Cheapest return flights from Seoul to Osaka in January from $150

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

Return flights

29 Jan - 05 Feb Peach direct
23 Jan - 26 Jan Peach direct
12 Jan - 15 Jan Peach direct
06 Jan - 28 Jan Jeju Air direct
27 Jan - 29 Jan Jeju Air direct
13 Jan - 21 Jan Jeju Air direct
06 Jan - 14 Jan Jeju Air direct
20 Jan - 28 Jan Jeju Air direct
20 Jan - 21 Jan Jeju Air direct
06 Jan - 08 Jan Jeju Air direct
20 Jan - 04 Feb Jeju Air direct
13 Jan - 20 Jan Jeju Air direct
28 Jan - 11 Feb Jeju Air direct
27 Jan - 06 Feb Jeju Air direct
30 Jan - 02 Feb Korean Air direct
31 Jan - 03 Feb Korean Air direct
27 Jan - 01 Feb Jeju Air direct
28 Jan - 01 Feb Korean Air direct
30 Jan - 01 Feb Korean Air direct
26 Jan - 01 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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