Cheapest return flights from Seoul to Istanbul in September from $492

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

Return flights

09 Sep - 23 Sep MIAT Mongolian Airlines
01 Sep - 24 Sep China Southern
01 Sep - 19 Sep China Southern
11 Sep - 21 Sep Air China
10 Sep - 24 Sep China Eastern
04 Sep - 09 Sep Etihad Airways
02 Sep - 04 Sep Etihad Airways
09 Sep - 18 Sep Etihad Airways
04 Sep - 08 Sep Etihad Airways
02 Sep - 09 Sep Etihad Airways
08 Sep - 01 Oct Emirates
25 Sep - 14 Oct MIAT Mongolian Airlines
01 Sep - 16 Oct Emirates
16 Sep - 21 Oct Etihad Airways
23 Sep - 25 Oct Etihad Airways
23 Sep - 04 Oct Etihad Airways
22 Sep - 02 Oct Emirates
19 Sep - 03 Oct Emirates
20 Sep - 04 Oct Etihad Airways
15 Sep - 31 Oct Qatar Airways

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

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.

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