Athens' Eleftherios Venizelos International Airport lies near Spata, 27km east of Athens. It has all the modern conveniences, including 24-hour luggage storage in the arrivals hall, a children's playroom, even a sma…
The bus route runs around the outside of the ferry port, but it's more convenient to get off in front of the metro, then take the free bus inside the ferry port to your gate.
For 24-hour service back to Athens. The bus stop is Ypoyrgeio. Buses from Athens pass down Polytehniou; the closest stop to ferries is Plateia Korai.
Lavrio-based taxi service. Pickups at Athens airport are €45 (€60 at night).