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

Return flights

27 Dec - 11 Jan	SriLankan Airlines
27 Dec - 12 Jan	SriLankan Airlines
14 Dec - 21 Dec	SriLankan Airlines
22 Dec - 07 Jan	AirAsia
19 Dec - 07 Jan	AirAsia
22 Dec - 11 Jan	AirAsia
01 Dec - 12 Dec	AirAsia
31 Dec - 12 Jan	AirAsia
17 Dec - 24 Dec	Nepal Airlines
14 Dec - 17 Dec	AirAsia
01 Dec - 17 Dec	AirAsia
31 Dec - 07 Jan	AirAsia
22 Dec - 09 Jan	AirAsia
31 Dec - 16 Jan	AirAsia
06 Dec - 14 Dec	SriLankan Airlines
12 Dec - 19 Dec	Nepal Airlines
31 Dec - 11 Jan	AirAsia
20 Dec - 29 Dec	SriLankan Airlines
01 Dec - 03 Dec	AirAsia
19 Dec - 21 Dec	AirAsia

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

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 Kuala Lumpur to Kathmandu in December from $283

Return flights