Cheapest return flights from Istanbul to Seoul in December from $586

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

Return flights

08 Dec - 18 Dec China Southern
01 Dec - 10 Dec China Southern
31 Dec - 18 Jan China Southern
03 Dec - 10 Dec China Southern
09 Dec - 14 Dec China Southern
15 Dec - 21 Dec China Southern
29 Dec - 07 Jan China Southern
30 Dec - 07 Jan China Southern
29 Dec - 05 Jan China Southern
12 Dec - 19 Dec China Southern
17 Dec - 22 Dec China Southern
15 Dec - 22 Dec China Southern
01 Dec - 26 Dec China Southern
24 Dec - 01 Jan China Southern
02 Dec - 13 Dec LOT
26 Dec - 02 Jan China Southern
26 Dec - 07 Jan China Southern
28 Dec - 04 Jan Etihad Airways
26 Dec - 01 Jan China Southern
31 Dec - 04 Jan Etihad Airways

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