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

Return flights

09 Mar - 16 Mar	Thai Lion Air	direct
09 Mar - 15 Mar	Thai Lion Air	direct
02 Mar - 22 Mar	Thai AirAsia	direct
11 Mar - 15 Mar	Thai AirAsia	direct
15 Mar - 01 Apr	Thai AirAsia	direct
27 Mar - 07 Apr	Thai AirAsia	direct
02 Mar - 06 Mar	Thai AirAsia	direct
28 Mar - 04 Apr	Thai Lion Air
28 Mar - 11 Apr	Thai AirAsia X
01 Mar - 05 Mar	Thai Lion Air
05 Mar - 13 Mar	AirAsia
01 Mar - 12 Mar	Thai Lion Air
05 Mar - 12 Mar	Thai AirAsia X
16 Mar - 16 Mar	Thai AirAsia
25 Mar - 09 Apr	Thai AirAsia

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

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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Cheapest return flights from Bangkok to Kathmandu in March from 160€

Return flights