Cheapest return flights from Seoul to Osaka in January from $100

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

Return flights

25 Jan - 28 Jan Peach direct
26 Jan - 29 Jan Peach direct
25 Jan - 29 Jan Peach direct
22 Jan - 25 Jan Peach direct
14 Jan - 28 Jan Peach direct
16 Jan - 18 Jan Peach direct
18 Jan - 21 Jan Peach direct
27 Jan - 01 Feb Peach direct
24 Jan - 31 Jan Peach direct
28 Jan - 04 Feb Peach direct
26 Jan - 01 Feb Peach direct
06 Jan - 13 Jan Peach direct
08 Jan - 15 Jan Peach direct
27 Jan - 03 Feb Jeju Air direct
29 Jan - 03 Feb Jeju Air direct
30 Jan - 03 Feb Jeju Air direct
30 Jan - 05 Feb Jeju Air direct
29 Jan - 02 Feb Jeju Air direct
26 Jan - 04 Feb Eastar Jet direct
26 Jan - 12 Feb Eastar Jet 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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