Cheapest return flights from Osaka to Seoul in December from $118

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

Return flights

02 Dec - 09 Dec Peach direct
03 Dec - 04 Dec Peach direct
09 Dec - 11 Dec Peach direct
07 Dec - 09 Dec Peach direct
23 Dec - 07 Jan Peach direct
08 Dec - 22 Dec Eastar Jet direct
06 Dec - 22 Dec Eastar Jet direct
04 Dec - 22 Dec Eastar Jet direct
03 Dec - 22 Dec Eastar Jet direct
02 Dec - 22 Dec Eastar Jet direct
07 Dec - 13 Dec Peach direct
23 Dec - 11 Jan Jin Air direct
23 Dec - 05 Jan Jin Air direct
16 Dec - 05 Jan Eastar Jet direct
23 Dec - 02 Jan Jin Air direct
14 Dec - 02 Jan Eastar Jet direct
13 Dec - 02 Jan Eastar Jet direct
16 Dec - 02 Jan Eastar Jet direct
21 Dec - 11 Jan Eastar Jet direct
21 Dec - 05 Jan Eastar Jet 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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