Cheapest return flights from Osaka to Seoul in January from $158

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

Return flights

15 Jan - 17 Feb Jeju Air direct
14 Jan - 21 Jan Jeju Air direct
21 Jan - 17 Feb Jeju Air direct
13 Jan - 21 Jan Jin Air direct
13 Jan - 14 Jan Jeju Air direct
13 Jan - 05 Feb Jeju Air direct
15 Jan - 21 Jan Jeju Air direct
21 Jan - 18 Feb Jeju Air direct
25 Jan - 27 Jan T'way Air direct
13 Jan - 16 Jan T'way Air direct
21 Jan - 19 Feb Jeju Air direct
28 Jan - 04 Feb T'way Air direct
12 Jan - 16 Jan T'way Air direct
12 Jan - 14 Jan Jeju Air direct
15 Jan - 21 Feb Jin Air direct
13 Jan - 22 Jan Jeju Air direct
14 Jan - 15 Jan Jeju Air direct
22 Jan - 19 Feb Jeju Air direct
13 Jan - 06 Feb Jin Air direct
21 Jan - 03 Feb Jeju Air direct

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