Cheapest return flights from Istanbul to Seoul in October from $712

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

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

Return flights

21 Oct - 10 Nov China Southern
14 Oct - 20 Oct China Southern
21 Oct - 27 Oct China Southern
23 Oct - 03 Nov China Southern
28 Oct - 12 Nov China Southern
15 Oct - 22 Oct Air China
07 Oct - 07 Nov China Southern

Also check the deals for one-way 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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