AirHint found the following cheapest return flights from Chiang Mai (CNX) to Vientiane (VTE) in October 2025 (see full year).

Return flights

08 Oct - 15 Oct	Thai AirAsia
15 Oct - 24 Oct	Thai AirAsia
06 Oct - 15 Oct	Thai AirAsia
11 Oct - 15 Oct	Thai AirAsia
08 Oct - 24 Oct	Thai AirAsia
09 Oct - 15 Oct	Thai AirAsia
15 Oct - 28 Oct	Thai AirAsia
08 Oct - 28 Oct	Thai AirAsia
06 Oct - 24 Oct	Thai AirAsia
11 Oct - 24 Oct	Thai AirAsia
28 Oct - 15 Nov	Thai AirAsia
25 Oct - 15 Nov	Thai AirAsia
15 Oct - 02 Nov	Thai AirAsia
26 Oct - 15 Nov	Thai AirAsia
28 Oct - 02 Nov	Thai AirAsia
21 Oct - 02 Nov	Thai AirAsia
25 Oct - 02 Nov	Thai AirAsia
26 Oct - 02 Nov	Thai AirAsia
15 Oct - 01 Nov	Thai AirAsia
22 Oct - 02 Nov	Thai AirAsia

Also check the deals for one-way flights from Chiang Mai to Vientiane in October.

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 Chiang Mai to Vientiane in October from $216

Return flights