Cheapest return flights from Seoul to Osaka in December from $260

AirHint found the following cheapest return flights from Seoul (GMP) to Osaka (KIX) in December 2026 (see full year).

Return flights

10 Dec - 14 Dec Korean Air direct
05 Dec - 17 Dec Korean Air direct
04 Dec - 17 Dec Korean Air direct
07 Dec - 10 Dec Korean Air direct
04 Dec - 09 Dec Korean Air direct
29 Dec - 05 Jan Korean Air direct
29 Dec - 06 Jan Korean Air direct
30 Dec - 06 Jan Korean Air direct
30 Dec - 07 Jan Korean Air direct
10 Dec - 19 Dec Korean Air direct
02 Dec - 08 Dec Korean Air direct
06 Dec - 16 Dec Korean Air direct
03 Dec - 07 Dec Korean Air direct
13 Dec - 17 Dec Korean Air direct
28 Dec - 04 Jan Korean Air direct
28 Dec - 05 Jan Korean Air direct
27 Dec - 04 Jan Korean Air direct
29 Dec - 02 Jan Korean Air direct
31 Dec - 07 Jan Korean Air direct
31 Dec - 08 Jan Asiana Airlines direct

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

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