Cheapest return flights from Osaka to Seoul in December from 203€

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

Return flights

31 Dec - 02 Jan Peach direct
31 Dec - 01 Jan Jeju Air direct
31 Dec - 14 Jan Jeju Air direct
31 Dec - 07 Jan Peach direct
31 Dec - 05 Jan Peach direct
31 Dec - 21 Jan Eastar Jet direct
31 Dec - 11 Jan Jeju Air direct
31 Dec - 17 Jan Eastar Jet direct
31 Dec - 20 Jan Eastar Jet direct
31 Dec - 18 Jan Eastar Jet direct
27 Dec - 29 Dec Jeju Air direct
28 Dec - 29 Dec Jeju Air direct
28 Dec - 30 Dec Jeju Air direct
27 Dec - 30 Dec Jeju Air direct
30 Dec - 31 Dec Jin Air direct
27 Dec - 27 Dec Jeju Air direct
28 Dec - 28 Dec Korean Air direct
28 Dec - 31 Dec Korean Air direct
30 Dec - 30 Dec Asiana Airlines 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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