Graz Airport is served by 6 airlines, flying from/to 6 destinationsLongest flight from Graz Airport is Graz to 🇩🇪 Frankfurt am Main (FRA), which takes around 1 hour and 25 minutes. On an airline like Air Dolomiti. More info on this flight route (GRZ-FRA).Shortest flight from Graz Airport is Graz to 🇦🇹 Vienna (VIE), which takes around 35 minutes. On an airline like Austrian Airlines. More info on this flight route (GRZ-VIE).