Cheapest return flights from Istanbul to Seoul in December from $500

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

Return flights

07 Dec - 15 Dec Turkmenistan Airlines
14 Dec - 22 Dec Turkmenistan Airlines
21 Dec - 05 Jan Turkmenistan Airlines
20 Dec - 02 Jan China Southern
17 Dec - 12 Jan China Southern
17 Dec - 02 Jan China Southern
24 Dec - 05 Jan China Southern
20 Dec - 29 Dec China Southern
17 Dec - 29 Dec China Southern
04 Dec - 11 Dec MIAT Mongolian Airlines
04 Dec - 16 Dec MIAT Mongolian Airlines
01 Dec - 15 Dec China Southern
20 Dec - 06 Jan China Southern
17 Dec - 01 Jan China Southern
07 Dec - 16 Dec MIAT Mongolian Airlines
16 Dec - 06 Jan China Southern
05 Dec - 16 Dec China Southern
03 Dec - 18 Dec China Southern
20 Dec - 03 Jan China Southern
04 Dec - 10 Jan MIAT Mongolian Airlines

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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