Cheapest one-way flights from Seoul to Osaka in January from $87

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

One-Way flights

29 Jan Jeju Air direct
28 Jan Jeju Air direct
17 Jan Peach direct
13 Jan Peach direct
16 Jan Korean Air direct
15 Jan Asiana Airlines direct
10 Jan Peach direct
24 Jan Asiana Airlines direct
14 Jan Korean Air direct
20 Jan Asiana Airlines direct

Also check the deals for return 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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