Cheapest return flights from Osaka to Seoul in August from $136

AirHint found the following cheapest return flights from Osaka (KIX) to Seoul (ICN) in August 2026 (see full year).

Return flights

20 Aug - 27 Aug Peach direct
31 Aug - 08 Sep Jeju Air direct
26 Aug - 02 Sep Jeju Air direct
26 Aug - 03 Sep Jeju Air direct
27 Aug - 03 Sep Jeju Air direct
31 Aug - 07 Sep Jeju Air direct
26 Aug - 01 Sep Jeju Air direct
19 Aug - 26 Aug Jeju Air direct
27 Aug - 31 Aug Jeju Air direct
25 Aug - 31 Aug Jeju Air direct
24 Aug - 26 Aug Jeju Air direct
05 Aug - 12 Aug Jeju Air direct
18 Aug - 20 Aug Jeju Air direct
24 Aug - 27 Aug Jeju Air direct
21 Aug - 24 Aug Jeju Air direct
13 Aug - 20 Aug Jeju Air direct
26 Aug - 09 Sep Eastar Jet direct
30 Aug - 01 Sep Jeju Air direct
26 Aug - 15 Sep Eastar Jet direct
26 Aug - 16 Sep Eastar Jet direct

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