Trieste to Alpignano 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 Trieste Centrale and arrive at Alpignano every about 1 hour on average. If travelling with Trenitalia, you need to know the Trieste to Alpignano train schedule: the first train leaves at 06:38, while the last ride is at 20:40. A Trieste to Alpignano train cost about 71.1 €. But how long is the train ride from Trieste to Alpignano? Your journey takes about 8 hours on average.