Cheapest return flights from Istanbul to Seoul in September from $573

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

11 Sep - 25 Sep MIAT Mongolian Airlines
11 Sep - 17 Sep MIAT Mongolian Airlines
02 Sep - 10 Sep China Southern
09 Sep - 17 Sep China Southern
04 Sep - 18 Sep MIAT Mongolian Airlines
16 Sep - 23 Sep MIAT Mongolian Airlines
09 Sep - 25 Sep MIAT Mongolian Airlines
09 Sep - 16 Sep MIAT Mongolian Airlines
01 Sep - 05 Sep flyadeal
17 Sep - 25 Sep Pegasus Airlines
19 Sep - 13 Oct China Southern
27 Sep - 15 Oct Etihad Airways
28 Sep - 30 Oct Etihad Airways
28 Sep - 09 Oct Etihad Airways
05 Sep - 30 Oct Etihad Airways
10 Sep - 14 Oct Etihad Airways
09 Sep - 01 Oct Pegasus Airlines
26 Sep - 11 Oct Etihad Airways
29 Sep - 15 Oct Etihad Airways
21 Sep - 22 Oct Etihad Airways

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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