Cheapest return flights from Seoul to Istanbul in December from $531

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

Return flights

02 Dec - 07 Dec Air China
11 Dec - 14 Dec Air China
11 Dec - 21 Dec Air China
16 Dec - 24 Dec Etihad Airways
02 Dec - 09 Dec Etihad Airways
09 Dec - 15 Dec Etihad Airways
25 Dec - 30 Dec Etihad Airways
18 Dec - 25 Dec Etihad Airways
18 Dec - 24 Dec Etihad Airways
11 Dec - 18 Dec Etihad Airways
26 Dec - 02 Jan China Southern
23 Dec - 04 Jan Etihad Airways
25 Dec - 04 Jan Etihad Airways
25 Dec - 06 Jan Etihad Airways
23 Dec - 01 Jan Etihad Airways
30 Dec - 13 Jan Etihad Airways
30 Dec - 04 Jan Etihad Airways
02 Dec - 27 Jan Etihad Airways
25 Dec - 01 Jan Etihad Airways
30 Dec - 08 Jan Etihad Airways

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

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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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