RailMetro link between the downtown Athens and the airport will not run from 16:00-midnight, due to train strike.

  • Dedicated ‘X’ buses can be used for travel between downtown Athens and the airport 24 hours a day.
  • For those that don’t know, this route is run by a different company than the Athens metro, which will be running normally. Suburban railway/proastiakos to stop working from 16:00-midnight. — Athens Transport (in Greek)
  • KTEL buses may be used for travel between cities. — KTEL buses of Greece

Credit link: http://livingingreece.gr/strikes/#ixzz2PPViqyFf