Cheapest one-way flights from Seoul to Osaka in September from $169

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

One-Way flights

03 Sep Korean Air
06 Sep Korean Air direct
03 Sep Korean Air direct
15 Sep Asiana Airlines direct
16 Sep Asiana Airlines direct
22 Sep Korean Air direct
27 Sep Korean Air direct
26 Sep Korean Air direct
23 Sep Japan Airlines direct

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

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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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