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

Return flights

25 Oct - 27 Oct	Jeju Air
10 Oct - 17 Oct	Jeju Air
11 Oct - 17 Oct	Jeju Air
09 Oct - 15 Oct	Jeju Air
16 Oct - 20 Oct	VietJet Air
19 Oct - 23 Oct	VietJet Air
18 Oct - 23 Oct	VietJet Air
16 Oct - 23 Oct	Jeju Air
26 Oct - 29 Oct	Jeju Air
23 Oct - 29 Oct	Jeju Air
31 Oct - 05 Nov	Jeju Air
26 Oct - 01 Nov	Jeju Air
28 Oct - 02 Nov	Jeju Air
27 Oct - 02 Nov	Jeju Air
31 Oct - 04 Nov	Jeju Air
28 Oct - 03 Nov	Jeju Air
29 Oct - 03 Nov	Jeju Air

Also check the deals for one-way flights from Busan to Vientiane in October.

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 October from 269€

Return flights