Cheapest return flights from Osaka to Seoul in September from $137

Best time to book flights for Osaka (KIX) to Seoul (ICN) flights at AirHint

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

Return flights

09 Sep - 12 Sep Peach direct
15 Sep - 24 Sep Peach direct
09 Sep - 16 Sep Peach direct
01 Sep - 14 Sep T'way Air direct
01 Sep - 07 Sep T'way Air direct
24 Sep - 15 Oct Jin Air direct
29 Sep - 15 Oct Jin Air direct
12 Sep - 16 Sep T'way Air direct
22 Sep - 23 Sep Jin Air direct
18 Sep - 25 Sep T'way Air direct
02 Sep - 03 Sep Jin Air direct
16 Sep - 20 Sep Peach direct
29 Sep - 19 Oct Jin Air direct
25 Sep - 15 Oct Jin Air direct
28 Sep - 15 Oct Jin Air direct
30 Sep - 15 Oct Jin Air direct
24 Sep - 14 Oct Jin Air direct
29 Sep - 14 Oct Jin Air direct
23 Sep - 13 Oct Peach direct
29 Sep - 16 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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