Cheapest return flights from Osaka to Seoul in December from $199

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

Return flights

01 Dec - 08 Dec Peach direct
03 Dec - 07 Dec Jin Air direct
02 Dec - 07 Dec Jin Air direct
04 Dec - 07 Dec Jin Air direct
07 Dec - 09 Dec Jin Air direct
07 Dec - 10 Dec Jin Air direct
07 Dec - 08 Dec Jin Air direct
06 Dec - 07 Dec Jin Air direct
03 Dec - 09 Dec Jin Air direct
02 Dec - 09 Dec Jin Air direct
21 Dec - 06 Jan Korean Air direct
23 Dec - 06 Jan Korean Air direct
25 Dec - 11 Jan Asiana Airlines direct
25 Dec - 01 Jan Korean Air direct
26 Dec - 11 Jan Korean Air direct
31 Dec - 07 Jan Korean Air direct
24 Dec - 04 Jan Korean Air direct
25 Dec - 05 Jan Korean Air direct
26 Dec - 03 Jan Korean Air direct
26 Dec - 04 Jan Korean 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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