Cheapest return flights from Istanbul to Seoul in September from 429€

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

Return flights

21 Sep - 28 Sep Turkmenistan Airlines
06 Sep - 21 Sep Turkmenistan Airlines
21 Sep - 19 Oct Turkmenistan Airlines
07 Sep - 05 Oct Turkmenistan Airlines
06 Sep - 14 Sep Turkmenistan Airlines
14 Sep - 28 Sep Turkmenistan Airlines
20 Sep - 28 Sep Turkmenistan Airlines
13 Sep - 21 Sep Turkmenistan Airlines
14 Sep - 21 Sep Turkmenistan Airlines
07 Sep - 14 Sep Turkmenistan Airlines
07 Sep - 21 Sep Turkmenistan Airlines
14 Sep - 05 Oct Turkmenistan Airlines
10 Sep - 15 Sep MIAT Mongolian Airlines
15 Sep - 12 Oct Air Astana
15 Sep - 06 Oct Air Astana
18 Sep - 06 Oct Air Astana
15 Sep - 10 Oct Air Astana
25 Sep - 11 Oct Air Astana
28 Sep - 02 Oct Air Astana
24 Sep - 11 Oct Centrum Air

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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