Magenta 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 Magenta and arrive at Trieste Centrale every 60 minutes on average. If travelling with Trenitalia, you need to know the Magenta to Trieste train schedule: the first train leaves at 06:17, while the last ride is at 21:17. A Magenta to Trieste train cost about 52.8 €. But how long is the train ride from Magenta to Trieste? Your journey takes about 6 hours on average.