Cheapest return flights from Seoul to Osaka in August from $141

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

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

Return flights

26 Aug - 02 Sep Peach direct
11 Aug - 20 Aug Jeju Air direct
11 Aug - 18 Aug Jeju Air direct
12 Aug - 19 Aug Jeju Air direct
19 Aug - 28 Aug Peach direct
10 Aug - 20 Aug Jeju Air direct
24 Aug - 27 Aug Jeju Air direct
24 Aug - 28 Aug Jeju Air direct
19 Aug - 22 Aug Jeju Air direct
13 Aug - 18 Aug Jeju Air direct
31 Aug - 03 Sep Jeju Air direct
19 Aug - 23 Aug Jeju Air direct
30 Aug - 02 Sep Jeju Air direct
30 Aug - 03 Sep Jeju Air direct
28 Aug - 10 Sep T'way Air direct
28 Aug - 04 Sep T'way Air direct
28 Aug - 03 Sep T'way Air direct
24 Aug - 09 Sep Jin Air direct
24 Aug - 07 Sep Jin Air direct
24 Aug - 08 Sep Jin Air direct

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

Skyscanner

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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