Cheapest return flights from Istanbul to Seoul in December from 431€

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

Return flights

08 Dec - 21 Dec China Southern
10 Dec - 16 Dec China Southern
01 Dec - 31 Dec China Southern
08 Dec - 14 Dec China Southern
09 Dec - 15 Dec China Southern
02 Dec - 09 Dec China Southern
01 Dec - 08 Dec China Southern
01 Dec - 14 Dec China Southern
03 Dec - 11 Dec China Southern
02 Dec - 07 Dec China Southern
31 Dec - 07 Jan China Southern
19 Dec - 05 Jan China Southern
31 Dec - 18 Jan China Southern
26 Dec - 02 Jan China Southern
27 Dec - 03 Jan Etihad Airways
30 Dec - 06 Jan Air Astana
28 Dec - 03 Jan MIAT Mongolian Airlines
25 Dec - 04 Jan MIAT Mongolian Airlines
25 Dec - 16 Jan Etihad Airways
27 Dec - 10 Jan Etihad Airways

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

Skyscanner

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.

Book a cheap hotel in Seoul

Cheap car rent in Seoul

Feel free to contact us with any feedback or request another flight research.