There is no airport in Porto Heli. The closest airport is located in Athens, the capital of Greece. The airport of Athens operates domestic flights from most Greek airports and many international flights.
The easiest way to go to Porto Heli from Athens is to take the ferry from the port of Piraeus. The ferry from Piraeus (Athens) to Porto Heli takes 2 hours. Visitors can also go to Porto Heli by bus (via Nafplion or Kranidi) from Kifissos KTEL Bus Station in Athens.