Cheapest return flights from Istanbul to Seoul in October from 534€

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

16 Oct - 21 Oct MIAT Mongolian Airlines
03 Oct - 15 Oct Thai Airways
01 Oct - 18 Oct Etihad Airways
28 Oct - 22 Nov Etihad Airways
28 Oct - 15 Nov Etihad Airways
28 Oct - 18 Nov Etihad Airways
29 Oct - 21 Nov Etihad Airways
02 Oct - 20 Oct Etihad Airways
01 Oct - 22 Oct Etihad Airways
04 Oct - 12 Oct Air Astana
02 Oct - 10 Oct Air Astana
02 Oct - 28 Oct Etihad Airways
01 Oct - 15 Oct Etihad Airways
01 Oct - 11 Oct Qatar Airways
29 Oct - 21 Nov Asiana Airlines direct
30 Oct - 15 Nov LOT
23 Oct - 02 Nov Thai Airways
27 Oct - 02 Nov Qatar Airways
28 Oct - 22 Nov Turkish Airlines direct
28 Oct - 15 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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