Cheju to Ulsan flights
Direct and connecting flights from Jeju International Airport (CJU) to Ulsan Airport (USN) — airlines, aircraft types, and the safety record for this route.
Route FAQ
How long does the flight from Cheju to Ulsan take?
Flight time from Cheju (CJU) to Ulsan (USN) 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 Cheju to Ulsan?
Airline availability for CJU to USN 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 Cheju to Ulsan?
Direct (nonstop) availability on CJU to USN 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 involving any operator on this pair in the last 90 days.
- Air Busan94
- Korean Air88
| Carrier | Sightings / 90d | Safety events |
|---|---|---|
| Korean Air | 1 sighting | No recorded events |
| Air Busan | 1 sighting | No recorded events |
Planning CJU → USN
CJU to USN is a short-haul route of 349 km (217 mi). See the return USN → CJU route.
Alternative airports near Cheju: Seogwipo (JDG) — 24 km.
Alternative airports near Ulsan: Pohang (KPO) — 44 km, Busan (PUS) — 59 km, Taegu (TAE) — 71 km.