Cheapest return flights from Osaka to Seoul in August from $120

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

Return flights

25 Aug - 31 Aug Eastar Jet direct
25 Aug - 01 Sep Eastar Jet direct
25 Aug - 27 Aug Peach direct
20 Aug - 03 Sep Peach direct
25 Aug - 02 Sep Eastar Jet direct
25 Aug - 09 Sep Eastar Jet direct
18 Aug - 31 Aug Eastar Jet direct
26 Aug - 31 Aug Eastar Jet direct
18 Aug - 01 Sep Eastar Jet direct
26 Aug - 01 Sep Eastar Jet direct
25 Aug - 15 Sep Eastar Jet direct
19 Aug - 31 Aug Eastar Jet direct
19 Aug - 01 Sep Eastar Jet direct
25 Aug - 26 Aug Eastar Jet direct
26 Aug - 30 Aug Peach direct
20 Aug - 31 Aug Eastar Jet direct
20 Aug - 01 Sep Eastar Jet direct
25 Aug - 10 Sep Eastar Jet direct
21 Aug - 31 Aug Eastar Jet direct
10 Aug - 31 Aug 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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