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

Return flights

11 Oct - 08 Nov	Scoot Tigerair
08 Oct - 29 Nov	Scoot Tigerair
10 Oct - 08 Nov	Scoot Tigerair
31 Oct - 15 Nov	Scoot Tigerair
31 Oct - 08 Nov	AirAsia X
31 Oct - 20 Nov	AirAsia X
04 Oct - 22 Oct	China Southern
02 Oct - 08 Oct	China Southern
07 Oct - 12 Oct	Thai Airways

Also check the deals for one-way flights from Sydney 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 Sydney to Vientiane in October from 372€

Return flights