Aosta to Syracuse 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 Siracusa every about 6 hours on average. If travelling with Trenitalia, you need to know the Aosta to Syracuse train schedule: the first train leaves at 15:26, while the last ride is at 16:38. A Aosta to Syracuse train cost about 76.2 €. But how long is the train ride from Aosta to Syracuse? Your journey takes about 21 hours on average.