Cheapest return flights from Osaka to Seoul in August from $146

Best time to book flights for Osaka (KIX) to Seoul (ICN) flights at AirHint

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

Return flights

19 Aug - 21 Aug Peach direct
13 Aug - 17 Aug Jeju Air direct
25 Aug - 03 Sep Jin Air direct
25 Aug - 02 Sep Jin Air direct
31 Aug - 03 Sep Jin Air direct
31 Aug - 02 Sep Jin Air direct
22 Aug - 27 Aug Peach direct
05 Aug - 07 Aug Peach direct
25 Aug - 10 Sep Jin Air direct
25 Aug - 15 Sep Jin Air direct
25 Aug - 08 Sep Jin Air direct
31 Aug - 10 Sep Jin Air direct
31 Aug - 15 Sep Jin Air direct
31 Aug - 08 Sep Jin Air direct
18 Aug - 20 Aug Jeju Air direct
06 Aug - 09 Aug Peach direct
06 Aug - 07 Aug Peach direct
25 Aug - 27 Aug Jin Air direct
05 Aug - 20 Aug Jin Air direct
07 Aug - 20 Aug Jin Air 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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