USEFUL INFORMATION:

Operating hours: 5:00 - 0:15 (ISAP Line 1), 5:30 - 24:00 (Metro Lines 2 & 3)
every 3 min in rush hours, 5 minutes during normal daytime and 10 minutes early morning and late evening.

Single ticket = € 0.80 (metro* and ISAP). Single 1-2 zones on Line 1 - EUR 0.70.
Play it safe and tell them your destination. They know what ticket to give you.
  * Airport tickets = € 6.00 and € 5.00 (metro L3 or suburban rail)

Connecting ticket = € 1.00 (It allows you to use 2-3 different media and is valid for 1.30hour)
Day Pass = € 3.00 (on metro, old subway, tram and buses)
7 - Day Pass = € 10.00 (on metro, old subway, tram and buses)
Monthly Pass = € 35.00 (on metro, old subway and buses)
Athens Blue bus tickets = € 0.50, Brown striped Suburban prices = Depending on the distance.