Cheapest return flights from Kathmandu to Bangkok in September from $291

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

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

Return flights

14 Sep - 19 Sep Thai AirAsia direct
14 Sep - 22 Sep Thai AirAsia direct
19 Sep - 22 Sep Thai AirAsia direct
28 Sep - 19 Oct Thai AirAsia direct
26 Sep - 17 Oct Thai AirAsia direct
26 Sep - 13 Oct Thai AirAsia direct
28 Sep - 17 Oct Thai AirAsia direct
28 Sep - 13 Oct Thai AirAsia direct
16 Sep - 19 Sep Thai Lion Air direct

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