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

Return flights

11 Dec - 15 Dec	Jeju Air
06 Dec - 11 Dec	Jeju Air
21 Dec - 25 Dec	Jeju Air
07 Dec - 18 Dec	Jeju Air
06 Dec - 13 Dec	Jeju Air
18 Dec - 21 Dec	Jeju Air
21 Dec - 26 Dec	Jeju Air
06 Dec - 14 Dec	Jeju Air
27 Dec - 01 Jan	Jeju Air
07 Dec - 14 Dec	Jeju Air
27 Dec - 02 Jan	Jeju Air
28 Dec - 02 Jan	Jeju Air
24 Dec - 29 Dec	Jeju Air
25 Dec - 01 Jan	Jeju Air
31 Dec - 02 Jan	Jeju Air
26 Dec - 01 Jan	Jeju Air

Also check the deals for one-way flights from Busan 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 Busan to Vientiane in December from 486€

Return flights