Cheapest return flights from Osaka to Seoul in December from 139€

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

Return flights

01 Dec - 04 Dec Peach direct
03 Dec - 17 Dec Jin Air direct
03 Dec - 21 Dec Jin Air direct
03 Dec - 08 Dec Jin Air direct
03 Dec - 10 Dec Jin Air direct
03 Dec - 15 Dec Jin Air direct
03 Dec - 16 Dec Jin Air direct
16 Dec - 17 Dec Jin Air direct
16 Dec - 21 Dec Jin Air direct
09 Dec - 17 Dec Jin Air direct
20 Dec - 05 Jan Peach direct
25 Dec - 06 Jan Jeju Air direct
22 Dec - 02 Jan Korean Air direct
22 Dec - 01 Jan Korean Air direct
23 Dec - 02 Jan Jin Air direct
16 Dec - 06 Jan Jin Air direct
16 Dec - 02 Jan Jin Air direct
26 Dec - 06 Jan Jeju Air direct
14 Dec - 02 Jan Jin Air direct
25 Dec - 05 Jan Jeju Air direct

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

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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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