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

Return flights

02 Aug - 08 Aug	China Eastern
16 Aug - 22 Aug	HK Express
06 Aug - 10 Aug	HK Express
01 Aug - 15 Aug	Batik Air Malaysia
26 Aug - 31 Aug	Batik Air Malaysia
18 Aug - 29 Aug	HK Express
10 Aug - 17 Aug	HK Express
19 Aug - 27 Aug	Batik Air Malaysia
07 Aug - 11 Aug	Batik Air Malaysia
03 Aug - 17 Aug	HK Express
28 Aug - 09 Sep	AirAsia
28 Aug - 30 Sep	AirAsia
28 Aug - 17 Sep	AirAsia
28 Aug - 12 Sep	AirAsia
19 Aug - 09 Sep	AirAsia
28 Aug - 13 Sep	AirAsia
28 Aug - 09 Sep	Cathay Pacific	direct
28 Aug - 30 Sep	Cathay Pacific	direct

Also check the deals for one-way flights from Hong Kong 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 Hong Kong to Colombo in August from $365

Return flights