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

Return flights

24 Dec - 29 Dec	Thai Lion Air
24 Dec - 14 Jan	AirAsia
25 Dec - 14 Jan	Thai AirAsia
24 Dec - 28 Dec	Thai Lion Air
25 Dec - 28 Dec	HK Express
24 Dec - 04 Jan	AirAsia
25 Dec - 04 Jan	Thai AirAsia
25 Dec - 29 Dec	Thai AirAsia
24 Dec - 26 Dec	AirAsia
24 Dec - 27 Dec	AirAsia
25 Dec - 27 Dec	Thai AirAsia
24 Dec - 30 Dec	AirAsia
24 Dec - 02 Jan	AirAsia
24 Dec - 03 Jan	AirAsia
24 Dec - 01 Jan	AirAsia
25 Dec - 30 Dec	Thai AirAsia
25 Dec - 02 Jan	Thai AirAsia
25 Dec - 03 Jan	Thai AirAsia
25 Dec - 01 Jan	Thai AirAsia

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 365€

Return flights