The Oita Airport is a small airport with only a few flights from here mostly by JAL and ANA to Osaka-Itami airport and to Tokyo Haneda Airport and one international flight to Incheon Airport of Seoul by Korean Air.
The airport has one terminal where domestic departures are at the left side and international departures on the right side. Arrival area is in the middle. Inside the terminal are several shops and stores as well as locker rooms.