Cheapest return flights from Seoul to Osaka in September from 121€

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

Return flights

03 Sep - 07 Sep Jeju Air direct
10 Sep - 15 Sep Jeju Air direct
09 Sep - 16 Sep Jeju Air direct
02 Sep - 03 Sep Jeju Air direct
02 Sep - 09 Sep Jeju Air direct
02 Sep - 07 Sep Jeju Air direct
01 Sep - 02 Sep Jeju Air direct
08 Sep - 15 Sep Jeju Air direct
08 Sep - 09 Sep Jeju Air direct
08 Sep - 29 Sep Jeju Air direct
29 Sep - 01 Oct Jeju Air direct
30 Sep - 06 Oct Jeju Air direct
27 Sep - 02 Oct Jeju Air direct
27 Sep - 03 Oct Jeju Air direct
21 Sep - 06 Oct Jeju Air direct
30 Sep - 04 Oct Jeju Air direct
22 Sep - 10 Oct Korean Air direct

Also check the deals for one-way flights from Seoul to Osaka in September.

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