Casal di Principe to Trieste 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. You can count on 8 daily rides to get from Casal di Principe to Trieste. Trains leave from Albanova,Napoli Centrale and arrive at Trieste Centrale,Udine every about 2 hours on average. The trip by train from Casal di Principe to Trieste last on average 07:00 travelling with high-speed trains (Frecciarossa or Italotreno) If travelling with Trenitalia, you need to know the Casal di Principe to Trieste train schedule: the first train leaves at 06:52, while the last ride is at 19:15. A Casal di Principe to Trieste train cost about 77.8 €. But how long is the train ride from Casal di Principe to Trieste? Your journey takes about 10 hours on average.