The nearest airport is ZQL - Donaueschingen Villingen, located 41.2 km north east of Außertal.
Other airports nearby include MLH - Bale Mulhouse (44.6 km south west), ZRH - Zurich (51.6 km south east), CMR - Colmar Houssen (63.1 km north west), SXB - Strassbourg Entzheim (89.6 km north),