AirHint found the following cheapest one-way flights from Kathmandu (KTM) to Vientiane (VTE) in December 2025 (see full year).
One-Way flights
| 15 Dec | Thai AirAsia | ||
| 12 Dec | Thai AirAsia | ||
| 13 Dec | Thai Airways | ||
| 02 Dec | Thai Airways |
Also check the deals for return flights from Kathmandu to Vientiane in December.
Powered by
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.
Find us on social media