Cheapest return flights from Osaka to Seoul in August from $98

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

Return flights

30 Aug - 31 Aug Peach direct
19 Aug - 31 Aug Peach direct
28 Aug - 01 Sep Peach direct
29 Aug - 09 Sep Eastar Jet direct
29 Aug - 08 Sep Eastar Jet direct
29 Aug - 01 Sep Peach direct
26 Aug - 27 Aug Peach direct
06 Aug - 07 Aug Jeju Air direct
26 Aug - 28 Aug Peach direct
20 Aug - 22 Aug Peach direct
18 Aug - 02 Sep Peach direct
20 Aug - 09 Sep Jin Air direct
20 Aug - 08 Sep Jin Air direct
29 Aug - 31 Aug Peach direct
26 Aug - 30 Aug Peach direct
20 Aug - 24 Aug Peach direct
27 Aug - 09 Sep Eastar Jet direct
27 Aug - 08 Sep Eastar Jet direct
28 Aug - 09 Sep Eastar Jet direct
25 Aug - 28 Aug Peach 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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