Cheapest one-way flights from Bangkok to Kathmandu in September from 123€

Best time to book flights for Bangkok (DMK) to Kathmandu (KTM) flights at AirHint

AirHint found the following cheapest one-way flights from Bangkok (DMK) to Kathmandu (KTM) in September 2025 (see full year).

One-Way flights

22 Sep Thai AirAsia direct
28 Sep Thai AirAsia direct
26 Sep Thai AirAsia direct
15 Sep Thai AirAsia direct
08 Sep Thai AirAsia direct
05 Sep Thai AirAsia direct
14 Sep Thai AirAsia direct
27 Sep Thai Lion Air direct

Also check the deals for return 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.

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