Direct flights from Ulsan Airport (USN)
Ulsan Airport in Ulsan, South Korea has direct flights to 2 airports in 1 country, flown by 4 airlines. The longest is to Cheju (CJU) at 349 km.
See every route from USN on the map2direct destinations
1countries
4airlines
Direct flights from USN by country
South Korea (2)
- CJU Cheju · 349 km · ~55m · Air Busan and Korean Air
- GMP Seoul · 316 km · ~55m · Korean Air, Jin Air and Asiana Airlines
Airlines flying from USN
Air Busan, Asiana Airlines, Jin Air, Korean Air
Going somewhere USN doesn’t fly direct?
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Routes come from current airline fares, updated weekly (last update 9 November 2026), plus older schedule data for airports with few recent fares. “Direct” can include a few same-plane flights with a stop. Flight times are estimates from distance. Always check with the airline before booking.