Cheapest return flights from Istanbul to Seoul in September from $638

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

02 Sep - 08 Sep China Southern
15 Sep - 26 Sep Pegasus Airlines
16 Sep - 23 Sep MIAT Mongolian Airlines
07 Sep - 13 Sep MIAT Mongolian Airlines
10 Sep - 24 Sep Air Arabia
16 Sep - 21 Sep MIAT Mongolian Airlines
09 Sep - 16 Sep MIAT Mongolian Airlines
06 Sep - 17 Sep China Southern
11 Sep - 18 Sep Etihad Airways
10 Sep - 15 Sep Etihad Airways
06 Sep - 11 Oct Etihad Airways
26 Sep - 17 Oct Etihad Airways
24 Sep - 15 Oct China Southern
05 Sep - 11 Oct Etihad Airways
26 Sep - 15 Oct Qatar Airways
30 Sep - 21 Oct Etihad Airways
30 Sep - 22 Oct Etihad Airways
05 Sep - 11 Oct Asiana Airlines direct
30 Sep - 21 Oct Asiana Airlines direct
30 Sep - 22 Oct Asiana 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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