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

Return flights

26 Aug - 08 Sep	Air Arabia
30 Aug - 02 Sep	Flynas
28 Aug - 11 Sep	Flynas
30 Aug - 07 Sep	flyadeal
25 Aug - 22 Sep	Pegasus Airlines
25 Aug - 07 Sep	Pegasus Airlines
27 Aug - 30 Aug	flyadeal
31 Aug - 07 Sep	AJet
28 Aug - 07 Sep	Flynas
31 Aug - 01 Sep	Air Arabia Abu Dhabi
26 Aug - 30 Aug	Pegasus Airlines
25 Aug - 08 Sep	Flynas
19 Aug - 26 Aug	Air Arabia
30 Aug - 31 Aug	Flynas
25 Aug - 29 Aug	Pegasus Airlines
18 Aug - 23 Aug	Pegasus Airlines
21 Aug - 28 Aug	Air Arabia
25 Aug - 30 Aug	Air Arabia
19 Aug - 30 Aug	Pegasus Airlines
25 Aug - 26 Aug	Air Arabia

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

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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Cheapest return flights from Istanbul to Seoul in August from 611€

Return flights