AirHint found the following cheapest return flights from Kagoshima (KOJ) to Seoul (ICN) in December 2025 (see full year).

Return flights

26 Dec - 30 Dec	Jeju Air	direct
08 Dec - 15 Dec	Jeju Air	direct
27 Dec - 30 Dec	Jeju Air	direct
27 Dec - 29 Dec	Jeju Air	direct
31 Dec - 06 Jan	Jeju Air	direct
31 Dec - 05 Jan	Jeju Air	direct
27 Dec - 03 Jan	Jeju Air	direct

Also check the deals for one-way flights from Kagoshima to Seoul in December.

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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Cheapest return flights from Kagoshima to Seoul in December from $227

Return flights