AirHint found the following cheapest return flights from Kathmandu (KTM) to Kuala Lumpur (KUL) in August 2025 (see full year).

Return flights

29 Aug - 01 Sep	Thai AirAsia
26 Aug - 01 Sep	Thai AirAsia
27 Aug - 01 Sep	Thai AirAsia
29 Aug - 18 Sep	Thai AirAsia
31 Aug - 01 Sep	Thai AirAsia
29 Aug - 19 Sep	Thai AirAsia
29 Aug - 07 Sep	Thai AirAsia
26 Aug - 07 Sep	Thai AirAsia
29 Aug - 02 Sep	Thai AirAsia
26 Aug - 02 Sep	Thai AirAsia
26 Aug - 30 Aug	Thai Airways
29 Aug - 31 Aug	Thai AirAsia
26 Aug - 30 Aug	Batik Air Malaysia	direct
27 Aug - 31 Aug	Thai AirAsia
26 Aug - 27 Aug	Thai AirAsia
26 Aug - 29 Aug	Thai Airways
26 Aug - 29 Aug	Malaysia Airlines	direct
27 Aug - 29 Aug	Thai AirAsia

Also check the deals for one-way flights from Kathmandu to Kuala Lumpur in August.

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 Kathmandu to Kuala Lumpur in August from $400

Return flights