Aosta to Castelvetrano 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 Aosta and arrive at Castelvetrano every about 6 hours on average. If travelling with Trenitalia, you need to know the Aosta to Castelvetrano train schedule: the first train leaves at 15:26, while the last ride is at 19:26. A Aosta to Castelvetrano train cost about 163.0 €. But how long is the train ride from Aosta to Castelvetrano? Your journey takes about 12 hours on average.