AirHint found the following cheapest return flights from Hangzhou (HGH) to Colombo (CMB) in August 2025 (see full year).

Return flights

18 Aug - 25 Aug	Cathay Pacific
26 Aug - 31 Aug	China Eastern
20 Aug - 31 Aug	AirAsia X
20 Aug - 24 Aug	AirAsia X
12 Aug - 19 Aug	Scoot Tigerair
20 Aug - 03 Sep	AirAsia X
11 Aug - 31 Aug	AirAsia X
11 Aug - 14 Aug	AirAsia X
18 Aug - 31 Aug	AirAsia X
11 Aug - 24 Aug	AirAsia X
11 Aug - 19 Aug	AirAsia X
18 Aug - 03 Sep	AirAsia X
21 Aug - 03 Sep	Thai AirAsia
14 Aug - 03 Sep	Thai AirAsia
26 Aug - 03 Sep	Thai AirAsia
28 Aug - 03 Sep	Thai AirAsia
15 Aug - 03 Sep	AirAsia X

Also check the deals for one-way flights from Hangzhou to Colombo in August.

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 Colombo in August from $423

Return flights