Cheapest one-way flights from Seoul to Osaka in January from $80

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

One-Way flights

18 Jan Peach direct
06 Jan Jeju Air direct
28 Jan Jeju Air direct
07 Jan Jeju Air direct
14 Jan Jeju Air direct
22 Jan Jeju Air direct
19 Jan Jeju Air direct
05 Jan Jeju Air direct
12 Jan Jeju Air direct
08 Jan Jeju Air direct

Also check the deals for return flights from Seoul to Osaka in January.

Skyscanner

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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