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

Return flights

06 Dec - 13 Dec	Vietnam Airlines
07 Dec - 14 Dec	Vietnam Airlines
07 Dec - 14 Dec	Asiana Airlines	direct
11 Dec - 15 Dec	Jeju Air
13 Dec - 20 Dec	Jeju Air
10 Dec - 15 Dec	Jeju Air
20 Dec - 25 Dec	Jeju Air
21 Dec - 25 Dec	Jeju Air
11 Dec - 16 Dec	Jeju Air
13 Dec - 16 Dec	Jeju Air
27 Dec - 01 Jan	Jeju Air
27 Dec - 02 Jan	Jeju Air
25 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 $254

Return flights