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

Return flights

10 Dec - 04 Jan	AirAsia
07 Dec - 15 Dec	Batik Air Malaysia
11 Dec - 17 Dec	Cathay Pacific
11 Dec - 05 Jan	Cathay Pacific
07 Dec - 07 Jan	Batik Air Malaysia
10 Dec - 03 Jan	AirAsia
16 Dec - 05 Jan	AirAsia
14 Dec - 15 Dec	AirAsia
11 Dec - 04 Jan	Thai Lion Air
12 Dec - 19 Dec	Malaysia Airlines
15 Dec - 17 Dec	AirAsia
16 Dec - 17 Dec	AirAsia
14 Dec - 17 Dec	AirAsia
15 Dec - 04 Jan	AirAsia
16 Dec - 04 Jan	AirAsia
10 Dec - 15 Dec	AirAsia
11 Dec - 15 Dec	AirAsia
07 Dec - 17 Dec	AirAsia
11 Dec - 03 Jan	Cathay Pacific
15 Dec - 03 Jan	AirAsia

Also check the deals for one-way flights from Hong Kong to Colombo in December.

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 December from $457

Return flights