AirHint found the following cheapest one-way flights from Phnom-penh (PNH) to Vientiane (VTE) in September 2025 (see full year).
One-Way flights
| 30 Sep | Thai AirAsia | ||
| 21 Sep | Thai AirAsia | ||
| 25 Sep | Thai AirAsia | ||
| 12 Sep | Thai AirAsia | ||
| 29 Sep | Thai AirAsia | ||
| 07 Sep | Thai AirAsia | ||
| 02 Sep | Thai AirAsia | ||
| 05 Sep | Thai AirAsia | ||
| 27 Sep | Thai AirAsia | ||
| 04 Sep | Thai AirAsia |
Also check the deals for return flights from Phnom-penh to Vientiane in September.
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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