Athens Metro connects the airport with main places in Athens including Syntagma and Monastiraki (blue line, metro map). The trip from Airport to Monastiraki take 40 minutes. You can further change metro line to go up to Piraeus port or elsewhere. The metro departs from the airport every 30' min (05' and 35' from 6:35 to 23:35). A one-way ticket for one person costs 6 Euro. There are also group tickets: two persons ticket 10 Euro, three persons ticket 15 euro.

To Piraeus
The metro is available between 06:30 in the morning till 23:30 in the evening. It lives from Athens airport metro station every 30 minutes. The trip from Athens airport to the centre of Athens (Syntagma station) takes 40 minutes.
Departure times: 06:33, 07:03, 07:33, 08:03, 08:33, 09:03, 09:33, 10:03, 10:33, 11:03, 11:33, 12:03, 12:33, 13:03, 13:33, 14:03, 14:33, 15:03, 15:33, 16:03, 16:33, 17:03, 17:33, 18:03, 18:33, 19:03, 19:33, 20:03, 20:33, 21:03, 21:33, 22:03, 22:33, 23:03, 23:33.
There are different types of tickets:
- Ticket for one person (one-way): 10 Euro
- Ticket for one person (with return): 18 Euro
- Reduced ticket (students age 25-, age 6-18, age 65+): 20 Euro
- Children up to 6 years old: Free
To Athens
When you arrive at Monastiraki station you get of to wagon and change metro line. You get to the line that ends to Piraeus (green line). The trip from Athens airport to Monastiraki takes 40 minutes. Then you will need another 30 minutes to Piraeus Port.