Cheapest return flights from Seoul to Osaka in August from $145

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

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

Return flights

10 Aug - 11 Aug Jeju Air direct
26 Aug - 31 Aug Jeju Air direct
23 Aug - 27 Aug Jeju Air direct
28 Aug - 31 Aug Jeju Air direct
21 Aug - 27 Aug Jeju Air direct
23 Aug - 26 Aug Jeju Air direct
30 Aug - 01 Sep Jeju Air direct
23 Aug - 02 Sep Jeju Air direct
29 Aug - 02 Sep Jeju Air direct
30 Aug - 09 Sep Jeju Air direct
08 Aug - 11 Aug Jeju Air direct
27 Aug - 03 Sep Jeju Air direct
22 Aug - 25 Aug Jeju Air direct
22 Aug - 26 Aug Jeju Air direct
09 Aug - 11 Aug Jeju Air direct
27 Aug - 01 Sep Jeju Air direct
28 Aug - 29 Sep Jeju Air direct
25 Aug - 03 Sep Jeju Air direct
28 Aug - 03 Sep Jeju Air direct
29 Aug - 05 Sep Jeju Air direct

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

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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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