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 2025 (see full year).

Return flights

01 Oct - 10 Oct China Southern
23 Oct - 29 Oct MIAT Mongolian Airlines
23 Oct - 01 Nov MIAT Mongolian Airlines
02 Oct - 31 Oct China Southern
02 Oct - 17 Oct China Southern
01 Oct - 07 Nov China Southern
01 Oct - 14 Oct China Southern
01 Oct - 13 Oct China Southern
02 Oct - 10 Oct China Southern
06 Oct - 01 Nov Centrum Air
23 Oct - 28 Oct MIAT Mongolian Airlines
23 Oct - 31 Oct MIAT Mongolian Airlines
29 Oct - 09 Nov Wizz Air UK
26 Oct - 31 Oct MIAT Mongolian Airlines
21 Oct - 29 Nov MIAT Mongolian Airlines
26 Oct - 04 Nov MIAT Mongolian Airlines
26 Oct - 08 Nov MIAT Mongolian Airlines
30 Oct - 03 Nov MIAT Mongolian Airlines
28 Oct - 07 Nov Wizz Air UK
30 Oct - 10 Nov MIAT Mongolian Airlines

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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