Cheapest return flights from Istanbul to Seoul in October from 458€

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

Return flights

01 Oct - 16 Oct China Southern
29 Oct - 11 Nov China Southern
28 Oct - 09 Nov China Southern
26 Oct - 06 Nov MIAT Mongolian Airlines
16 Oct - 22 Oct MIAT Mongolian Airlines
26 Oct - 05 Nov MIAT Mongolian Airlines
29 Oct - 05 Nov China Southern
21 Oct - 29 Oct MIAT Mongolian Airlines
23 Oct - 29 Oct MIAT Mongolian Airlines
23 Oct - 01 Nov MIAT Mongolian Airlines
05 Oct - 11 Oct MIAT Mongolian Airlines
05 Oct - 19 Oct MIAT Mongolian Airlines
14 Oct - 18 Oct MIAT Mongolian Airlines
19 Oct - 26 Oct MIAT Mongolian Airlines
19 Oct - 29 Oct MIAT Mongolian Airlines
19 Oct - 23 Oct MIAT Mongolian Airlines
30 Oct - 08 Nov MIAT Mongolian Airlines
29 Oct - 07 Nov China Southern
22 Oct - 09 Nov Pegasus Airlines
22 Oct - 10 Nov Pegasus Airlines

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

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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