Fiumicino to Siderno 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 Fiumicino Aeroporto and arrive at Siderno every about 3 hours on average. If travelling with Trenitalia, you need to know the Fiumicino to Siderno train schedule: the first train leaves at 22:12, while the last ride is at 22:12. A Fiumicino to Siderno train cost about 65.6 €. But how long is the train ride from Fiumicino to Siderno? Your journey takes about 10 hours on average.