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

Return flights

26 Jun - 29 Jun	Thai AirAsia
22 Jun - 11 Jul	Thai AirAsia
22 Jun - 09 Jul	Thai AirAsia
22 Jun - 07 Jul	Thai AirAsia
22 Jun - 06 Jul	Thai AirAsia
20 Jun - 11 Jul	Thai AirAsia
20 Jun - 09 Jul	Thai AirAsia
20 Jun - 07 Jul	Thai AirAsia
20 Jun - 06 Jul	Thai AirAsia
16 Jun - 07 Jul	Thai AirAsia
16 Jun - 06 Jul	Thai AirAsia
16 Jun - 20 Jun	Thai AirAsia
22 Jun - 24 Jun	Thai AirAsia
26 Jun - 29 Jun	Vietnam Airlines	direct
18 Jun - 20 Jun	Thai AirAsia
22 Jun - 28 Jun	Thai AirAsia
20 Jun - 24 Jun	Thai AirAsia
16 Jun - 18 Jun	Thai AirAsia
16 Jun - 24 Jun	Thai AirAsia
20 Jun - 28 Jun	Thai AirAsia

Also check the deals for one-way flights from Phnom-penh to Vientiane in June.

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 Phnom-penh to Vientiane in June from $268

Return flights