Cheapest return flights from Osaka to Seoul in December from 125€

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

Return flights

18 Dec - 23 Dec Peach direct
17 Dec - 23 Dec Eastar Jet direct
17 Dec - 24 Dec Eastar Jet direct
19 Dec - 23 Dec Jeju Air direct
10 Dec - 23 Dec Jin Air direct
18 Dec - 22 Dec Peach direct
09 Dec - 18 Dec T'way Air direct
18 Dec - 24 Dec Eastar Jet direct
17 Dec - 27 Dec Eastar Jet direct
17 Dec - 26 Dec Eastar Jet direct
23 Dec - 14 Jan Peach direct
18 Dec - 01 Jan Jin Air direct
17 Dec - 02 Jan Jin Air direct
10 Dec - 01 Jan Jin Air direct
23 Dec - 07 Jan Peach direct
23 Dec - 13 Jan Asiana Airlines direct
24 Dec - 01 Jan Asiana Airlines direct
23 Dec - 01 Jan Asiana Airlines direct
23 Dec - 02 Jan Jin Air direct
24 Dec - 29 Jan Jin 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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