Air Busan, Air Seoul, Asiana Airlines, Eastar Jet, Jeju Air, Jin Air, Korean Air, Thai Smile and T´Way Air operate nonstop flights from Seoul (GMP) to Jeju City (CJU). The nonstop flight takes around ~0h 34m, covering 280 miles (451 km). Updated 28 June 2026.
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Yes, Air Busan, Air Seoul and 7 more airlines operate nonstop flights from Seoul (GMP) to Jeju City (CJU).
Air Busan, Air Seoul, Asiana Airlines, Eastar Jet, Jeju Air, Jin Air, Korean Air, Thai Smile, T´Way Air operate nonstop flights from Seoul to Jeju City.
The nonstop flight from Seoul to Jeju City takes ~0h 34m (approximately 451 km).