| Cheap Flights: Austin to/from Providenciales, Turks & Caicos Islands $355-$366 r/t [June-March] â American Airlines / United American Airlines and United have round-trip flights from Austin (AUS) to Providenciales (PLS) for $355-$366 with a connection. Flights June to March. Weekends available. Origin/Destination reversible. A Carry-on bag and also a personal item is allowed for free on American. United has bag fees. You can avoid paying for seat selection by accepting the randomly assigned seat at the gate. Click for more details and booking links Cheap Flights: Austin to/from Providenciales, Turks & Caicos Islands $355-$366 r/t [June-March] â American Airlines / United . | 