- Yeosu Airport (RSU) is a small regional airport located in Yeosu, South Korea. It serves as the main gateway to the city of Yeosu and its surrounding areas. The airport primarily handles domestic flights within South Korea, with regular connections to Seoul and Jeju Island. It also serves as a base for private and charter flights. The airport has limited facilities, including a small terminal building with check-in counters, baggage claim area, and a few shops and restaurants. Ground transportation options from the airport include taxis and rental cars.