Cheapest return flights from Istanbul to Seoul in December from $575

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

Return flights

29 Dec - 07 Jan Centrum Air
29 Dec - 08 Jan Centrum Air
29 Dec - 26 Jan Centrum Air
25 Dec - 08 Jan Centrum Air
25 Dec - 22 Jan Centrum Air
29 Dec - 10 Jan Centrum Air
29 Dec - 23 Jan Centrum Air
30 Dec - 08 Jan China Southern
26 Dec - 03 Jan Qanot Sharq
24 Dec - 03 Jan Turkish Airlines
25 Dec - 31 Dec Centrum Air
25 Dec - 30 Dec Centrum Air
25 Dec - 29 Dec Centrum Air
23 Dec - 31 Dec Flynas
26 Dec - 31 Dec Qanot Sharq
23 Dec - 30 Dec Flynas
26 Dec - 28 Dec Qanot Sharq
23 Dec - 26 Dec Asiana Airlines direct
25 Dec - 30 Dec Asiana Airlines direct
23 Dec - 30 Dec Asiana Airlines direct

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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