Sondrio 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 Sondrio and arrive at Udine every 60 minutes on average. If travelling with Trenitalia, you need to know the Sondrio to Udine train schedule: the first train leaves at 04:32, while the last ride is at 17:38. A Sondrio to Udine train cost about 51.65 €. But how long is the train ride from Sondrio to Udine? Your journey takes about 7 hours on average.