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

Return flights

04 Oct - 12 Oct	Hainan Airlines
04 Oct - 12 Oct	Scoot Tigerair	direct
25 Oct - 02 Nov	Cathay Pacific
13 Oct - 02 Nov	AirAsia
08 Oct - 11 Oct	AirAsia X
08 Oct - 18 Oct	AirAsia X
13 Oct - 30 Oct	AirAsia
13 Oct - 18 Oct	AirAsia
25 Oct - 02 Nov	Scoot Tigerair	direct
08 Oct - 12 Oct	AirAsia X
08 Oct - 22 Oct	AirAsia X
13 Oct - 22 Oct	AirAsia
08 Oct - 16 Oct	AirAsia X
15 Oct - 02 Nov	AirAsia X
25 Oct - 12 Nov	Thai AirAsia
16 Oct - 02 Nov	AirAsia
16 Oct - 06 Nov	AirAsia
25 Oct - 06 Nov	Thai AirAsia
23 Oct - 12 Nov	AirAsia
18 Oct - 02 Nov	AirAsia X

Also check the deals for one-way flights from Hangzhou to Singapore in October.

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 October from $291

Return flights