islands $332-$353 r/t [September-October] (Long outbound connection) â JetBlue JetBlue has round-trip flights from Austin (AUS) to Providenciales (PLS) for $332-$353 with a connection. Flights September to October. Very few weekends available. This fare has a long 4-hour 40-minute outbound connection. Usually we donât feature deals that require that much airport time, but weâre making an exception for this one because the last time Turks & Caicos went on sale with good routing was December 16, 2018. Click for more details and booking links Cheap Flights: Austin to Providenciales, Turks & Caicos Islands $332-$353 r/t [September-October] (Long outbound connection) â JetBlue . | 