Cheapest return flights from Istanbul to Seoul in October from $535

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

21 Oct - 26 Oct MIAT Mongolian Airlines
22 Oct - 27 Oct Pegasus Airlines
29 Oct - 10 Nov Etihad Airways
30 Oct - 07 Nov China Southern
21 Oct - 29 Oct China Southern
15 Oct - 22 Oct China Southern
14 Oct - 30 Oct China Southern
16 Oct - 21 Oct China Southern
01 Oct - 15 Oct Etihad Airways
01 Oct - 08 Oct Etihad Airways
15 Oct - 21 Oct Thai Airways
02 Oct - 14 Oct Etihad Airways
30 Oct - 06 Nov MIAT Mongolian Airlines
21 Oct - 03 Nov Etihad Airways
26 Oct - 15 Nov Etihad Airways
26 Oct - 02 Nov Etihad Airways
24 Oct - 22 Nov Etihad Airways
22 Oct - 03 Nov Etihad Airways
23 Oct - 04 Nov Etihad Airways
30 Oct - 11 Nov Etihad Airways

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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