Cheapest return flights from Istanbul to Seoul in October from $599

Best time to book flights for Istanbul (IST) to Seoul (ICN) flights at AirHint

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

Return flights

26 Oct - 31 Oct MIAT Mongolian Airlines
21 Oct - 26 Oct MIAT Mongolian Airlines
15 Oct - 21 Oct Pegasus Airlines
29 Oct - 05 Nov Etihad Airways
29 Oct - 12 Nov Etihad Airways
02 Oct - 09 Oct Etihad Airways
04 Oct - 11 Oct Etihad Airways
26 Oct - 29 Nov Etihad Airways
22 Oct - 27 Oct China Southern
23 Oct - 01 Nov Etihad Airways
23 Oct - 29 Oct Uzbekistan Airways
29 Oct - 02 Nov Etihad Airways
02 Oct - 08 Oct Etihad Airways
01 Oct - 15 Oct Qatar Airways
01 Oct - 11 Oct Qatar Airways
29 Oct - 06 Nov Qatar Airways
25 Oct - 01 Nov Etihad Airways
25 Oct - 01 Nov Asiana Airlines direct
23 Oct - 01 Nov Asiana Airlines direct
29 Oct - 06 Nov Asiana 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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