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

Return flights

29 Dec - 06 Jan	Cathay Pacific
05 Dec - 12 Dec	Malaysia Airlines
01 Dec - 28 Dec	Qantas
29 Dec - 07 Jan	Cathay Pacific
29 Dec - 09 Jan	Cathay Pacific
27 Dec - 06 Jan	Qantas
29 Dec - 08 Jan	Malaysia Airlines
27 Dec - 07 Jan	Qantas
07 Dec - 11 Jan	Cathay Pacific
29 Dec - 10 Jan	Singapore Airlines
27 Dec - 10 Jan	Singapore Airlines
28 Dec - 10 Jan	Singapore Airlines

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 833€

Return flights