- Ulsan Airport is an airport located in Ulsan, South Korea. It is officially known as Ulsan International Airport and serves as a major transportation hub for the city of Ulsan and the surrounding region. The airport offers domestic flights to Seoul and Jeju, as well as international flights to various destinations in China and Japan. It is equipped with modern facilities and services for passengers, including a duty-free shop, restaurants, and car rental services. Overall, Ulsan Airport plays an important role in connecting Ulsan to other parts of South Korea and neighboring countries.