AirHint found the following cheapest return flights from Shenzhen (SZX) to Singapore (SIN) in December 2025 (see full year).

Return flights

12 Dec - 14 Dec	AirAsia
14 Dec - 17 Dec	Hainan Airlines
12 Dec - 15 Dec	AirAsia
15 Dec - 17 Dec	Hainan Airlines
02 Dec - 09 Dec	AirAsia
03 Dec - 07 Dec	AirAsia
02 Dec - 08 Dec	AirAsia
02 Dec - 07 Dec	AirAsia
06 Dec - 08 Dec	AirAsia
05 Dec - 08 Dec	AirAsia
31 Dec - 27 Jan	AirAsia
27 Dec - 04 Jan	AirAsia
25 Dec - 01 Jan	AirAsia
25 Dec - 03 Jan	AirAsia
25 Dec - 02 Jan	AirAsia
31 Dec - 03 Jan	AirAsia
25 Dec - 02 Jan	Air China	direct
25 Dec - 01 Jan	Air China	direct
25 Dec - 04 Jan	Air China	direct
25 Dec - 03 Jan	Air China	direct

Also check the deals for one-way flights from Shenzhen to Singapore 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 Shenzhen to Singapore in December from 232€

Return flights