Cheapest one-way flights from Istanbul to Seoul in September from 364€

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

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

One-Way flights

20 Sep Turkmenistan Airlines
13 Sep Turkmenistan Airlines
06 Sep Turkmenistan Airlines
16 Sep MIAT Mongolian Airlines
10 Sep Pegasus Airlines
25 Sep Thai Airways
01 Sep Thai Airways
26 Sep Thai Airways
27 Sep Thai Airways
07 Sep Thai Airways

Also check the deals for return 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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