Cheapest return flights from Istanbul to Seoul in October from $721

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

22 Oct - 31 Oct China Southern
06 Oct - 16 Oct Uzbekistan Airways
07 Oct - 16 Oct Uzbekistan Airways
12 Oct - 19 Oct Air Astana
14 Oct - 21 Oct Air Astana
06 Oct - 12 Oct Uzbekistan Airways
03 Oct - 13 Oct Qatar Airways
25 Oct - 08 Nov LOT
18 Oct - 29 Oct China Southern
22 Oct - 31 Oct Asiana Airlines direct
14 Oct - 28 Oct Thai Airways
21 Oct - 05 Nov Thai Airways
25 Oct - 08 Nov Asiana Airlines direct
21 Oct - 05 Nov 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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