Cheapest return flights from Phnom-penh to Vientiane in September from 284€

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 September 2025 (see full year).

Return flights

13 Sep - 15 Sep Thai AirAsia
01 Sep - 14 Sep Thai AirAsia
01 Sep - 13 Sep Thai AirAsia
01 Sep - 09 Sep Thai AirAsia
01 Sep - 06 Sep Thai AirAsia
01 Sep - 07 Sep Thai AirAsia
01 Sep - 15 Sep Thai AirAsia
01 Sep - 12 Sep Thai AirAsia
27 Sep - 11 Oct Thai AirAsia
28 Sep - 11 Oct Thai AirAsia
24 Sep - 07 Oct Thai AirAsia
24 Sep - 11 Oct Thai AirAsia
16 Sep - 07 Oct Thai AirAsia
27 Sep - 07 Oct Thai AirAsia
28 Sep - 07 Oct Thai AirAsia
13 Sep - 24 Sep Thai AirAsia
15 Sep - 24 Sep Thai AirAsia
24 Sep - 08 Oct Vietnam Airlines direct
13 Sep - 01 Oct Thai AirAsia
24 Sep - 01 Oct Thai AirAsia

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

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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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