Key Metro/Train Stations:

Piraeus (port)
El. Venizelos (airport)
Omonia (Athens - central station)
Syntagma (Athens - central station)
Monastiraki (Athens - hub station)
Doukissis Plakentias (northern suburbs - hub)
Neratziotissa (northern suburbs - hub)

Station Map
Updated to include the new stations of Nomismatokopeio & Metamorfosi
press here

Services
Always double check on information at the below telephone numbers:
ΜΕΤΡΟ tel: 210.519.4001
PROASTIAKOS tel: 210.529.7777

AIRPORT-PIRAEUS
Where there are several boardings in the below routes this is due to different times for the first and last trains of the day.

By Metro and the Electric Train
Boarding at the airport, taking the Metro (Blue line 3)
Changing at Monastiraki Station boarding electric train (Green line 1)
total duration 65 mins
Trains running from 06:35 (first) - 23:35 (last)

ONLY with the suburban line (Proastiakos)
Boarding at the airport the Proastiakos (Yellow Line)
Changing at Nea Liosia Station
continue to Piraeus on the Proastiakos train
Total duration 70 mins
Trains running from 06:14 (first - 23:14 (last)

With the suburban line and metro and electric
Boarding firstly at Doukissis Plakentias Station
Changing at at Monastiraki for Piraeus

With the suburban line + metro + electric
Boarding firstly at Doukissis Plakentias Station
2nd boarding at Monastiraki Station
Total trip duration 70 mins
Trains running: from 05:31 (first) - 23:31 (last)

With the suburban line and electric
Boarding at Neratziotissa Station
Total trip duration 75 mins
Trains running from 05:31 (first) - 23:31 (last)

ONLY with the electric
Boarding
Total trip duration 19 mins
Trains running from 05:00 - 00:30 (last)

By Express Bus
right outside the front door of the airport
buses to central Athens and Piraeus Port

PIRAEUS-AIRPORT

ONLY by Proastiako (suburban train)
Boarding at Nea Liosia Station
Total duration 70 mins
Services: First 05:44 - Last 22:44

With Electric Train and Proastiaki
Boarding at Neratziotissa Station
Total duration 75 mins
Services: First 05:00 - Last from Neratziotissa 23:45

By Electric-Metro-Proastiako
Boarding firstly at Monastiraki Station
Changing at Doukissis Plakentias for the airport
Total duration 70 mins
Services: First 05:00 - Last train from Doukissis Plakentias 23:52

By Electric and Metro
Boarding at Monastiraki Station
Toal duration 65 mins
Services: First 05:00 - Last from Monastiraki 23:03

Athens-Omonoia

ONLY with the Electric
0 boardings
total duration 19 mins
Services: First 05:00 - Last 00:30

Piraeus-Omonoia Boarding=0 Electric
Piraeus-Syntagma Boarding=1 Electric+Metro Monastiraki
Piraeus-Airport Boarding=1 Electric+Metro Neratziotissa
Piraeus-Airport Boarding=0 Proastiakos