Cheapest return flights from Seoul to Osaka in August from $119

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

Return flights

23 Aug - 25 Aug Jeju Air direct
30 Aug - 24 Sep Jeju Air direct
30 Aug - 01 Sep Jeju Air direct
24 Aug - 03 Sep Jeju Air direct
09 Aug - 31 Aug Jeju Air direct
10 Aug - 16 Aug Jeju Air direct
05 Aug - 29 Aug Jeju Air direct
08 Aug - 15 Aug Jeju Air direct
22 Aug - 24 Aug Jeju Air direct
23 Aug - 31 Aug Jeju Air direct
06 Aug - 15 Aug Jeju Air direct
09 Aug - 24 Aug Jeju Air direct
11 Aug - 16 Aug Jeju Air direct
30 Aug - 03 Sep Jeju Air direct
27 Aug - 04 Sep Jeju Air direct
31 Aug - 03 Sep Jeju Air direct
31 Aug - 04 Sep Jeju Air direct
29 Aug - 01 Sep Jeju Air direct
30 Aug - 02 Sep Jeju Air direct
12 Aug - 02 Sep Jeju Air direct

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

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.