From Fiumicino airport: Take the train to Termini station. The trains run every half hour from Fiumicino, and cost 11 Euro. We can also arrange for taxi service from or to the airport. The rate depends on the number of people and the amount of luggage (from 50-90 Euros).
From Ciampino airport: Take the Terravision bus (8,50 Euros each way) to Termini train station. The buses leave about half an hour after the flights land. www.terravision.it. Or, take the city Cotral bus service (1 Euro) to Anagnina Metro station. The buses run somewhat sporadically, about once every half hour. From there, take the Metro Line A (1 Euro) all the way to Termini station, then change line of Metro Line B towards Rebibbia (one station) to Castro Pretorio metro stop. We can also arrange for taxi service from or to the airport. The rate depends on the number of people and the amount of luggage (from 50-90 Euros).
From Termini station: Take the Metro line B towards Rebibbia. (Metro tickets cost 1 Euro, and can be purchased in Termini station at any of the tobacco shops or newspaper stands there. If you are coming from Fiumicino airport and are buying a train ticket to come into the city, you can also buy your metro ticket at the same time. Make sure to validate your metro ticket before entering the metro station.) Go one stop up to Castro Pretorio metro stop. If you prefer to take a taxi from Termini, it will cost around 5 – 8 Euros. DO NOT ACCEPT A TAXI RIDE FROM ANYONE WHO APPROACHES YOU. These people will charge you from 20-40 Euros. Stand in the line and wait for an official metered taxi.