Aosta to Trento 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 Trento every 60 minutes on average. If travelling with Trenitalia, you need to know the Aosta to Trento train schedule: the first train leaves at 05:16, while the last ride is at 16:38. A Aosta to Trento train cost about 60.3 €. But how long is the train ride from Aosta to Trento? Your journey takes about 7 hours on average.