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

Return flights

03 Dec - 22 Dec	Cathay Pacific
04 Dec - 18 Dec	Cathay Pacific
08 Dec - 23 Dec	Cathay Pacific
22 Dec - 26 Jan	Cathay Pacific
11 Dec - 18 Dec	Cathay Pacific
28 Dec - 25 Jan	Cathay Pacific
01 Dec - 07 Jan	Cathay Pacific
21 Dec - 25 Jan	Cathay Pacific
13 Dec - 20 Dec	Cathay Pacific
17 Dec - 07 Jan	Qantas
15 Dec - 07 Jan	Qantas
02 Dec - 09 Dec	Qantas
01 Dec - 08 Dec	Qantas
20 Dec - 26 Jan	IndiGo
07 Dec - 19 Dec	Qantas
05 Dec - 30 Jan	Qantas
28 Dec - 30 Jan	Qantas
15 Dec - 30 Jan	Qantas
07 Dec - 22 Dec	Qantas
09 Dec - 29 Dec	Qantas

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 952€

Return flights