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

Return flights

18 Sep - 24 Sep	Hainan Airlines
18 Sep - 20 Sep	Xiamen Airlines
19 Sep - 21 Sep	Hainan Airlines
11 Sep - 16 Sep	Hainan Airlines
17 Sep - 20 Sep	Hainan Airlines
14 Sep - 21 Sep	Hainan Airlines
17 Sep - 21 Sep	Hainan Airlines
10 Sep - 14 Sep	Hainan Airlines
12 Sep - 14 Sep	Hainan Airlines
08 Sep - 15 Sep	Hainan Airlines
26 Sep - 15 Oct	Hainan Airlines
23 Sep - 01 Oct	AirAsia
23 Sep - 02 Oct	AirAsia
23 Sep - 14 Oct	AirAsia
04 Sep - 02 Oct	China Southern	direct
23 Sep - 13 Oct	AirAsia
16 Sep - 01 Oct	Thai AirAsia
17 Sep - 01 Oct	Thai AirAsia
16 Sep - 02 Oct	Thai AirAsia
17 Sep - 02 Oct	Thai AirAsia

Also check the deals for one-way flights from Shenzhen to Singapore in September.

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 September from $220

Return flights