Cheapest return flights from Osaka to Seoul in September from 90€

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

Return flights

04 Sep - 08 Sep Peach direct
03 Sep - 17 Sep Peach direct
03 Sep - 07 Sep Peach direct
01 Sep - 08 Sep Peach direct
08 Sep - 10 Sep Peach direct
01 Sep - 20 Oct Peach direct
25 Sep - 28 Sep Peach direct
25 Sep - 30 Sep Peach direct
27 Sep - 28 Sep Peach direct
08 Sep - 15 Sep Peach
08 Sep - 15 Sep Peach direct
23 Sep - 21 Oct Jeju Air direct
28 Sep - 01 Oct Korean Air direct
28 Sep - 07 Oct Korean Air direct
27 Sep - 01 Oct Korean Air direct
30 Sep - 02 Oct Jeju Air direct
29 Sep - 02 Oct Jeju Air direct
12 Sep - 20 Oct Korean Air direct
22 Sep - 02 Oct Korean Air direct
28 Sep - 05 Oct Air China

Also check the deals for one-way 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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