The nearest airport is STR - Stuttgart, located 71.0 km north west of Altheim.
Other airports nearby include AGB - Augsburg (71.6 km east), FDH - Friedrichshafen (78.3 km south west), FEL - Fuerstenfeldbruck Furstenfeldbruck (95.9 km east), ACH - St Gallen Altenrhein (96.0 km south),