The nearest airport is OIM - Oshima, located 106.7 km east of Idozawa.
Other airports nearby include MMY - Miyake Jima Miyakejima (136.7 km south east), OKO - Yokota Ab (163.9 km north east), MMJ - Matsumoto (175.9 km north), HND - Tokyo Intl (177.4 km north east),