With metro
From the airport you can take metro line 3 to Syntagma station. Then you have to change line and take metro line 2 to Omonia station. The train runs every 30 minutes and runs from 06:35 to 23:35. A one-way ticket costs 10 euros (special prices for two or more people). Don't forget to validate your ticket.
With bus
The X95 bus at Syntagma Square. A one-way ticket costs just 6 euros for adults and free access for children under 6 years old. The bus runs 24 hours a day every 20 minutes. Don't forget to validate your ticket. At Syntagma Square you need to take metro line 2 to Omonia station. From Citycenter follow Panagi Tsaldaris Avenue and turn right onto 3rd Street. This is Voulgari Street where you will see us on your left. Please take care of your personal belongings while using public transport.