AirHint found the following cheapest return flights from Perth (PER) to Kathmandu (KTM) in October 2025 (see full year).

Return flights

08 Oct - 20 Oct	Cathay Pacific
20 Oct - 16 Nov	Malaysia Airlines
13 Oct - 14 Nov	Malaysia Airlines
15 Oct - 15 Nov	Cathay Pacific
20 Oct - 08 Nov	Cathay Pacific
18 Oct - 09 Nov	Thai Airways
21 Oct - 08 Nov	Cathay Pacific
17 Oct - 09 Nov	Thai Airways
17 Oct - 08 Nov	Cathay Pacific
28 Oct - 05 Nov	Malaysia Airlines
20 Oct - 06 Nov	Malaysia Airlines
13 Oct - 25 Oct	Cathay Pacific
05 Oct - 23 Oct	IndiGo
04 Oct - 23 Oct	IndiGo
14 Oct - 28 Oct	IndiGo
01 Oct - 24 Oct	IndiGo

Also check the deals for one-way flights from Perth to Kathmandu in October.

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 Perth to Kathmandu in October from 633€

Return flights