Cheapest return flights from Seoul to Istanbul in August from 433€

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

Return flights

18 Aug - 26 Aug China Southern
27 Aug - 02 Sep China Southern
11 Aug - 26 Aug China Southern
13 Aug - 26 Aug China Southern
20 Aug - 28 Aug China Southern
22 Aug - 26 Aug China Southern
22 Aug - 28 Aug China Southern
20 Aug - 26 Aug China Southern
22 Aug - 02 Sep China Southern
22 Aug - 04 Sep China Southern
27 Aug - 04 Sep China Southern
20 Aug - 09 Sep China Southern
25 Aug - 02 Sep China Southern
25 Aug - 06 Sep China Southern
25 Aug - 04 Sep China Southern
06 Aug - 28 Aug China Southern
29 Aug - 06 Sep China Southern
29 Aug - 09 Sep China Southern
26 Aug - 27 Aug Air China
24 Aug - 29 Aug Air China

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.

Book a cheap hotel in Istanbul

Cheap car rent in Istanbul

Feel free to contact us with any feedback or request another flight research.