AirportsUlsan Airport is a medium-sized airport serving Ulsan, in Ulsan-gwangyeoksi (Ulsan Metropolitan City), South Korea. It has scheduled airline flights. Its IATA code, the three letters printed on tickets and baggage tags, is USN.
Key facts
- IATA code
- USN
- ICAO code
- RKPU
- City
- Ulsan
- State or region
- Ulsan-gwangyeoksi (Ulsan Metropolitan City)
- Country
- South Korea
- Kind
- Medium airport
- Coordinates
- 35.5935° N, 129.3520° E
- Elevation
- 14 m (45 ft)
- Runways
- 1
- Longest runway
- 2,000 m (6,561 ft)
Airport codes
On a ticket or a baggage tag, USN means Ulsan Airport. Pilots and air traffic controllers use a different, four-letter ICAO code: RKPU. ICAO codes that begin with R belong to East Asia, including Japan, Korea and the Philippines. How the two kinds of code differ.
Where it is
The airport lies at 35.5935° N, 129.3520° E. It stands 14 metres (45 feet) above sea level.
Local time
Time now at the airport: loading
Time zone Asia/Seoul, taken from the nearest town in the data. Flight times on tickets are always in the local time of each airport.
Runways
Ulsan Airport has 1 runway in the data. The longest is 2,000 metres (6,561 feet). That suits narrow-body jets and regional aircraft. Among the 15 airports of South Korea on this site with runway data, its longest runway ranks number 15.
| Runway | Length | Width | Surface | Lights |
|---|---|---|---|---|
| 18/36 | 2,000 m 6,561 ft | 45 m | Asphalt | Yes |
The numbers in a runway name give its compass direction. How runway numbers work.
Nearest airports with scheduled flights
| Airport | Code | Distance |
|---|---|---|
| Pohang Airport (G-815/K-3)Pohang | KPO | 44 km |
| Gimhae International AirportBusan | PUS | 59 km |
| Daegu International AirportDaegu | TAE | 71 km |
| Sacheon Airport / Sacheon Air BaseSacheon | HIN | 129 km |
| Tsushima AirportTsushima, Japan | TSJ | 146 km |
Distance to major airports
| To | Distance | Rough flying time |
|---|---|---|
| Delhi (DEL)India | 4,928 km | 6 h 25 min |
| Mumbai (BOM)India | 5,790 km | 7 h 30 min |
| Dubai (DXB)United Arab Emirates | 7,025 km | 9 h 00 min |
| London Heathrow (LHR)United Kingdom | 9,171 km | 11 h 35 min |
| New York JFK (JFK)United States | 11,215 km | 14 h 00 min |
| Los Angeles (LAX)United States | 9,563 km | 12 h 00 min |
| Singapore (SIN)Singapore | 4,621 km | 6 h 05 min |
| Tokyo Haneda (HND)Japan | 943 km | 1 h 40 min |
| Sydney (SYD)Australia | 8,058 km | 10 h 15 min |
Distances are the shortest path over the globe, worked out from the coordinates. Flying times are rough estimates for a direct jet flight. They do not mean that a direct flight exists. Work out the distance to any airport.
Links
Airport data: OurAirports, as downloaded on 11 November 2026. This page does not show live flights, terminals or airlines. For those, use the airport's or the airline's own site. See About and data sources.