Asti 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 Asti and arrive at Siderno every about 2 hours on average. If travelling with Trenitalia, you need to know the Asti to Siderno train schedule: the first train leaves at 04:32, while the last ride is at 22:36. A Asti to Siderno train cost about 124.95 €. But how long is the train ride from Asti to Siderno? Your journey takes about 16 hours on average.