Cheapest return flights from Istanbul to Seoul in October from 434€

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

Return flights

11 Oct - 19 Oct Turkmenistan Airlines
05 Oct - 12 Oct Turkmenistan Airlines
05 Oct - 19 Oct Turkmenistan Airlines
12 Oct - 19 Oct Turkmenistan Airlines
04 Oct - 12 Oct Turkmenistan Airlines
29 Oct - 06 Nov Etihad Airways
11 Oct - 26 Oct Scat Airlines
13 Oct - 26 Oct Etihad Airways
23 Oct - 31 Oct Air China
04 Oct - 09 Oct Qanot Sharq
02 Oct - 11 Oct Air Astana
29 Oct - 09 Nov MIAT Mongolian Airlines
28 Oct - 04 Nov Qanot Sharq
29 Oct - 06 Nov Turkish Airlines direct

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