Cheapest return flights from Kathmandu to Bangkok in September from $232

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

13 Sep - 17 Sep Thai AirAsia direct
11 Sep - 14 Sep Thai AirAsia direct
23 Sep - 25 Sep Thai AirAsia direct
11 Sep - 20 Sep Thai AirAsia direct
11 Sep - 19 Sep Thai AirAsia direct
13 Sep - 20 Sep Thai AirAsia direct
13 Sep - 19 Sep Thai AirAsia direct
23 Sep - 27 Sep Thai AirAsia direct
13 Sep - 25 Sep Thai AirAsia direct
11 Sep - 13 Sep Thai AirAsia direct
23 Sep - 04 Oct Thai AirAsia direct
23 Sep - 06 Oct Thai AirAsia direct
23 Sep - 13 Oct Thai AirAsia direct
23 Sep - 03 Oct Thai AirAsia direct
23 Sep - 09 Oct Thai AirAsia direct
13 Sep - 04 Oct Thai AirAsia direct
13 Sep - 03 Oct Thai AirAsia direct
23 Sep - 11 Oct Thai AirAsia direct
27 Sep - 04 Oct Thai AirAsia direct
27 Sep - 06 Oct Thai AirAsia direct

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

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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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