AirHint found the following cheapest one-way flights from Phnom-penh (PNH) to Vientiane (VTE) in January 2026 (see full year).

One-Way flights

14 Jan	Thai AirAsia
23 Jan	Thai AirAsia
21 Jan	Thai AirAsia
15 Jan	Thai AirAsia
05 Jan	Air Cambodia
07 Jan	Air Cambodia
03 Jan	Air Cambodia
02 Jan	Air Cambodia
15 Jan	Vietnam Airlines	direct
03 Jan	Vietnam Airlines	direct

Also check the deals for return flights from Phnom-penh to Vientiane in January.

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

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Cheapest one-way flights from Phnom-penh to Vientiane in January from $145

One-Way flights