Avellino to Trieste 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 Avellino and arrive at Trieste Centrale every about 2 hours on average. If travelling with Trenitalia, you need to know the Avellino to Trieste train schedule: the first train leaves at 06:49, while the last ride is at 09:02. A Avellino to Trieste train cost about 116.9 €. But how long is the train ride from Avellino to Trieste? Your journey takes about 11 hours on average.