Cheapest return flights from Seoul to Osaka in September from 81€

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

Return flights

02 Sep - 06 Sep Jeju Air direct
09 Sep - 11 Sep Jeju Air direct
07 Sep - 11 Sep Jeju Air direct
08 Sep - 11 Sep Jeju Air direct
10 Sep - 11 Sep Jeju Air direct
04 Sep - 11 Sep Jeju Air direct
02 Sep - 03 Sep Jeju Air direct
04 Sep - 10 Sep Jeju Air direct
08 Sep - 14 Sep Jeju Air direct
02 Sep - 09 Sep Jeju Air direct
27 Sep - 01 Oct Peach direct
27 Sep - 02 Oct Jeju Air direct
28 Sep - 01 Oct Jeju Air direct
29 Sep - 03 Oct Jeju Air direct
30 Sep - 03 Oct Jeju Air direct
29 Sep - 17 Oct Asiana Airlines direct
30 Sep - 04 Oct Jeju Air direct
27 Sep - 03 Oct Asiana Airlines direct
28 Sep - 03 Oct Asiana Airlines direct
15 Sep - 22 Oct Asiana Airlines direct

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

Book a cheap hotel in Osaka

Cheap car rent in Osaka

Feel free to contact us with any feedback or request another flight research.