Prato to Udine 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 Prato Porta al Serraglio and arrive at Udine every 60 minutes on average. If travelling with Trenitalia, you need to know the Prato to Udine train schedule: the first train leaves at 06:07, while the last ride is at 19:39. A Prato to Udine train cost about 28.8 €. But how long is the train ride from Prato to Udine? Your journey takes about 5 hours on average.