Oita Airport is an international airport in Kunisaki City, Ōita Prefecture Japan, 16 NM northeast of Ōita City. Oita Airport is an offshore airport built on reclaimed coastal waters off the Kunisaki Peninsula. It opened as New Oita Airport in 1971 as a replacement for the old Oita Airport within Oita City. In 2018, the airport had 2.1 million passengers.