Cheapest one-way flights from Seoul to Osaka in September from 24€

AirHint found the following cheapest one-way flights from Seoul (ICN) to Osaka (KIX) in September 2025 (see full year).

One-Way flights

01 Sep Aero K Airlines direct
02 Sep Aero K Airlines direct
10 Sep Aero K Airlines direct
08 Sep Aero K Airlines direct
06 Sep Air Seoul, Inc direct
18 Sep Air Seoul, Inc direct
17 Sep Air Busan direct
22 Sep Jeju Air direct
14 Sep Jeju Air direct
04 Sep Jeju Air direct

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

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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