Cheapest return flights from Istanbul to Seoul in December from 426€

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

Return flights

20 Dec - 29 Dec China Southern
14 Dec - 22 Dec Turkmenistan Airlines
21 Dec - 29 Dec Turkmenistan Airlines
15 Dec - 29 Dec Turkmenistan Airlines
07 Dec - 15 Dec Turkmenistan Airlines
21 Dec - 05 Jan Turkmenistan Airlines
28 Dec - 26 Jan Turkmenistan Airlines
28 Dec - 12 Jan Turkmenistan Airlines
29 Dec - 02 Jan China Southern
20 Dec - 05 Jan China Southern
01 Dec - 09 Dec Wizz Air UK
24 Dec - 31 Dec China Southern
20 Dec - 02 Jan China Southern
15 Dec - 19 Jan China Southern
04 Dec - 17 Jan MIAT Mongolian Airlines
08 Dec - 11 Dec Air Astana
08 Dec - 15 Dec Air Astana
31 Dec - 09 Jan China Southern
02 Dec - 13 Dec Wizz Air UK
26 Dec - 09 Jan China Southern

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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