from the airport fiumicino you have a train direct to the Central Station and then take the bus to 40 or 64 and get off at the "Chiesa Nuova" or piazza Navona From Ciampino aiport, take the bus Terranova to Central station and then take the bus to 40 or 64 and get off at the "Chiesa Nuova" or piazza Navona If you take a taxi the fixed fee is €48 for and from Fiumicino Leonardo da Vinci and €35 from and to Ciampino airportif you are 3 people already is more convenient to travel with aTaxi.