Ulsan to Cheju flights
Direct and connecting flights from Ulsan Airport (USN) to Jeju International Airport (CJU) — airlines, aircraft types, and the safety record for this route.
Route FAQ
How long does the flight from Ulsan to Cheju take?
Flight time from Ulsan (USN) to Cheju (CJU) depends on routing, aircraft type, and whether the flight is direct or connecting. A direct flight typically reflects great-circle distance plus winds, while one-stop options can add several hours depending on the layover airport. The typical block time and frequency we have observed for this route are shown above.
Which airlines fly from Ulsan to Cheju?
Airline availability for USN to CJU changes by season and sometimes week to week as carriers adjust capacity. The airlines and aircraft types observed operating this route, both direct and connecting, are listed below based on real flight-tracking data.
Are there direct flights from Ulsan to Cheju?
Direct (nonstop) availability on USN to CJU varies by date, day of week, and season. Busy city pairs usually have multiple daily nonstops, while thinner routes may only have direct service a few days per week or only during peak seasons.
No fatal or serious occurrence recorded and attributed to operators on this pair in the last 90 days.
- Korean Air5-yr attributed events: 3Last 90 days: none recorded
- Air Busan5-yr attributed events: 1Last 90 days: none recorded
| Carrier | Sightings / 90d | Safety events |
|---|---|---|
| Korean Air | 1 sighting | No recorded events |
| Air Busan | 1 sighting | No recorded events |
Planning USN → CJU
USN to CJU is a short-haul route of 349 km (217 mi). See the return CJU → USN route.
Alternative airports near Ulsan: Pohang (KPO) — 44 km, Busan (PUS) — 59 km, Taegu (TAE) — 71 km.
Alternative airports near Cheju: Seogwipo (JDG) — 24 km.