Aosta to Treviglio 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 Treviglio every 60 minutes on average. If travelling with Trenitalia, you need to know the Aosta to Treviglio train schedule: the first train leaves at 05:16, while the last ride is at 20:26. A Aosta to Treviglio train cost about 17.75 €. But how long is the train ride from Aosta to Treviglio? Your journey takes about 5 hours on average.