Airport guide
Ulsan AirportIATA code USN
Ulsan Airport (USN/RKPU) is the primary air passenger gateway serving Ulsan, South Korea in Asia. The airfield connects travelers with essential regional transit routes and operating carrier options.
- Serves
- Ulsan, South Korea
- Codes
- USN · RKPU
- IATA · ICAO
- Time zone
- Asia/Seoul
- Region
- Asia
Ulsan Airport (USN/RKPU) is the primary air passenger gateway serving Ulsan, South Korea in Asia. Operating on Asia/Seoul local time at coordinates 35.590°, 129.360°, the airfield functions as an active commercial transit hub for scheduled regional and international flights. Travelers navigating Ulsan Airport (USN) are encouraged to confirm terminal layouts, ground transport connections into Ulsan, and flight schedules with their operating carrier prior to travel.
Ulsan Airport details
- IATA code
- USN
- ICAO code
- RKPU
- City
- Ulsan
- Country
- South Korea
- Region
- Asia
- Time zone
- Asia/Seoul
- Coordinates
- 35.593°, 129.352°
- From OurAirports
Codes, region and time zone come from the Originfacts airport record (last updated 10 Jul 2026). Fields marked otherwise come from the dataset named on them. None are verified by hand against Ulsan Airport’s own pages.
USN airport facts
- Size class
- Medium airport
- From OurAirports (5 Oct 2026); OurAirports’ own classification
- Elevation
- 14 m (45 ft)
- From OurAirports (5 Oct 2026)
- Passengers, 2022
- 799,726
- Per Wikidata (opens in a new tab) (retrieved 5 Oct 2026), citing airport.co.kr (opens in a new tab)
- Nearest airport with scheduled flights
- Pohang Airport (G-815/K-3) KPO · 44 km
- OurAirports scheduled-service flag; straight-line distance calculated
Runways at USN
Source: OurAirports (opens in a new tab) runways data (public domain), retrieved 5 Oct 2026. Not an aeronautical source — not for navigation.
One open runway, lit. The runway 18/36: 2,000 m, asphalt.
| Runway | Length | Width | Surface | Lighting |
|---|---|---|---|---|
| 18/36 | 2,000 m6,561 ft | 45 m | asphalt | Lit |
Routes from USN
Originfacts does not track any routes from USN yet, so no route records are listed here. Check current schedules with the airlines or the airport’s own site.
Airlines with a hub at USN
Per Wikidata (opens in a new tab) (retrieved 5 Oct 2026): airlines whose “airline hub” property names USN, with no end date and not recorded as dissolved. Community-edited; hubs change.
Where USN is
5.8 km north-northeast
Ulsan Airport lies 5.8 km north-northeast of Ulsan city centre in a straight line. Road distance is longer; transport options are not yet verified (see terminals and transport below).
Calculated from the airport coordinates (OurAirports) and the Wikidata (opens in a new tab) city-centre point.
Terminals, transport and parking at USN
Terminal assignments, ground transport into Ulsan, parking, lounges and accessibility services have not been verified against Ulsan Airport’s own pages yet, so none are listed here.
Check directly:ulsan.airport.co.kr/doc/ulsan_eng (opens in a new tab)Map of the airport location (opens in a new tab)
Before you travel
- Confirm your terminal with the operating airline.
- Check the check-in and bag-drop cut-off times on your booking.
- Allow extra time if you need to change terminals or check bags in again.
- Check your flight status before you leave for the airport.
Airports near Ulsan
Straight-line distances calculated from each airport’s coordinates in the Originfacts airport records. Road distances are longer.
Ulsan Airport: common questions
Where is Ulsan Airport?
Ulsan Airport serves Ulsan, South Korea. Its coordinates in OurAirports are 35.593°, 129.352°.
What are the airport codes for Ulsan Airport?
The IATA code is USN and the ICAO code is RKPU.
What time zone is USN in?
Ulsan Airport is in the Asia/Seoul time zone.
What is the official website of Ulsan Airport?
The airport’s official website is ulsan.airport.co.kr/doc/ulsan_eng. For questions about a booking, contact the operating airline.
How many runways does Ulsan Airport have?
OurAirports lists one open runway at USN: 18/36 (2,000 m (6,561 ft), asphalt).
How many passengers use Ulsan Airport?
Wikidata records 799,726 passengers for 2022, the latest year it holds.
Which airlines have a hub at USN?
Wikidata lists USN as a hub of Hi Air.
How far is USN from Ulsan city centre?
Ulsan Airport is about 5.8 km north-northeast of Ulsan city centre in a straight line, calculated from coordinates. The distance by road is longer.
What is the elevation of Ulsan Airport?
OurAirports gives USN’s elevation as 14 m (45 ft) above sea level.
Sources
Nothing on this page is verified by hand yet. Each section comes from the dataset below, with its date where the dataset has one. Terminal, transport and parking details are left out until they can be read from Ulsan Airport’s own pages.
- Codes, location, time zoneOriginfacts airport record10 Jul 2026
- Official websiteWikidata record (official website property) (opens in a new tab)5 Oct 2026
- Coordinates, runways, type, elevationOurAirports (opens in a new tab) — public domain5 Oct 2026
- Opening, operator, passengers, hubsWikidata item Q484730 (opens in a new tab) — CC05 Oct 2026
- Distance to city centreCalculated from airport coordinates and the Wikidata (opens in a new tab) city-centre point—
- Nearby airportsCalculated from airport coordinates—
- Terminals and transportNot yet verified—
Background reading:Wikipedia (opens in a new tab)Wikidata (opens in a new tab)