Just saw this online, Trains from the Rome Airport to Venice and other stops
No Change in Rome?
Direct trains from Rome Fiumicino Airport
Travel directly from the airport in Rome to Venice, with stops in Florence, Bologna and Padova
Now there’s one less connection to make when you’re traveling from Rome Fiumicino Airport to popular stops in Italy, including Florence, Bologna, Padova and Venice. After a long flight it’s nice to skip the airport connection, usually required to get you to Rome Termini, the city’s central station.
With 2 daily departures in each direction you can travel on Trenitalia’s high speed Frecciargento trains between Rome Fiumicino Airport and:
Book your Trenitalia E-ticket now, which you can print at home and is ready to travel with, seat reservation included!