There is no airport in Parga. The closest airport is in Preveza (Aktion). This small airport does not receive domestic flights from other airports of Greece. It works only in summer and receives charter and low-cost flights from various European airports.
Many car rental agencies have their base at the airport of Preveza/Aktion to serve tourists.
The airport of Preveza-Aktion, the closest airport to Lefkada island, operates only in summer and receives flights from European airports and small Greek regional airports. Here are the main air companies that fly from/to Preveza-Aktion.