AirHint found the following cheapest one-way flights from Seoul (ICN) to Istanbul (IST) in August 2025 (see full year).

One-Way flights

25 Aug	MIAT Mongolian Airlines
26 Aug	Etihad Airways
21 Aug	Etihad Airways
19 Aug	Etihad Airways
22 Aug	Centrum Air
29 Aug	Centrum Air
16 Aug	China Eastern
17 Aug	China Eastern
28 Aug	Sichuan Airlines
27 Aug	China Eastern

Also check the deals for return flights from Seoul to Istanbul 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.

Book a cheap hotel in Istanbul

Cheap car rent in Istanbul

Cheapest one-way flights from Seoul to Istanbul in August from 234€

One-Way flights