Cheapest return flights from Seoul to Osaka in August from $71

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

Return flights

20 Aug - 27 Aug Air Seoul, Inc direct
19 Aug - 21 Aug Air Seoul, Inc direct
27 Aug - 29 Aug Air Seoul, Inc direct
20 Aug - 22 Aug Air Seoul, Inc direct
19 Aug - 22 Aug Air Seoul, Inc direct
07 Aug - 14 Aug Aero K Airlines direct
26 Aug - 28 Aug Air Seoul, Inc direct
19 Aug - 29 Aug Air Seoul, Inc direct
30 Aug - 01 Sep Air Seoul, Inc direct
02 Aug - 27 Aug Eastar Jet direct
21 Aug - 26 Aug Air Seoul, Inc direct
29 Aug - 01 Sep Air Seoul, Inc direct
26 Aug - 02 Sep Eastar Jet direct
20 Aug - 03 Sep Eastar Jet direct
19 Aug - 03 Sep Eastar Jet direct
18 Aug - 03 Sep Eastar Jet direct
26 Aug - 03 Sep Eastar Jet direct
30 Aug - 04 Sep Eastar Jet direct
31 Aug - 02 Sep Air Busan direct
25 Aug - 03 Sep Jin 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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