The nearest airport is SXB - Strassbourg Entzheim, located 35.9 km north west of Untertal.
Other airports nearby include ZCC - Baden-baden Baden Oos (44.4 km north), ZQL - Donaueschingen Villingen (58.3 km south east), CMR - Colmar Houssen (61.7 km south west), STR - Stuttgart (91.2 km east),