AirHint found the following cheapest return flights from Chiang Mai (CNX) to Vientiane (VTE) in March 2026 (see full year).

Return flights

04 Mar - 11 Mar	Thai AirAsia
05 Mar - 12 Mar	Thai AirAsia
06 Mar - 09 Mar	Thai AirAsia
09 Mar - 11 Mar	Thai AirAsia
23 Mar - 26 Mar	Thai AirAsia
05 Mar - 22 Mar	Lao Airlines
05 Mar - 26 Mar	Lao Airlines
05 Mar - 10 Mar	Lao Airlines
05 Mar - 21 Mar	Lao Airlines
17 Mar - 22 Mar	Lao Airlines
17 Mar - 05 Apr	Lao Airlines
17 Mar - 06 Apr	Lao Airlines
15 Mar - 05 Apr	Lao Airlines

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

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 March from 182€

Return flights