Aosta to Niscemi 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 Niscemi every about 4 hours on average. If travelling with Trenitalia, you need to know the Aosta to Niscemi train schedule: the first train leaves at 15:26, while the last ride is at 19:26. A Aosta to Niscemi train cost about 202.0 €. But how long is the train ride from Aosta to Niscemi? Your journey takes about 1 hour on average.