The nearest airport is TRS - Ronchi De Legionari Ronchi Dei Legionari, located 21.8 km south of Kojsko.
Other airports nearby include POW - Portoroz (59.6 km south), LJU - Ljubliana Ljubljana (71.9 km east), AVB - Aviano Ab (Pagliano E Gori) (76.2 km west), KLU - Klagenfurt (Worthersee Intl) (91.5 km north east),