Cheapest one-way flights from Osaka to Seoul in September from $71

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

One-Way flights

01 Sep Jeju Air direct
03 Sep Jeju Air direct
07 Sep Jeju Air direct
10 Sep Jeju Air direct
29 Sep Jeju Air direct
04 Sep Jeju Air direct
13 Sep Jin Air direct
06 Sep Jeju Air direct
25 Sep Jeju Air direct
26 Sep Eastar Jet direct

Also check the deals for return flights from Osaka to Seoul 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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