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

Return flights

23 Jan - 27 Jan	Thai AirAsia
17 Jan - 20 Jan	Thai VietJet Air
29 Jan - 30 Jan	Thai AirAsia
26 Jan - 30 Jan	Thai AirAsia
18 Jan - 21 Jan	Thai VietJet Air
16 Jan - 18 Jan	Thai AirAsia
18 Jan - 25 Jan	Thai AirAsia
24 Jan - 10 Feb	Lao Airlines
24 Jan - 13 Feb	Lao Airlines
24 Jan - 27 Jan	Lao Airlines
24 Jan - 11 Feb	Lao Airlines
24 Jan - 30 Jan	Lao Airlines
24 Jan - 03 Feb	Lao Airlines
24 Jan - 07 Feb	Lao Airlines
15 Jan - 17 Jan	Thai AirAsia
24 Jan - 05 Feb	Lao Airlines
27 Jan - 10 Feb	Lao Airlines
22 Jan - 10 Feb	Lao Airlines
27 Jan - 13 Feb	Lao Airlines
24 Jan - 12 Feb	Lao Airlines

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

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 January from $264

Return flights