Cheapest return flights from Seoul to Istanbul in December from 472€

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

Return flights

02 Dec - 14 Dec Air China
26 Dec - 03 Jan China Southern
29 Dec - 03 Jan China Southern
10 Dec - 13 Dec China Southern
01 Dec - 06 Dec China Southern
17 Dec - 23 Dec China Southern
22 Dec - 30 Dec China Southern
08 Dec - 13 Dec China Southern
24 Dec - 27 Dec China Southern
24 Dec - 30 Dec China Southern
08 Dec - 16 Dec China Southern
15 Dec - 18 Dec China Southern
24 Dec - 01 Jan China Southern
24 Dec - 03 Jan China Southern
29 Dec - 08 Jan China Southern
31 Dec - 10 Jan China Southern
26 Dec - 01 Jan China Southern
24 Dec - 06 Jan China Southern
31 Dec - 08 Jan China Southern
22 Dec - 03 Jan China Southern

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

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