The nearest airport is SHB - Nakashibetsu, located 80.9 km north east of Ōmachi.
Other airports nearby include OBO - Obihiro (99.3 km west), MMB - Memanbetsu (101.3 km north), MBE - Monbetsu (166.6 km north west), AKJ - Asahikawa (174.6 km north west),