Cheapest one-way flights from Seoul to Osaka in September from $45

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

One-Way flights

17 Sep Air Seoul, Inc direct
29 Sep Jin Air direct
20 Sep Eastar Jet direct
21 Sep Peach direct
24 Sep Air Seoul, Inc direct
22 Sep Eastar Jet direct
27 Sep Eastar Jet direct
28 Sep Air Seoul, Inc direct
19 Sep Jin Air direct
25 Sep Eastar Jet 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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