Monza 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 Monza and arrive at Trieste Centrale every 60 minutes on average. If travelling with Trenitalia, you need to know the Monza to Trieste train schedule: the first train leaves at 06:23, while the last ride is at 19:39. A Monza to Trieste train cost about 54.75 €. But how long is the train ride from Monza to Trieste? Your journey takes about 5 hours on average. Thanks to Trenitalia, offers, you can save on your trip from Monza to Trieste and find low cost tickets starting from 35 €!