Cheapest one-way flights from Seoul to Istanbul in September from $285

AirHint found the following cheapest one-way flights from Seoul (ICN) to Istanbul (IST) in September 2026 (see full year).

One-Way flights

01 Sep Etihad Airways
12 Sep AirAsia X
16 Sep China Southern
25 Sep Air Astana
22 Sep Air Astana
19 Sep Air Astana
26 Sep China Southern
01 Sep Turkish Airlines direct
13 Sep Turkish Airlines direct
26 Sep Korean Air direct

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

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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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