Cheapest one-way flights from Istanbul to Seoul in October from $343

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

One-Way flights

18 Oct FlyArystan
21 Oct MIAT Mongolian Airlines
28 Oct MIAT Mongolian Airlines
15 Oct Pegasus Airlines
30 Oct MIAT Mongolian Airlines
24 Oct Pegasus Airlines
11 Oct FlyArystan
01 Oct Pegasus Airlines
16 Oct MIAT Mongolian Airlines
14 Oct Turkmenistan Airlines

Also check the deals for return flights from Istanbul to Seoul in October.

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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