Cheapest one-way flights from Istanbul to Seoul in October from $452

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

One-Way flights

03 Oct Turkmenistan Airlines
24 Oct Turkmenistan Airlines
16 Oct China Southern
25 Oct China Southern
28 Oct China Southern
21 Oct China Southern
30 Oct China Southern
13 Oct Pegasus Airlines
20 Oct Pegasus Airlines
01 Oct Turkish 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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