Cheapest return ICN–IST flights, December

AirHint found the following cheapest return flights from Seoul (ICN) to Istanbul (IST) in December 2026 (see full year).

Return flights

02 Dec - 07 Dec Lufthansa
03 Dec - 13 Dec Air China
12 Dec - 13 Dec Air China
15 Dec - 18 Dec Qatar Airways
14 Dec - 18 Dec Qatar Airways
31 Dec - 05 Jan Qatar Airways
10 Dec - 21 Dec Qatar Airways
09 Dec - 18 Dec Qatar Airways
14 Dec - 21 Dec Qatar Airways
11 Dec - 14 Dec Qatar Airways
04 Dec - 12 Dec Qatar Airways
30 Dec - 10 Jan Qatar Airways
22 Dec - 05 Jan Qatar Airways
23 Dec - 01 Jan Qatar Airways
22 Dec - 01 Jan Qatar Airways
30 Dec - 03 Jan Lufthansa
18 Dec - 01 Jan Lufthansa
18 Dec - 03 Jan Lufthansa
27 Dec - 11 Jan Lufthansa
24 Dec - 04 Jan Emirates

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

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