Cheapest return flights from Seoul to Osaka in August from 91€

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

Return flights

19 Aug - 04 Sep Peach direct
31 Aug - 04 Sep Jeju Air direct
31 Aug - 01 Sep Jeju Air direct
31 Aug - 02 Sep Jeju Air direct
20 Aug - 27 Aug Peach direct
31 Aug - 11 Sep Jeju Air direct
29 Aug - 01 Sep Peach direct
28 Aug - 03 Sep Jeju Air direct
30 Aug - 31 Aug Peach direct
26 Aug - 29 Aug Peach direct
28 Aug - 29 Aug Jeju Air direct
29 Aug - 31 Aug Peach direct
28 Aug - 31 Aug Jeju Air direct
27 Aug - 01 Sep Peach direct
27 Aug - 30 Aug Eastar Jet
21 Aug - 29 Aug Peach direct
19 Aug - 29 Aug Jeju Air direct
27 Aug - 31 Aug Peach direct
31 Aug - 07 Sep Jeju Air direct
31 Aug - 03 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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