Cheapest return flights from Phnom-penh to Vientiane in May from $290

Best time to book flights for Phnom-penh (PNH) to Vientiane (VTE) flights at AirHint

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

Return flights

26 May - 05 Jun Thai AirAsia
12 May - 14 Jun AirAsia Cambodia
07 May - 14 May Thai AirAsia
26 May - 14 Jun Thai AirAsia
11 May - 14 May Thai AirAsia
06 May - 14 May Thai AirAsia
08 May - 14 May Thai AirAsia
07 May - 20 May Thai AirAsia
12 May - 14 May Thai AirAsia
07 May - 22 May Thai AirAsia
07 May - 12 May Thai AirAsia
22 May - 05 Jun Thai AirAsia
11 May - 20 May Thai AirAsia
06 May - 20 May Thai AirAsia
15 May - 05 Jun Thai AirAsia
18 May - 05 Jun Thai AirAsia
17 May - 05 Jun Thai AirAsia
12 May - 14 Jun Vietnam Airlines direct

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

Skyscanner

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