Monreale 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 Palazzo Reale-Orleans and arrive at Trieste Centrale every 60 minutes on average. If travelling with Trenitalia, you need to know the Monreale to Trieste train schedule: the first train leaves at 09:18, while the last ride is at 22:49. A Monreale to Trieste train cost about 116.25 €. But how long is the train ride from Monreale to Trieste? Your journey takes about 16 hours on average.