Cheapest one-way flights from Osaka to Seoul in September from $49

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

One-Way flights

26 Sep Eastar Jet direct
27 Sep Eastar Jet direct
30 Sep Eastar Jet direct
25 Sep Eastar Jet direct
29 Sep Jeju Air direct
24 Sep Eastar Jet direct
23 Sep Eastar Jet direct
22 Sep Jeju Air direct
19 Sep Jeju Air direct
20 Sep Jeju Air 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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