Ulsan Airport is a medium-sized airport serving Ulsan, South Korea. Its IATA code is USN and its ICAO code is RKPU. The airport lies at an elevation of 45 ft (14 m) above sea level. It has 1 runway(s); the longest is 18/36, 6,561 ft (2,000 m) long. Local time follows the Asia/Seoul time zone.
Key facts
- IATA code
- USN
- ICAO code
- RKPU
- Airport type
- Medium airport
- Elevation
- 45 ft (14 m)
- Coordinates
- 35.5935, 129.3520
- Time zone
- Asia/Seoul
- Local time now
- —
- Scheduled service
- Yes
Location
Runways
| Runway | Length | Width | Surface | Lighted |
|---|---|---|---|---|
| 18/36 | 6,561 ft · 2,000 m | 148 ft · 45 m | Asphalt | Yes |
Nearest airports
Airports with scheduled service closest to Ulsan Airport, by great-circle distance.
| Airport | City | Distance |
|---|---|---|
| KPO Pohang Airport (G-815/K-3) | Pohang, South Korea | 44 km · 27 mi |
| PUS Gimhae International Airport | Busan, South Korea | 59 km · 37 mi |
| TAE Daegu International Airport | Daegu, South Korea | 71 km · 44 mi |
| HIN Sacheon Airport / Sacheon Air Base | Sacheon, South Korea | 129 km · 80 mi |
| TSJ Tsushima Airport | Tsushima, Japan | 146 km · 91 mi |
| RSU Yeosu Airport | Yeosu, South Korea | 178 km · 111 mi |
| CJJ Cheongju International Airport | Cheongju, South Korea | 208 km · 129 mi |
| IKI Iki Airport | Iki, Japan | 209 km · 130 mi |
Distances to major hubs
Great-circle distances from USN. These are geographic distances, not a list of operated flights.
| Airport | km | mi | NM | |
|---|---|---|---|---|
| HND Tokyo | 943 | 586 | 509 | View route |
| PEK Beijing | 1,225 | 761 | 661 | View route |
| SIN Singapore | 4,621 | 2,871 | 2,495 | View route |
| DEL New Delhi | 4,928 | 3,062 | 2,661 | View route |
| DXB Dubai | 7,025 | 4,365 | 3,793 | View route |
| SYD Sydney (Mascot) | 8,058 | 5,007 | 4,351 | View route |
| IST Istanbul | 8,257 | 5,131 | 4,458 | View route |
| FRA Frankfurt am Main | 8,864 | 5,508 | 4,786 | View route |
| LHR London | 9,171 | 5,698 | 4,952 | View route |
| CDG Paris (Roissy-en-France, Val-d'Oise) | 9,242 | 5,743 | 4,990 | View route |
| LAX Los Angeles | 9,563 | 5,942 | 5,164 | View route |
| JFK New York | 11,215 | 6,969 | 6,056 | View route |
| ATL Atlanta | 11,554 | 7,179 | 6,239 | View route |
| MEX Mexico City | 12,051 | 7,488 | 6,507 | View route |
| JNB Johannesburg | 12,609 | 7,835 | 6,808 | View route |
| GRU São Paulo | 18,604 | 11,560 | 10,045 | View route |
Radio frequencies
Not for navigation. Always use official, current aeronautical publications.
| Type | Description | MHz |
|---|---|---|
| ACP | BRICKWALL | 120.000 |
| APP | POHANG APP | 124.250 |
| ATIS | ATIS | 127.350 |
| TWR | TWR | 122.600 |
External links
External links come from the source dataset and are not independently verified by FlyingWorld.
Frequently asked questions
What is the airport code of Ulsan Airport?
The IATA code of Ulsan Airport is USN and its ICAO code is RKPU.
Where is Ulsan Airport located?
Ulsan Airport is in Ulsan, Ulsan-gwangyeoksi, South Korea, at 35.5935, 129.3520.
What time zone is Ulsan Airport in?
Ulsan Airport uses the IANA time zone Asia/Seoul. Daylight saving time, where applicable, is applied automatically by the clock on this page.
How long is the longest runway at Ulsan Airport?
The longest runway listed is 18/36, 6,561 ft (2,000 m) long.
What is the nearest airport to Ulsan Airport?
The nearest airport with scheduled service in our directory is Pohang Airport (G-815/K-3) (KPO), about 44 km (27 mi) away.
Source: OurAirports (data updated: 9 November 2026). Not for navigation. Always use official, current aeronautical publications.