The nearest airport is ZQL - Donaueschingen Villingen, located 28.2 km south east of Untertal.
Other airports nearby include SXB - Strassbourg Entzheim (63.2 km north west), CMR - Colmar Houssen (66.5 km west), ZCC - Baden-baden Baden Oos (71.5 km north), ZRH - Zurich (79.4 km south),