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

Return flights

06 Dec - 14 Dec	AirAsia
05 Dec - 14 Dec	Cathay Pacific
05 Dec - 13 Dec	Thai Lion Air
05 Dec - 11 Dec	AirAsia
16 Dec - 04 Jan	AirAsia
17 Dec - 04 Jan	AirAsia
17 Dec - 24 Dec	Thai Lion Air
18 Dec - 04 Jan	AirAsia
20 Dec - 04 Jan	AirAsia
16 Dec - 03 Jan	AirAsia
17 Dec - 03 Jan	AirAsia
16 Dec - 26 Dec	Cathay Pacific	direct
18 Dec - 29 Dec	Cathay Pacific	direct
18 Dec - 03 Jan	AirAsia
23 Dec - 04 Jan	AirAsia
20 Dec - 03 Jan	AirAsia
25 Dec - 04 Jan	AirAsia
05 Dec - 24 Dec	AirAsia
20 Dec - 26 Dec	Thai Lion Air
16 Dec - 28 Dec	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 390€

Return flights