Alcamo 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 Alcamo Diramazione and arrive at Trieste Centrale every about 2 hours on average. If travelling with Trenitalia, you need to know the Alcamo to Trieste train schedule: the first train leaves at 07:39, while the last ride is at 17:50. A Alcamo to Trieste train cost about 134.0 €. But how long is the train ride from Alcamo to Trieste? Your journey takes about 6 hours on average.