Cheapest return flights from Istanbul to Seoul in October from 690€

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

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

Return flights

01 Oct - 12 Oct China Southern
02 Oct - 11 Oct Air Astana
18 Oct - 22 Oct Air Astana
06 Oct - 12 Oct Thai Airways
06 Oct - 16 Oct Thai Airways
22 Oct - 12 Nov Asiana Airlines direct
18 Oct - 22 Oct Asiana Airlines direct
03 Oct - 10 Oct Asiana Airlines direct
27 Oct - 31 Oct Qatar Airways
27 Oct - 31 Oct Korean Air direct
01 Oct - 12 Oct Turkish Airlines direct

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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