Cheapest return flights from Seoul to Istanbul in October from $554

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

Return flights

14 Oct - 21 Oct MIAT Mongolian Airlines
16 Oct - 30 Oct MIAT Mongolian Airlines
16 Oct - 13 Nov MIAT Mongolian Airlines
16 Oct - 29 Oct Etihad Airways
23 Oct - 26 Oct Etihad Airways
16 Oct - 21 Oct Etihad Airways
15 Oct - 29 Oct Emirates
23 Oct - 28 Oct Etihad Airways
21 Oct - 28 Oct Etihad Airways
21 Oct - 26 Oct Etihad Airways
21 Oct - 27 Oct Etihad Airways
30 Oct - 02 Nov Etihad Airways
30 Oct - 06 Nov Etihad Airways
28 Oct - 09 Nov Etihad Airways
23 Oct - 02 Nov Etihad Airways
21 Oct - 19 Nov Etihad Airways
21 Oct - 20 Nov Etihad Airways
21 Oct - 02 Nov Etihad Airways
16 Oct - 18 Nov Etihad Airways
21 Oct - 06 Nov Etihad Airways

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

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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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