Cheapest return flights from Bangkok to Kathmandu in September from 195€

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

Return flights

03 Sep - 10 Sep Thai AirAsia direct
02 Sep - 10 Sep Thai Lion Air direct
02 Sep - 06 Sep Thai Lion Air direct
15 Sep - 22 Sep Thai AirAsia direct
01 Sep - 06 Sep Thai AirAsia direct
01 Sep - 13 Sep Thai AirAsia direct
01 Sep - 10 Sep Thai AirAsia direct
01 Sep - 17 Sep Thai AirAsia direct
19 Sep - 24 Sep Thai AirAsia direct
19 Sep - 22 Sep Thai AirAsia direct
19 Sep - 02 Oct Thai AirAsia direct
13 Sep - 02 Oct Thai AirAsia direct
16 Sep - 02 Oct Thai AirAsia direct
08 Sep - 06 Oct Thai AirAsia direct
18 Sep - 02 Oct Thai AirAsia direct
15 Sep - 02 Oct Thai AirAsia direct
12 Sep - 02 Oct Thai AirAsia direct
20 Sep - 10 Oct Thai AirAsia direct
28 Sep - 07 Oct Thai AirAsia direct
19 Sep - 04 Oct Thai AirAsia direct

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

Book a cheap hotel in Kathmandu

Cheap car rent in Kathmandu

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