Cheapest return flights from Istanbul to Seoul in September from 653€

Best time to book flights for Istanbul (IST) to Seoul (ICN) flights at AirHint

AirHint found the following cheapest return flights from Istanbul (IST) to Seoul (ICN) in September 2025 (see full year).

Return flights

18 Sep - 25 Sep MIAT Mongolian Airlines
27 Sep - 18 Oct Thai Airways
18 Sep - 21 Sep MIAT Mongolian Airlines
01 Sep - 12 Sep China Southern
23 Sep - 30 Sep MIAT Mongolian Airlines
02 Sep - 09 Sep MIAT Mongolian Airlines
06 Sep - 13 Sep Etihad Airways
06 Sep - 16 Sep Etihad Airways
15 Sep - 23 Sep Air Astana
15 Sep - 21 Sep Air Astana
05 Sep - 15 Sep Air Astana
27 Sep - 07 Oct Qatar Airways
28 Sep - 05 Oct Air Astana
27 Sep - 07 Oct Turkish Airlines direct
01 Sep - 02 Oct Air Astana
26 Sep - 03 Oct Turkish Airlines direct
28 Sep - 05 Oct Turkish Airlines direct

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

Skyscanner

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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