Trento 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 Trento and arrive at Trieste Centrale every 60 minutes on average. If travelling with Trenitalia, you need to know the Trento to Trieste train schedule: the first train leaves at 07:10, while the last ride is at 19:10. A Trento to Trieste train cost about 21.8 €. But how long is the train ride from Trento to Trieste? Your journey takes about 5 hours on average. Thanks to Trenitalia, offers, you can save on your trip from Trento to Trieste and find low cost tickets starting from 26 €!