All the domestic and international flights from and to Athens are landing at Eleftherios Venizelos.
In order someone to reach the airport from the port and vice versa has the following options:
Bus Line X96 (Piraeus - International Airport Express)
Bus line X 96 begins from the center of Piraeus (Karaiskaki square) and reaches the airport via the avenues Posidonos, Varis-Varkizas and Varis-Koropi. The schedule lasts about 75 minutes but in peak hours perhaps lasts more.
Metro (Airport - Monastiraki - Piraeus)
Metro line 3 starts from Athens International Airport and finishes at Monastiraki station. Change there to metro line 1 (Piraeus - Kifissia) with direction to Piraeus. It takes 60 minutes to get from Airport to Piraeus.
TAXI
For more information you can visit the following web pages: