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

Return flights

08 Dec - 14 Dec	AirAsia
04 Dec - 10 Dec	Thai Lion Air
06 Dec - 13 Dec	Malaysia Airlines
24 Dec - 27 Dec	Air India
24 Dec - 31 Dec	Air India
14 Dec - 28 Dec	Air India
21 Dec - 30 Dec	Air India
14 Dec - 25 Dec	Air India
18 Dec - 23 Dec	Air India
05 Dec - 16 Dec	Air India
25 Dec - 01 Jan	Air India
13 Dec - 02 Jan	Malaysia Airlines
17 Dec - 04 Jan	Thai Lion Air
18 Dec - 04 Jan	HK Express
16 Dec - 02 Jan	China Eastern
16 Dec - 01 Jan	Thai Lion Air
18 Dec - 01 Jan	HK Express
27 Dec - 07 Jan	Thai AirAsia
26 Dec - 01 Jan	Air India
24 Dec - 04 Jan	Air India

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 $445

Return flights