Cheapest return flights from Seoul to Istanbul in August from $605

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

Return flights

01 Aug - 08 Aug China Eastern
24 Aug - 30 Aug Air China
30 Aug - 05 Sep Air China
12 Aug - 23 Aug Air China
15 Aug - 22 Aug Air China
15 Aug - 23 Aug Air China
15 Aug - 25 Aug Air China
06 Aug - 04 Sep China Southern
27 Aug - 04 Sep China Southern
12 Aug - 25 Aug Air China
06 Aug - 28 Aug China Southern
06 Aug - 02 Sep China Southern
27 Aug - 11 Sep China Southern
27 Aug - 02 Sep China Southern
20 Aug - 28 Aug China Southern
04 Aug - 28 Aug China Southern
20 Aug - 02 Sep China Southern
01 Aug - 06 Sep China Southern
04 Aug - 06 Sep China Southern
06 Aug - 06 Sep China Southern

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