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

Return flights

15 Jul - 19 Aug	Etihad Airways
15 Jul - 21 Jul	Air China
15 Jul - 26 Jul	Air China
24 Jul - 02 Aug	Air China
16 Jul - 29 Jul	Emirates
07 Jul - 24 Jul	Emirates
09 Jul - 22 Jul	Emirates
16 Jul - 22 Jul	Emirates
07 Jul - 22 Jul	Emirates
09 Jul - 15 Jul	Emirates
14 Jul - 24 Jul	Emirates
14 Jul - 17 Jul	Emirates
14 Jul - 19 Aug	Emirates
07 Jul - 05 Aug	Emirates
07 Jul - 26 Aug	Emirates
16 Jul - 26 Aug	Emirates
16 Jul - 19 Aug	Emirates
16 Jul - 27 Aug	Emirates
07 Jul - 20 Aug	Emirates
14 Jul - 18 Aug	Emirates

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

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 Seoul to Istanbul in July from $529

Return flights