Cheapest return GMP–IST flights, December

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

Return flights

03 Dec - 13 Dec Air China
17 Dec - 20 Dec Air China
22 Dec - 03 Jan Air China
24 Dec - 03 Jan Air China
15 Dec - 18 Dec Air China
05 Dec - 13 Dec Air China
19 Dec - 24 Dec Air China
14 Dec - 19 Dec China Southern
04 Dec - 12 Dec China Southern
13 Dec - 21 Dec ANA
11 Dec - 14 Dec ANA
23 Dec - 03 Jan Air China
27 Dec - 11 Jan ANA
20 Dec - 02 Jan ANA
22 Dec - 01 Jan Air China
02 Dec - 07 Dec ANA
23 Dec - 02 Jan ANA
22 Dec - 05 Jan ANA
18 Dec - 03 Jan ANA
23 Dec - 01 Jan ANA

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

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