Cheapest return flights from Osaka to Seoul in September from $178

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

Return flights

24 Sep - 01 Oct Peach direct
10 Sep - 15 Sep Korean Air direct
30 Sep - 05 Oct Korean Air direct
16 Sep - 17 Sep Korean Air direct
22 Sep - 26 Sep Korean Air direct
07 Sep - 09 Sep Korean Air direct
01 Sep - 05 Sep Korean Air direct
12 Sep - 19 Sep Korean Air direct
12 Sep - 14 Sep Korean Air direct
11 Sep - 18 Sep Korean Air direct
30 Sep - 08 Oct Asiana Airlines direct
05 Sep - 10 Sep Korean Air direct
20 Sep - 22 Sep Asiana Airlines 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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