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

Return flights

12 Nov - 26 Nov	China Southern
25 Nov - 29 Nov	Emirates
25 Nov - 26 Nov	Air China
13 Nov - 21 Nov	Air China
13 Nov - 16 Nov	Air China
06 Nov - 26 Nov	Air China
13 Nov - 23 Nov	Air China
27 Nov - 30 Nov	Air China
22 Nov - 30 Nov	Air China
18 Nov - 21 Nov	Air China
27 Nov - 07 Dec	Air China
18 Nov - 02 Dec	Etihad Airways
27 Nov - 01 Dec	Etihad Airways
27 Nov - 04 Dec	Etihad Airways
11 Nov - 24 Dec	Etihad Airways
28 Nov - 04 Dec	Etihad Airways
19 Nov - 23 Dec	Etihad Airways
28 Nov - 01 Dec	Etihad Airways
26 Nov - 03 Dec	Etihad Airways
28 Nov - 07 Dec	Etihad Airways

Also check the deals for one-way flights from Seoul to Istanbul in November.

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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Cheapest return flights from Seoul to Istanbul in November from $502

Return flights