Frascati 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 Tor Vergata and arrive at Trieste Centrale every 60 minutes on average. If travelling with Trenitalia, you need to know the Frascati to Trieste train schedule: the first train leaves at 08:12, while the last ride is at 22:15. A Frascati to Trieste train cost about 60.0 €. But how long is the train ride from Frascati to Trieste? Your journey takes about 8 hours on average.