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

Return flights

19 Aug - 26 Aug	China Southern
20 Aug - 27 Aug	China Southern
22 Aug - 11 Sep	Qantas
16 Aug - 31 Aug	Qantas
16 Aug - 29 Aug	Qantas
26 Aug - 15 Sep	Qantas
18 Aug - 12 Sep	Singapore Airlines
18 Aug - 23 Aug	Singapore Airlines
18 Aug - 31 Aug	Qantas
18 Aug - 07 Sep	Qantas
25 Aug - 05 Sep	Qantas
19 Aug - 18 Sep	Qantas

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 593€

Return flights