From the Eleftherios Venizelos airport it is very easy to travel to Athens city center.
The taxi from Airport to the hotel takes around 45 minutes and costs around 35-40 €.
The metro and the Proastiakos Suburban rail as well as taxis and buses to and from Athens are to be found opposite the main exit of the airport.
The airport is accessible via Metro line 3 "Aghia Marina - Athens International Airport”
The Suburban Rail connects Athens International airport with Athens Central Railway Station and the port of Piraeus.
You can call 14511 for timetable information
Four bus routes connect directly Athens and Piraeus with the airport. All buses set down passengers departure level and depart from the Arrivals level between Exits 4 and 5.
The bus journey is cheap and takes between 40 and 45 minutes to the city centre at Syntagma (Parliament) Square (of course depending on the time and traffic), therefore the best way is to take the Athens metro that connects the airport with Athens and Piraeus.
There are car hire agencies at the airport and if you want to rent a car.