Aosta to San Cataldo 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 S. Cataldo every about 12 hours on average. If travelling with Trenitalia, you need to know the Aosta to San Cataldo train schedule: the first train leaves at 15:26, while the last ride is at 15:26. A Aosta to San Cataldo train cost about 259.35 €. But how long is the train ride from Aosta to San Cataldo? Your journey takes about 23 hours on average.