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

Return flights

23 Dec - 30 Dec	Thai Lion Air
17 Dec - 07 Jan	Thai AirAsia
01 Dec - 03 Dec	Thai AirAsia
01 Dec - 17 Dec	Thai AirAsia
01 Dec - 22 Dec	Thai AirAsia
15 Dec - 17 Dec	Thai AirAsia
15 Dec - 22 Dec	Thai AirAsia
17 Dec - 22 Dec	Thai AirAsia
01 Dec - 12 Dec	Thai AirAsia
01 Dec - 19 Dec	Thai AirAsia
15 Dec - 19 Dec	Thai AirAsia
24 Dec - 07 Jan	Thai AirAsia
22 Dec - 07 Jan	Thai AirAsia
15 Dec - 04 Jan	Thai AirAsia
15 Dec - 05 Jan	Thai AirAsia
17 Dec - 04 Jan	Thai AirAsia
17 Dec - 05 Jan	Thai AirAsia
21 Dec - 07 Jan	Thai AirAsia
15 Dec - 02 Jan	Thai AirAsia
17 Dec - 02 Jan	Thai AirAsia

Also check the deals for one-way flights from Kathmandu to Kuala Lumpur 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 Kathmandu to Kuala Lumpur in December from $343

Return flights