Cheapest return flights from Istanbul to Seoul in October from $661

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

Return flights

18 Oct - 01 Nov Etihad Airways
25 Oct - 01 Nov Etihad Airways
24 Oct - 01 Nov Etihad Airways
10 Oct - 17 Oct Etihad Airways
21 Oct - 26 Oct Qatar Airways
25 Oct - 31 Oct Qatar Airways
22 Oct - 29 Oct Qatar Airways
01 Oct - 04 Oct Centrum Air
18 Oct - 31 Oct Pegasus Airlines
02 Oct - 23 Oct Air Astana
01 Oct - 20 Oct Pegasus Airlines
14 Oct - 21 Oct Air Astana
02 Oct - 20 Oct Air Astana
25 Oct - 01 Nov Turkish Airlines direct
24 Oct - 01 Nov Turkish Airlines direct
18 Oct - 01 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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