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

Return flights

28 Aug - 04 Sep	China Eastern
26 Aug - 12 Sep	China Eastern
31 Aug - 04 Sep	China Eastern
31 Aug - 03 Sep	China Eastern
22 Aug - 01 Sep	China Eastern
20 Aug - 04 Sep	China Eastern
26 Aug - 31 Aug	HK Express
14 Aug - 17 Aug	China Eastern
12 Aug - 25 Aug	AirAsia
12 Aug - 30 Aug	AirAsia
17 Aug - 30 Aug	HK Express
21 Aug - 27 Aug	HK Express
24 Aug - 31 Aug	HK Express
23 Aug - 25 Aug	AirAsia
24 Aug - 25 Aug	AirAsia
24 Aug - 30 Aug	AirAsia
12 Aug - 01 Sep	AirAsia
24 Aug - 06 Sep	AirAsia
24 Aug - 04 Sep	AirAsia
24 Aug - 01 Sep	AirAsia

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.

Book a cheap hotel in Colombo

Cheap car rent in Colombo

Cheapest return flights from Hong Kong to Colombo in August from $314

Return flights