24-hour express buses connect Athens International Airport with the port of Piraeus and the Intercity Bus Terminal (KTEL Kifissos). These non-stop services operate daily, including public holidays. All buses drop off passengers at the Departures Level and depart from the Arrivals Level. Bus tickets are sold at the ticket booth outside the Arrivals hall (between Exits 4 and 5), or on board at no extra cost. One way tickets cost €6 (€3 for children, teenagers, over 65).
There are four express bus routes from the airport:
- Χ93: Airport - Kifissos Station (Estimated journey time: 65 minutes)
- X95: Airport - Syntagma Square (Estimated journey time: 60 minutes)
- Χ96: Airport - Piraeus port (Estimated journey time: 90 minutes)
- Χ97: Airport - Elliniko (Estimated journey time: 45 minutes)