Ariano Irpino to Monza 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 Ariano Irpino and arrive at Monza every about 2 hours on average. If travelling with Trenitalia, you need to know the Ariano Irpino to Monza train schedule: the first train leaves at 06:30, while the last ride is at 20:30. A Ariano Irpino to Monza train cost about 59.2 €. But how long is the train ride from Ariano Irpino to Monza? Your journey takes about 10 hours on average.