AirHint found the following cheapest return flights from Phnom-penh (PNH) to Vientiane (VTE) in October 2025 (see full year).

Return flights

22 Oct - 28 Oct	Thai AirAsia
22 Oct - 27 Oct	Thai AirAsia
22 Oct - 12 Nov	Thai AirAsia
14 Oct - 14 Nov	Cambodia Airways
06 Oct - 21 Oct	Thai AirAsia
06 Oct - 27 Oct	Thai AirAsia
22 Oct - 26 Oct	Thai AirAsia
22 Oct - 24 Oct	Thai AirAsia
06 Oct - 26 Oct	Thai AirAsia
10 Oct - 28 Oct	Thai AirAsia
11 Oct - 28 Oct	Thai AirAsia
10 Oct - 27 Oct	Thai AirAsia
14 Oct - 14 Nov	Vietnam Airlines	direct
22 Oct - 06 Nov	Thai AirAsia
31 Oct - 12 Nov	Thai AirAsia
27 Oct - 12 Nov	Thai AirAsia
26 Oct - 12 Nov	Thai AirAsia
31 Oct - 21 Nov	Thai AirAsia
31 Oct - 14 Nov	Thai AirAsia
27 Oct - 14 Nov	Thai AirAsia

Also check the deals for one-way flights from Phnom-penh 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.

Book a cheap hotel in Vientiane

Cheap car rent in Vientiane

Cheapest return flights from Phnom-penh to Vientiane in October from 229€

Return flights