Cheapest return ICN–IST flights, October

AirHint found the following cheapest return flights from Seoul (ICN) to Istanbul (IST) in October 2026 (see full year).

Return flights

14 Oct - 19 Oct Air China
15 Oct - 22 Oct Air China
12 Oct - 22 Oct Air China
12 Oct - 21 Oct Air China
19 Oct - 22 Oct Air China
15 Oct - 21 Oct Air China
27 Oct - 04 Nov Air China
12 Oct - 19 Oct Air China
18 Oct - 23 Oct Air China
12 Oct - 16 Oct Air China
12 Oct - 20 Oct Air China
20 Oct - 11 Nov Air China
23 Oct - 01 Nov Etihad Airways
29 Oct - 03 Nov Etihad Airways
24 Oct - 04 Nov Air China
30 Oct - 06 Nov Qatar Airways
24 Oct - 03 Nov Qatar Airways
24 Oct - 20 Nov Qatar Airways
25 Oct - 19 Nov Etihad Airways
24 Oct - 01 Nov Qatar 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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