Cheapest return flights from Seoul to Istanbul in December from $628

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

Return flights

12 Dec - 20 Dec Air China
19 Dec - 27 Dec Air China
24 Dec - 01 Jan Air China
26 Dec - 03 Jan Air China
14 Dec - 19 Dec China Southern
25 Dec - 02 Jan ANA
30 Dec - 05 Jan China Southern
30 Dec - 02 Jan China Southern
23 Dec - 31 Dec China Southern
03 Dec - 13 Dec Air China
23 Dec - 30 Dec ANA
01 Dec - 31 Dec ANA
22 Dec - 29 Dec ANA
26 Dec - 31 Dec ANA

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