Cheapest one-way flights from Bangkok to Kathmandu in September from $114

AirHint found the following cheapest one-way flights from Bangkok (BKK) to Kathmandu (KTM) in September 2026 (see full year).

One-Way flights

04 Sep Thai AirAsia direct
16 Sep Thai AirAsia direct
13 Sep Thai AirAsia direct
21 Sep Thai Lion Air direct
28 Sep Thai Lion Air direct
03 Sep Thai AirAsia X
17 Sep Air India
03 Sep Thai Airways direct
17 Sep Thai Airways direct
23 Sep flydubai

Also check the deals for return flights from Bangkok to Kathmandu in September.

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.