Cheapest return flights from Seoul to Osaka in December from 150€

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

Return flights

08 Dec - 15 Dec Asiana Airlines direct
08 Dec - 13 Dec Asiana Airlines direct
02 Dec - 05 Dec Asiana Airlines direct
09 Dec - 16 Dec Asiana Airlines direct
07 Dec - 13 Dec Asiana Airlines direct
06 Dec - 10 Dec Asiana Airlines direct
08 Dec - 10 Dec Asiana Airlines direct
05 Dec - 09 Dec Asiana Airlines direct
08 Dec - 16 Dec Asiana Airlines direct
01 Dec - 10 Dec Asiana Airlines direct
01 Dec - 31 Jan Asiana Airlines direct
30 Dec - 06 Jan Jeju Air direct
02 Dec - 02 Jan Asiana Airlines direct
30 Dec - 02 Jan Jeju Air direct
23 Dec - 01 Jan Jeju Air direct
31 Dec - 01 Jan Jeju Air direct
24 Dec - 03 Jan Jeju Air direct
27 Dec - 01 Jan Jeju Air direct
31 Dec - 03 Jan Jeju Air direct
31 Dec - 04 Jan Jeju Air direct

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