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

Return flights

03 Dec - 16 Dec	China Southern
13 Dec - 19 Dec	Air China
09 Dec - 18 Dec	Etihad Airways
15 Dec - 19 Dec	Etihad Airways
18 Dec - 26 Dec	Sichuan Airlines
16 Dec - 28 Dec	Sichuan Airlines
18 Dec - 29 Dec	Sichuan Airlines
18 Dec - 04 Jan	Sichuan Airlines
07 Dec - 15 Dec	Sichuan Airlines
18 Dec - 28 Dec	Sichuan Airlines
18 Dec - 31 Dec	Sichuan Airlines
16 Dec - 05 Jan	Emirates
24 Dec - 04 Jan	Emirates
28 Dec - 02 Jan	Emirates
24 Dec - 03 Jan	Emirates
19 Dec - 04 Jan	Emirates
04 Dec - 01 Jan	Emirates
19 Dec - 02 Jan	Emirates
22 Dec - 02 Jan	HK Express
19 Dec - 01 Jan	Emirates

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

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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Cheapest return flights from Hong Kong to Istanbul in December from 373€

Return flights