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

Return flights

02 Aug - 16 Aug	China Southern
06 Aug - 26 Aug	Singapore Airlines
21 Aug - 28 Aug	China Southern
02 Aug - 24 Aug	Qantas
03 Aug - 24 Aug	Qantas
02 Aug - 22 Aug	Qantas
31 Aug - 16 Sep	Qantas
23 Aug - 14 Sep	Qantas
22 Aug - 05 Sep	Qantas
12 Aug - 18 Aug	Singapore Airlines
01 Aug - 31 Aug	China Southern
04 Aug - 10 Aug	Singapore Airlines
25 Aug - 11 Sep	Qantas
11 Aug - 27 Aug	Qantas
13 Aug - 10 Sep	China Southern

Also check the deals for one-way flights from Brisbane to Kathmandu in August.

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 August from 592€

Return flights