From the airport: For a fixed price of EUR35 you can grab a cab which will get you downtown in about an hour depending on traffic. Alternatively, you can use the X95 AIRPORT EXPRESS bus line which will take you to central Syntagma station a bit faster than a taxi. This is the only service from and to the airport that runs on a 24-hour basis (EUR5), so if you arrive too early (or too late) it might be your only option. The fastest way to Syntagma main station is to use the Suburban Train service (EUR8) up to Syntagma. From Syntagma, you take Metro line No.3 (BLUE) in the direction of Egaleo for one stop until Monastiraki station. From there, in less than 10' you'll arrive at City Circus Hostel (just walk down Ermou str. & take a right turn on Sarri str. You'll find us at number 16.
From Piraeus port: By taxi, it will cost you around EUR25 and you'll arrive in about 45' depending on traffic. You can also use line 1 (GREEN) of the Metro (EUR1.40) and stop at Thission station. As you walk out of the station, on your left after 50m you'll find Sarri str.