Cheapest return flights from Istanbul to Seoul in September from 469€

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

Return flights

24 Sep - 04 Oct MIAT Mongolian Airlines
08 Sep - 14 Sep MIAT Mongolian Airlines
10 Sep - 23 Sep MIAT Mongolian Airlines
01 Sep - 05 Sep MIAT Mongolian Airlines
11 Sep - 19 Sep Pegasus Airlines
21 Sep - 05 Oct Turkmenistan Airlines
06 Sep - 21 Sep MIAT Mongolian Airlines
02 Sep - 12 Sep Qatar Airways
04 Sep - 11 Sep Qatar Airways
20 Sep - 17 Oct Qatar Airways
01 Sep - 09 Sep China Southern
25 Sep - 05 Oct Wizz Air
19 Sep - 17 Oct Qatar Airways
18 Sep - 28 Sep Qatar Airways
07 Sep - 20 Sep Air Arabia
23 Sep - 02 Oct Air Astana
26 Sep - 03 Oct Air Astana
19 Sep - 17 Oct Korean Air direct
20 Sep - 17 Oct Korean Air direct
30 Sep - 09 Oct China Southern

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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