Cheapest one-way flights from Osaka to Seoul in September from $47

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

One-Way flights

01 Sep Jeju Air direct
20 Sep Jeju Air direct
10 Sep Jeju Air direct
06 Sep Jeju Air direct
05 Sep Jeju Air direct
02 Sep Jeju Air direct
03 Sep Jeju Air direct
30 Sep Jeju Air direct
04 Sep Eastar Jet direct
09 Sep Peach direct

Also check the deals for return flights from Osaka to Seoul 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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