Cheapest return flights from Kathmandu to Vientiane in September from 389€

AirHint found the following cheapest return flights from Kathmandu (KTM) to Vientiane (VTE) in September 2025 (see full year).

Return flights

19 Sep - 21 Sep Thai AirAsia
19 Sep - 22 Sep Thai AirAsia
19 Sep - 05 Oct Thai AirAsia
19 Sep - 28 Sep Thai AirAsia

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

Skyscanner

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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