Trieste to Sciacca trains might be a good value for money solution: travelling in Italy by train is often rather cheap and faster than taking a bus indeed Trains leave from Trieste Centrale, Salerno and arrive at Castelvetrano every about 2 hours on average. If travelling with Trenitalia, you need to know the Trieste to Sciacca train schedule: the first train leaves at 15:15, while the last ride is at 22:32. A Trieste to Sciacca train cost about 75.25 €. But how long is the train ride from Trieste to Sciacca? Your journey takes about 10 hours on average.