Cheapest return flights from Seoul to Istanbul in August from $598

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

Return flights

31 Aug - 07 Sep China Southern
16 Aug - 24 Aug China Southern
18 Aug - 11 Sep Air China
07 Aug - 15 Aug China Southern
07 Aug - 13 Aug China Southern
14 Aug - 23 Aug China Southern
15 Aug - 23 Aug China Southern
07 Aug - 18 Aug China Southern
17 Aug - 31 Aug China Southern
14 Aug - 18 Aug China Southern
07 Aug - 17 Aug China Southern
06 Aug - 10 Aug China Southern
23 Aug - 03 Sep China Southern
24 Aug - 03 Sep China Southern
27 Aug - 03 Sep Qatar Airways
25 Aug - 08 Sep Qatar Airways
29 Aug - 04 Sep Singapore Airlines
18 Aug - 05 Sep Qatar Airways
31 Aug - 10 Sep Emirates
29 Aug - 05 Sep Qatar Airways

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

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