The nearest airport is ZQL - Donaueschingen Villingen, located 31.1 km south of Unterdorf.
Other airports nearby include ZCC - Baden-baden Baden Oos (63.4 km north), SXB - Strassbourg Entzheim (64.4 km north west), CMR - Colmar Houssen (76.2 km west), STR - Stuttgart (81.1 km north east),