Pula is the closest airport to Porec; approximately 55 km. It is a small, seasonal airport with various low-cost airlines connecting Pula throughout Europe. (Ryanair, Easyjet & Lufthansa to name a few).
Other airports you can consider when planning your visit are Trieste, Venice, Treviso, Krk, and Ljubljana. Trieste & Ljubljana is about a two hour drive from the Villa with Venice & Treviso approximately 3 hours.
Venezia Lines offers a Ferry service between Venice & Porec between the months of April and October. The journey takes approximately 3 hours. Click here for the Venezia Lines website.