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

Return flights

12 Dec - 19 Dec	China Eastern
13 Dec - 20 Dec	Hainan Airlines
06 Dec - 11 Dec	Hainan Airlines
06 Dec - 09 Dec	Hainan Airlines
04 Dec - 08 Dec	Hainan Airlines
02 Dec - 06 Dec	China Eastern
03 Dec - 07 Dec	China Eastern
07 Dec - 12 Dec	China Eastern
09 Dec - 13 Dec	China Eastern
27 Dec - 03 Jan	Hainan Airlines
06 Dec - 11 Dec	Hong Kong Airlines	direct
30 Dec - 03 Jan	HK Express
26 Dec - 02 Jan	HK Express
30 Dec - 03 Jan	Hong Kong Airlines	direct
24 Dec - 03 Jan	HK Express

Also check the deals for one-way flights from Hong Kong to Vientiane 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 Vientiane in December from 223€

Return flights