Cheapest return flights from Seoul to Istanbul in October from 439€

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

Return flights

27 Oct - 04 Nov China Southern
27 Oct - 06 Nov China Southern
31 Oct - 08 Nov China Southern
29 Oct - 08 Nov China Southern
29 Oct - 04 Nov China Southern
31 Oct - 06 Nov China Southern
20 Oct - 30 Oct China Southern
22 Oct - 30 Oct China Southern
20 Oct - 28 Oct China Southern
15 Oct - 21 Oct China Southern
29 Oct - 25 Nov China Southern
22 Oct - 25 Oct China Southern
17 Oct - 30 Oct China Southern
13 Oct - 21 Oct China Southern
17 Oct - 21 Oct China Southern
20 Oct - 25 Oct China Southern
28 Oct - 07 Nov Air China
28 Oct - 28 Nov Air China
25 Oct - 07 Nov Air China
09 Oct - 17 Oct Air China

Also check the deals for one-way 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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