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

Return flights

02 Dec - 04 Dec	Jeju Air	direct
01 Dec - 04 Dec	Jeju Air	direct
02 Dec - 11 Dec	Jeju Air	direct
04 Dec - 11 Dec	Jeju Air	direct
01 Dec - 03 Dec	Jeju Air	direct
08 Dec - 11 Dec	Jeju Air	direct
08 Dec - 13 Dec	Jeju Air	direct
06 Dec - 09 Dec	Jeju Air	direct
04 Dec - 06 Dec	Jeju Air	direct
18 Dec - 22 Dec	Jeju Air	direct
29 Dec - 02 Jan	Jeju Air	direct
30 Dec - 01 Jan	Jeju Air	direct
29 Dec - 01 Jan	Jeju Air	direct
31 Dec - 04 Jan	Jeju Air	direct
31 Dec - 03 Jan	Jeju Air	direct
28 Dec - 01 Jan	Jeju Air	direct

Also check the deals for one-way flights from Seoul to Kagoshima 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 Seoul to Kagoshima in December from 113€

Return flights