Cheapest return flights from Seoul to Osaka in January from $162

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

Return flights

27 Jan - 12 Feb Peach direct
27 Jan - 01 Feb Peach direct
13 Jan - 22 Jan Peach direct
27 Jan - 03 Feb Peach direct
31 Jan - 04 Feb Peach direct
20 Jan - 23 Jan Peach direct
20 Jan - 26 Jan Peach direct
28 Jan - 01 Feb Jeju Air direct
07 Jan - 08 Jan Jeju Air direct
01 Jan - 08 Jan Jeju Air direct
23 Jan - 26 Jan Peach direct
21 Jan - 14 Feb Jeju Air direct
28 Jan - 04 Feb Jeju Air direct
21 Jan - 24 Jan Air Seoul, Inc direct
02 Jan - 08 Jan Jeju Air direct
17 Jan - 21 Jan Peach direct
02 Jan - 07 Jan Jeju Air direct
31 Jan - 15 Feb Jeju Air direct
22 Jan - 14 Feb Jeju Air direct
28 Jan - 03 Feb Jeju Air direct

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

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