Prato 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 Prato Porta al Serraglio and arrive at Castelvetrano every about 4 hours on average. If travelling with Trenitalia, you need to know the Prato to Sciacca train schedule: the first train leaves at 18:55, while the last ride is at 20:34. A Prato to Sciacca train cost about 82.65 €. But how long is the train ride from Prato to Sciacca? Your journey takes about 13 hours on average.