Direct (nonstop) flights from Ulsan to Jeju
3 airlines fly nonstop from Ulsan (USN) to Jeju International (CJU). It's 217 miles (350 km), about 1h 5m in the air. Operated by Air Busan, Korean Air, Jin Air.
Air Busan
Korean Air
Jin Air
Route data last updated: May 27, 2026
Airlines with non-stop flights
Alternative Routes
Other ways to fly from Ulsan to Jeju with one stop · direct emits 40 kg CO₂ per passenger
Looking for the return flight?
CJU → USN: Flights from Jeju to UlsanDirect flights from Jeju (CJU)
Frequently Asked Questions
How long is the direct flight from Ulsan to Jeju?
A nonstop flight from Ulsan (USN) to Jeju (CJU) takes approximately 1 hours and 5 minutes. The distance is 217 miles (350 km).
Which airlines fly nonstop from Ulsan to Jeju?
3 airlines: Air Busan, Korean Air, Jin Air.
Is there a nonstop flight from Ulsan to Jeju?
Yes. 3 airlines: Air Busan, Korean Air, Jin Air.
How far is Ulsan from Jeju?
The flight distance from Ulsan to Jeju is 217 miles (350 km), measured as the great-circle (shortest air) distance. That's roughly the same distance as London to Paris.
What type of aircraft flies from Ulsan to Jeju?
At 1h 5m, this route typically uses narrow-body aircraft — Boeing 737 or Airbus A320. Varies by airline.
What is the carbon footprint of a flight from Ulsan to Jeju?
Roughly 40 kg CO2 per passenger one-way. That's about the same as driving 200 km.
Is the return flight from Jeju to Ulsan also nonstop?
Yes — nonstop flights run both ways. Flight time may differ slightly due to wind patterns.
When is the cheapest time to fly from Ulsan to Jeju?
Midweek flights (Tue/Wed) outside holiday peaks are usually cheapest. 3-6 weeks ahead is a good window for this route. Use "Check Prices" above to compare.
How early should I arrive at Ulsan for this flight?
1.5-2 hours for domestic. Add more time during holidays or busy travel weekends.