Cheapest return flights from Seoul to Osaka in December from $253

Best time to book flights for Seoul (GMP) to Osaka (KIX) flights at AirHint

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

Return flights

03 Dec - 06 Dec Asiana Airlines direct
11 Dec - 18 Dec Asiana Airlines direct
22 Dec - 24 Dec Asiana Airlines direct
01 Dec - 04 Dec Asiana Airlines direct
01 Dec - 03 Dec Asiana Airlines direct
07 Dec - 09 Dec Asiana Airlines direct
07 Dec - 10 Dec Asiana Airlines direct
06 Dec - 08 Dec Asiana Airlines direct
04 Dec - 04 Dec Asiana Airlines direct
09 Dec - 23 Dec Asiana Airlines direct
21 Dec - 06 Jan Asiana Airlines direct
29 Dec - 02 Jan Asiana Airlines direct
20 Dec - 04 Jan Asiana Airlines direct
31 Dec - 04 Jan Asiana Airlines direct
25 Dec - 03 Jan Asiana Airlines direct
31 Dec - 03 Jan Asiana Airlines direct
20 Dec - 03 Jan Asiana Airlines 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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