Athens International Airport Eleftherios Venizelos (ATH) is one of the busier airports in southern Europe, with direct flights to most European cities and several intercontinental routes. It is a good modern airport and reasonably easy to navigate.
From the airport to the city. The Metro Line 3 runs directly from the airport to Syntagma and Monastiraki in central Athens, taking about 40 minutes and costing around €10 one way. This is by far the best option. The X95 express bus to Syntagma is slower but cheaper (around €6). Taxis to the city centre cost a fixed rate of around €40 during the day — agree the price before you get in.
By ferry. The port of Piraeus, 10 km south of the centre and connected to Athens by Metro Line 1, is the gateway to the Greek islands. Daily ferries run to the Cyclades, the Dodecanese, Crete, and the Aegean islands. Fast catamaran services are quicker but more expensive; overnight ferries on major routes are the most economical option. Book in advance during summer — the ferries fill up.
By train. Athens is connected by rail to Thessaloniki in the north (about 4 hours on an intercity train), and from there to the rest of Europe, though the rail network is not fast by Western European standards.