The nearest airport is OIM - Oshima, located 80.8 km south east of Koizumi.
Other airports nearby include OKO - Yokota Ab (86.6 km north east), HND - Tokyo Intl (109.2 km east), MMJ - Matsumoto (124.3 km north west), MMY - Miyake Jima Miyakejima (151.8 km south east),