Cheapest return flights from Istanbul to Seoul in September from 486€

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

Return flights

22 Sep - 20 Oct MIAT Mongolian Airlines
01 Sep - 12 Sep MIAT Mongolian Airlines
06 Sep - 13 Sep MIAT Mongolian Airlines
24 Sep - 01 Oct Etihad Airways
20 Sep - 01 Oct Etihad Airways
10 Sep - 20 Sep MIAT Mongolian Airlines
07 Sep - 11 Sep China Southern
04 Sep - 14 Sep Air Astana
22 Sep - 29 Sep Etihad Airways
04 Sep - 10 Sep Air Astana
11 Sep - 19 Sep Air China
12 Sep - 20 Sep Air Astana
29 Sep - 20 Oct Qatar Airways
27 Sep - 10 Oct Air China
21 Sep - 27 Sep Air Astana
18 Sep - 18 Oct Air Astana
22 Sep - 20 Oct Asiana Airlines direct
29 Sep - 20 Oct Asiana Airlines direct
24 Sep - 01 Oct Asiana Airlines direct
18 Sep - 18 Oct Turkish Airlines direct

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

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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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