The nearest airport is KLU - Klagenfurt (Worthersee Intl), located 65.6 km south east of Plessnitz.
Other airports nearby include LJU - Ljubliana Ljubljana (103.9 km south east), SZG - Salzburg (104.2 km north west), TRS - Ronchi De Legionari Ronchi Dei Legionari (125.2 km south), AVB - Aviano Ab (Pagliano E Gori) (128.0 km south west),