Cheapest return flights from Osaka to Seoul in September from $92

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

Return flights

11 Sep - 16 Sep Peach direct
05 Sep - 08 Sep Peach direct
05 Sep - 09 Sep Peach direct
09 Sep - 14 Sep Peach direct
03 Sep - 17 Sep Peach direct
01 Sep - 02 Sep Peach direct
04 Sep - 08 Sep Peach direct
11 Sep - 14 Sep Peach direct
15 Sep - 19 Sep Peach direct
19 Sep - 23 Sep Peach direct
23 Sep - 11 Oct Peach direct
27 Sep - 14 Oct Peach direct
30 Sep - 11 Oct Jin Air direct
30 Sep - 10 Oct Jin Air direct
19 Sep - 10 Oct Jin Air direct
29 Sep - 11 Oct Eastar Jet direct
29 Sep - 10 Oct Eastar Jet direct
30 Sep - 15 Oct Jin Air direct
29 Sep - 15 Oct Eastar Jet direct
24 Sep - 11 Oct Jin Air direct

Also check the deals for one-way 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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