Cheapest one-way flights from Istanbul to Seoul in September from $340

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

26 Sep Pegasus Airlines
10 Sep Air Arabia
02 Sep MIAT Mongolian Airlines
11 Sep MIAT Mongolian Airlines
21 Sep MIAT Mongolian Airlines
25 Sep MIAT Mongolian Airlines
30 Sep Thai Airways
04 Sep Thai Airways
17 Sep Thai Airways
12 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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