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

Return flights

16 Dec - 04 Jan	Thai AirAsia
16 Dec - 19 Dec	Thai AirAsia
16 Dec - 03 Jan	Thai AirAsia
01 Dec - 19 Dec	Thai AirAsia
16 Dec - 20 Dec	China Eastern
04 Dec - 19 Dec	Thai AirAsia
01 Dec - 04 Dec	Thai AirAsia
17 Dec - 22 Dec	Thai AirAsia
01 Dec - 06 Dec	Thai AirAsia
01 Dec - 20 Dec	Thai AirAsia
02 Dec - 02 Jan	Cathay Pacific	direct
25 Dec - 05 Jan	Thai Lion Air
04 Dec - 06 Dec	Thai AirAsia
24 Dec - 05 Jan	Thai Lion Air
16 Dec - 24 Dec	Thai AirAsia
29 Dec - 09 Jan	Cathay Pacific
19 Dec - 04 Jan	AirAsia
25 Dec - 03 Jan	Cathay Pacific
19 Dec - 03 Jan	Cathay Pacific
25 Dec - 04 Jan	Cathay Pacific

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 381€

Return flights