- Gimhae International Airport is an aiport located in Busan, South Korea. It serves as the main gateway for travelers going to and from the city of Busan and the surrounding regions. It is the second largest airport in South Korea, after Incheon International Airport. Gimhae Airport offers both domestic and international flights, connecting Busan to various destinations worldwide. The airport features modern facilities, including shopping and dining options, as well as transportation services to and from the airport.