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

Return flights

05 Dec - 12 Dec	Jetstar
16 Dec - 12 Jan	Jetstar
15 Dec - 15 Jan	Batik Air Malaysia
01 Dec - 07 Dec	Air India
03 Dec - 24 Dec	Cathay Pacific
01 Dec - 19 Dec	Air India
05 Dec - 06 Jan	China Southern
10 Dec - 07 Jan	China Southern
22 Dec - 05 Jan	China Southern
09 Dec - 07 Jan	China Southern
23 Dec - 07 Jan	China Southern
07 Dec - 31 Jan	Singapore Airlines
07 Dec - 21 Dec	SriLankan Airlines
16 Dec - 30 Dec	Cathay Pacific
06 Dec - 23 Dec	Thai Airways
07 Dec - 29 Jan	Cathay Pacific
05 Dec - 23 Dec	Cathay Pacific
08 Dec - 22 Dec	Air India
04 Dec - 13 Jan	China Southern
02 Dec - 09 Dec	China Southern

Also check the deals for one-way flights from Melbourne 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 Melbourne to Kathmandu in December from $626

Return flights