USN Ulsan Airport
- 09:00KE1844Seoul(GMP)On time
- 11:20BX8301Cheju(CJU)On time
About USN Airport
Ulsan Airport (USN) serves the industrial city of Ulsan in South Korea, handling domestic and limited international traffic through a single passenger terminal that keeps arrivals and departures straightforward for travelers. Korean Air, Asiana and low-cost carriers operate regular services connecting Ulsan with Seoul, Jeju and other regional hubs, while cargo and business flights also use the field. Passengers can check the online flight board for live gate and schedule updates, and find ground transport links including buses, taxis and car rental nearby for easy onward travel.
Frequently asked questions
The IATA airport code for Ulsan Airport is USN.
The ICAO code for Ulsan Airport is RKPU.
Ulsan Airport (USN) is located in Ulsan, South Korea.
The local time zone at Ulsan Airport (USN) is Asia/Seoul (GMT+9).
About 8 scheduled departures were counted at Ulsan Airport (USN) when flight schedules were last measured on July 19, 2026.
For international flights, arrive at least 3 hours before departure; for domestic flights, about 2 hours.
The board on this page shows arrivals and departures for Ulsan Airport (USN). It re-checks for updates while the page is open, and every board states how old its data is — busy hubs are refreshed within hours, quieter airports less often.