Cheapest return flights from Kathmandu to Bangkok in September from $225

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

03 Sep - 10 Sep Thai AirAsia direct
12 Sep - 19 Sep Thai AirAsia direct
15 Sep - 19 Sep Thai AirAsia direct
03 Sep - 19 Sep Thai AirAsia direct
07 Sep - 19 Sep Thai AirAsia direct
07 Sep - 10 Sep Thai AirAsia direct
12 Sep - 15 Sep Thai AirAsia direct
03 Sep - 15 Sep Thai AirAsia direct
17 Sep - 19 Sep Thai AirAsia direct
07 Sep - 15 Sep Thai AirAsia direct
12 Sep - 01 Oct Thai AirAsia direct
15 Sep - 01 Oct Thai AirAsia direct
22 Sep - 01 Oct Thai AirAsia direct
15 Sep - 06 Oct Thai AirAsia direct
22 Sep - 10 Oct Thai AirAsia direct
22 Sep - 06 Oct Thai AirAsia direct
22 Sep - 12 Oct Thai AirAsia direct
17 Sep - 01 Oct Thai AirAsia direct
17 Sep - 06 Oct Thai AirAsia direct
28 Sep - 01 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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