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

Return flights

11 Dec - 16 Dec	China Southern
01 Dec - 10 Dec	China Southern
23 Dec - 30 Dec	China Southern
15 Dec - 22 Dec	AirAsia X
24 Dec - 12 Jan	Thai AirAsia X
11 Dec - 22 Dec	Thai AirAsia X
19 Dec - 06 Jan	AirAsia X
15 Dec - 04 Jan	AirAsia X
19 Dec - 22 Dec	AirAsia X
15 Dec - 24 Dec	AirAsia X
24 Dec - 06 Jan	Thai AirAsia X
15 Dec - 25 Dec	AirAsia X
15 Dec - 27 Dec	AirAsia X
15 Dec - 03 Jan	AirAsia X
19 Dec - 04 Jan	AirAsia X
11 Dec - 24 Dec	Thai AirAsia X
24 Dec - 04 Jan	Thai AirAsia X
19 Dec - 03 Jan	AirAsia X
26 Dec - 12 Jan	Thai AirAsia X
28 Dec - 12 Jan	Thai AirAsia X

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 $406

Return flights