Cheapest return flights from Istanbul to Seoul in October from $648

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

Return flights

28 Oct - 07 Nov Scandinavian Airlines
01 Oct - 08 Oct MIAT Mongolian Airlines
20 Oct - 26 Oct China Southern
17 Oct - 30 Oct China Southern
04 Oct - 18 Oct Pegasus Airlines
08 Oct - 20 Oct Centrum Air
29 Oct - 14 Nov Etihad Airways
29 Oct - 08 Nov Etihad Airways
09 Oct - 17 Oct Air Astana
10 Oct - 17 Oct Air Astana
03 Oct - 13 Oct Air Astana
04 Oct - 11 Oct Air Astana
11 Oct - 18 Oct Air Astana
29 Oct - 03 Nov LOT
25 Oct - 05 Nov MIAT Mongolian Airlines
23 Oct - 26 Nov Turkish Airlines
23 Oct - 01 Nov Turkish Airlines
24 Oct - 03 Nov Turkish Airlines
17 Oct - 01 Nov Centrum Air
23 Oct - 26 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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