Cheapest return flights from Istanbul to Seoul in September from $529

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

09 Sep - 18 Sep Air Arabia
05 Sep - 15 Sep China Southern
11 Sep - 18 Sep China Southern
11 Sep - 16 Sep China Southern
15 Sep - 22 Sep China Southern
10 Sep - 18 Sep China Southern
02 Sep - 18 Sep China Southern
21 Sep - 28 Sep MIAT Mongolian Airlines
12 Sep - 19 Sep China Southern
01 Sep - 11 Sep Etihad Airways
27 Sep - 06 Oct Uzbekistan Airways
30 Sep - 19 Oct Qatar Airways
01 Sep - 05 Oct Air Astana
27 Sep - 18 Oct Emirates
27 Sep - 17 Oct Emirates
19 Sep - 04 Oct Air Astana
22 Sep - 04 Oct LOT
07 Sep - 03 Oct Turkish Airlines direct
18 Sep - 03 Oct Turkish Airlines direct
19 Sep - 04 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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