Prato to Alba 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 Alba every about 2 hours on average. If travelling with Trenitalia, you need to know the Prato to Alba train schedule: the first train leaves at 07:44, while the last ride is at 15:23. A Prato to Alba train cost about 47.8 €. But how long is the train ride from Prato to Alba? Your journey takes about 7 hours on average.