Cheapest return flights from Seoul to Osaka in January from $123

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

Return flights

20 Jan - 22 Jan Peach direct
14 Jan - 19 Jan Peach direct
06 Jan - 13 Jan Jeju Air
06 Jan - 13 Jan Asiana Airlines direct
20 Jan - 28 Jan Jeju Air direct
27 Jan - 28 Jan Jeju Air direct
27 Jan - 03 Feb Jeju Air direct
21 Jan - 28 Jan Jeju Air direct
07 Jan - 14 Jan Jeju Air direct
28 Jan - 04 Feb Jeju Air direct
20 Jan - 27 Jan Jeju Air direct
27 Jan - 29 Jan Jeju Air direct
26 Jan - 03 Feb Korean Air direct
31 Jan - 11 Feb Korean Air direct
28 Jan - 10 Feb Korean Air direct
31 Jan - 01 Feb Korean Air direct
30 Jan - 05 Feb Korean Air direct
28 Jan - 03 Feb Korean Air direct
28 Jan - 01 Feb Korean Air direct
16 Jan - 06 Feb Korean Air direct

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

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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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