Cheapest one-way flights from Seoul to Istanbul in October from $242

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

One-Way flights

31 Oct China Southern
15 Oct China Southern
22 Oct China Southern
27 Oct China Southern
25 Oct Air China
21 Oct Air China
13 Oct China Southern
20 Oct China Southern
01 Oct Air Busan
05 Oct China Southern

Also check the deals for return flights from Seoul to Istanbul 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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