The nearest airport is ZVK - Savannakhet, located 121.5 km north east of Ban Ku.
Other airports nearby include SNO - Sakon Nakhon (129.7 km north), UTH - Udon Thani (175.9 km north west), NAK - Nakhon Ratchasima Khorat (218.4 km south west), VTE - Vientiane Wattay Intl (244.9 km north west),