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

Return flights

16 Sep - 22 Sep	Scoot Tigerair
12 Sep - 18 Sep	AirAsia X
12 Sep - 02 Oct	AirAsia X
08 Sep - 11 Sep	AirAsia X
08 Sep - 18 Sep	AirAsia X
12 Sep - 27 Sep	AirAsia X
08 Sep - 27 Sep	AirAsia X
15 Sep - 18 Sep	AirAsia X
15 Sep - 02 Oct	AirAsia X
30 Sep - 05 Oct	Xiamen Airlines
15 Sep - 27 Sep	AirAsia X
30 Sep - 06 Oct	Xiamen Airlines
12 Sep - 26 Sep	AirAsia X
08 Sep - 26 Sep	AirAsia X
19 Sep - 02 Oct	AirAsia X
17 Sep - 02 Oct	AirAsia X
21 Sep - 02 Oct	AirAsia
21 Sep - 11 Oct	AirAsia
24 Sep - 02 Oct	AirAsia X
24 Sep - 11 Oct	AirAsia X

Also check the deals for one-way flights from Hangzhou 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 Hangzhou to Singapore in September from 212€

Return flights