Cheapest return flights from Istanbul to Seoul in August from $465

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

Return flights

25 Aug - 01 Sep Turkmenistan Airlines
31 Aug - 09 Sep MIAT Mongolian Airlines
26 Aug - 16 Sep MIAT Mongolian Airlines
26 Aug - 09 Sep MIAT Mongolian Airlines
25 Aug - 02 Sep MIAT Mongolian Airlines
27 Aug - 02 Sep IndiGo
22 Aug - 30 Aug Etihad Airways
19 Aug - 25 Aug Etihad Airways
20 Aug - 26 Aug Etihad Airways
25 Aug - 31 Aug Etihad Airways
28 Aug - 31 Aug Etihad Airways
20 Aug - 29 Aug Etihad Airways
21 Aug - 25 Aug Etihad Airways
26 Aug - 31 Aug Etihad Airways
19 Aug - 23 Aug Etihad Airways
21 Aug - 24 Aug Etihad Airways
06 Aug - 01 Sep Pegasus Airlines
28 Aug - 04 Sep MIAT Mongolian Airlines
24 Aug - 01 Sep MIAT Mongolian Airlines
29 Aug - 05 Sep China Southern

Also check the deals for one-way flights from Istanbul 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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