Prato to Siderno 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 Siderno every about 3 hours on average. If travelling with Trenitalia, you need to know the Prato to Siderno train schedule: the first train leaves at 11:55, while the last ride is at 20:55. A Prato to Siderno train cost about 71.6 €. But how long is the train ride from Prato to Siderno? Your journey takes about 13 hours on average.