Cheapest return GMP–IST flights, August

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

Return flights

26 Aug - 11 Sep Air China
25 Aug - 01 Sep Air China
28 Aug - 03 Sep Air China
25 Aug - 31 Aug Air China
31 Aug - 05 Sep Air China
18 Aug - 25 Aug Air China
22 Aug - 01 Sep Air China
22 Aug - 31 Aug Air China
18 Aug - 29 Aug Air China
16 Aug - 22 Aug Air China
19 Aug - 28 Aug Air China
21 Aug - 28 Aug Air China
20 Aug - 28 Aug Air China
24 Aug - 29 Aug Air China
30 Aug - 12 Sep Air China
20 Aug - 27 Aug Air China
31 Aug - 10 Sep China Southern
31 Aug - 08 Sep China Southern
26 Aug - 03 Sep China Southern
09 Aug - 19 Sep China Southern

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

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