The nearest airport is KLU - Klagenfurt (Worthersee Intl), located 24.5 km east of Duel.
Other airports nearby include LJU - Ljubliana Ljubljana (54.9 km south east), TRS - Ronchi De Legionari Ronchi Dei Legionari (97.1 km south west), GRZ - Graz (116.2 km east), AVB - Aviano Ab (Pagliano E Gori) (127.3 km south west),