Ariano Irpino to Prato 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 Prato Porta al Serraglio every about 12 hours on average. If travelling with Trenitalia, you need to know the Ariano Irpino to Prato train schedule: the first train leaves at 12:01, while the last ride is at 12:01. A Ariano Irpino to Prato train cost about 123.5 €. But how long is the train ride from Ariano Irpino to Prato? Your journey takes about 8 hours on average.