The nearest airport is MMJ - Matsumoto, located 104.7 km north east of Shimo-asō.
Other airports nearby include KMQ - Kanazawa Komatsu (115.0 km north west), TOY - Toyama (125.9 km north), ITM - Osaka Intl (170.4 km south west), SHM - Nanki-shirahama Nanki Shirahama (259.2 km south west),