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

Return flights

01 Dec - 22 Dec	China Southern
04 Dec - 10 Dec	China Southern
03 Dec - 31 Jan	China Southern
10 Dec - 21 Dec	Qantas
22 Dec - 27 Dec	China Southern
23 Dec - 07 Jan	China Southern
10 Dec - 31 Dec	China Southern
31 Dec - 10 Jan	China Southern
03 Dec - 03 Dec	Emirates
17 Dec - 06 Jan	China Southern
06 Dec - 18 Jan	Qantas
02 Dec - 28 Dec	IndiGo
27 Dec - 04 Jan	Cathay Pacific
26 Dec - 18 Jan	Cathay Pacific
08 Dec - 22 Jan	China Southern
25 Dec - 20 Jan	Cathay Pacific
20 Dec - 26 Jan	China Southern
02 Dec - 02 Dec	Emirates

Also check the deals for one-way flights from Brisbane 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 Brisbane to Kathmandu in December from $1111

Return flights