Leonardo da Vinci International Airport
This is the main international airport for Rome . Leonardo Express trains run to the central train station Roma Termini which is about 1 km from the main railway station. Walking in the area of the Roma Termina in Vittorio square at night is not recommended. The alternative is the Metropolitan train to Tiburtina Station and then connect to the Rome Metro. Taxis are available, do fix the price before departing. Be very careful you are using a licensed taxi as unlicensed taxi drivers will try and approach you.
Ciampino International Airport
The second international airport is used by many of the low fare airlines and has no direct train connection. COTRAL/Schiaffini operates a bus to "Anagnina metro station" for connections to central Rome . Buses are also available to Ciampino local train station where the train goes to Rome Termini. There are also buses to Termini station. Taxis are available but do agree a fixed price before you leave.
Rome 's main railway station is Termini Station open from 04.30 until just after midnight. When Termini is closed trains reaching Rome stop at Tiburtina station. Other stations are Ostiense, Trastevere, Tuscolana, Tiburtina.