To get to Zakynthos and Vais Luxury Villas there are many charter flights from European and international (?) cities every day with different schedules, depending on the season.
From Athens International Airport "Eleftherios Venizelos" to Zakynthos Airport "Dionysios Solomos" there are daily domestic flights.
Another way to get to Zakynthos is by ship. By car you get to the port of Killini and from there it is about 1 hour and 15 min ferry boat ride to Zakynthos.