| Cheap Flights: Austin or San Antonio to Croatia $444-$490 r/t [September-October] (SPU requires 2-connections) â Delta / Air France / KLM Delta, Air France, and KLM have round-trip flights from Austin (AUS) to Dubrovnik or Split (DBV, SPU) for $444-$490. Flights in September. Departures on Tuesday, Friday, and Saturday. Extended weekends available. Note: Flying into Split will require 2-connections. Carry-on bag is allowed for free. 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 or San Antonio to Croatia $444-$490 r/t [September-October] (SPU requires 2-connections) â Delta / Air France / KLM . | 
