Gaeta 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 Trains leave from Formia-Gaeta, Napoli Centrale, Roma Tiburtina and arrive at Trieste Centrale, Udine, Venezia S. Lucia every 30 minutes on average. If travelling with ItaloTreno, you need to know the Gaeta to Trieste train schedule: the first train leaves at 18:55, while the last ride is at 18:55. A Gaeta to Trieste train cost about 69.0 €. But how long is the train ride from Gaeta to Trieste? Your journey takes about 4 hours on average. ItaloTreno offers 1 direct trains between these two cities. There are also Trenitalia trains from Gaeta to Trieste; you can compare ItaloTreno and Trenitalia with Wanderio, so that you find the best fare in a quick and simple way. A Gaeta to Trieste train ticket with Trenitalia costs 19.90 € on average and you can find rides from 05:18 to 22:59. If you need to travel this week, prices range from 64.90 € to 79.90€. Booking your train ticket a few weeks in advance though, you can find low cost trains from Gaeta to Trieste with fares starting from 19.90€, saving 72% on average.