to Roma Termini central railway station: take the “Leonardo Express” train; departing every 30 minutes; the journey takes about 35 minutes; tickets are available at the Airport station and cost 14,00 Euro.
For more informations see Trenitalia site.
From Ciampino Airport “Giovan Battista Pastine”:
From “Roma Termini” to Frascati downtown: take the train Roma-Frascati (FM4 line – timetable).
Tickets are available at tobacconist’s shops and newspapers kiosk and cost 2,10 Euro. It stops about 2 km far from LNF and it is possible to take a taxi to LNF.
Otherwise from “Roma Termini” take the Underground – line A (tickets cost about 1,50 euros) to the “Anagnina Station”, then a bus (COTRAL) to Frascati (nearly every 30 minutes). Tickets are available at tobacconist’s shops and newspapers kiosks.
Frascati Urban Public Transport Service:
“Schiaffini Travel” Bus – Frascati (lines and time tables)
COTRAL (lines and time tables).
Taxi fare from Termini Station to Frascati amounts to approximately 52,00 Euro
Frascati is located about 20 km from Rome, in a south-east direction, and 40 km from the "Leonardo Da Vinci" airport of Rome - Fiumicino.