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

Return flights

25 Dec - 07 Jan	Thai AirAsia X
29 Dec - 07 Jan	Thai AirAsia X
26 Dec - 07 Jan	Thai AirAsia X
27 Dec - 07 Jan	Thai AirAsia X
25 Dec - 03 Jan	Thai AirAsia X
25 Dec - 31 Dec	Thai AirAsia X
29 Dec - 03 Jan	VietJet Air
27 Dec - 31 Dec	Jeju Air
26 Dec - 03 Jan	Thai AirAsia X
29 Dec - 31 Dec	Thai AirAsia X
26 Dec - 31 Dec	Thai AirAsia X
27 Dec - 03 Jan	Jeju Air

Also check the deals for one-way flights from Osaka 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 Osaka to Vientiane in December from 492€

Return flights