What are the different types of tickets for Athens transport system?

If you are planning to travel to Athens soon, check some useful information regarding public tickets; how to use, where to get and for how much!

Type of Ticket	Ticket Price
90-min ticket for all modes	€ 1.40
24-hour ticket for all modes	€ 4,5
5-day ticket for all modes	€ 9
3-day tourist ticket	€ 22
Express Bus ticket for the airport	€ 6
Metro ticket for the airport (also valid for Suburban Railway and all other modes)	€ 10, ticket for 2 persons € 18, ticket for 3 persons € 24
Return Metro ticket for the airport (for 2 journeys in under 7 days)	€ 18

What kind of ticket do I need to travel from/to the Athens airport?

To travel from to/the Athens airport and the city of Athens you need one of the following tickets:

A metro ticket for the airport (€10)
Return Metro tickets for the airport (€18) and 2 and 3 persons group tickets for the airport (€18 and €24) exist as well.
An express bus ticket for the airport (€6)
A 3-day tourist ticket (€22)

NO other tickets are valid for travelling from/to the Athens airport and the city.

Tickets for Athens public transport can be purchased at:

Automatic ticket issuing machines at all Metro, Tram, and Suburban Railway stations
Ticket offices at many Metro, Tram and Suburban railway stations (Operating hours of Athens Metro ticket offices)
Blue/yellow ticket booths next to many central bus stations
Many newsstands/kiosks