Cheapest return flights from Bangkok to Kathmandu in December from $137

AirHint found the following cheapest return flights from Bangkok (BKK) to Kathmandu (KTM) in December 2026 (see full year).

Return flights

14 Dec - 10 Jan Thai AirAsia direct
04 Dec - 14 Dec Thai AirAsia direct
07 Dec - 01 Jan Thai AirAsia direct
28 Dec - 03 Jan Thai AirAsia direct
31 Dec - 31 Dec Thai Lion Air
05 Dec - 09 Dec Thai Airways direct
30 Dec - 02 Jan Thai Airways direct
01 Dec - 08 Dec flydubai

Also check the deals for one-way flights from Bangkok to Kathmandu 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.

Book a cheap hotel in Kathmandu

Cheap car rent in Kathmandu

Feel free to contact us with any feedback or request another flight research.