Cheapest one-way flights from Seoul to Osaka in September from $175

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

One-Way flights

20 Sep Asiana Airlines direct
14 Sep Asiana Airlines direct
22 Sep Asiana Airlines direct
21 Sep Asiana Airlines direct
08 Sep Asiana Airlines direct
10 Sep Asiana Airlines direct
29 Sep Asiana Airlines direct
16 Sep Asiana Airlines direct
01 Sep Asiana Airlines direct
19 Sep Asiana 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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