The nearest airport is KLU - Klagenfurt (Worthersee Intl), located 75.2 km east of Siflitz.
Other airports nearby include AVB - Aviano Ab (Pagliano E Gori) (102.6 km south west), LJU - Ljubliana Ljubljana (103.7 km south east), TRS - Ronchi De Legionari Ronchi Dei Legionari (106.3 km south), SZG - Salzburg (115.9 km north),