Seregno 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 Seregno and arrive at Trieste Centrale every 60 minutes on average. If travelling with Trenitalia, you need to know the Seregno to Trieste train schedule: the first train leaves at 06:58, while the last ride is at 19:30. A Seregno to Trieste train cost about 56.15 €. But how long is the train ride from Seregno to Trieste? Your journey takes about 5 hours on average.