AirHint found the following cheapest return flights from Perth (PER) to Kathmandu (KTM) in January 2026 (see full year).

Return flights

21 Jan - 14 Feb	Malaysia Airlines
08 Jan - 08 Feb	Cathay Pacific
19 Jan - 15 Feb	Cathay Pacific
07 Jan - 07 Feb	Cathay Pacific
07 Jan - 28 Jan	Virgin Australia
08 Jan - 30 Jan	Qantas
11 Jan - 20 Jan	Cathay Pacific
14 Jan - 29 Jan	Cathay Pacific
03 Jan - 12 Jan	Cathay Pacific
04 Jan - 14 Jan	Cathay Pacific
03 Jan - 14 Jan	Cathay Pacific
02 Jan - 14 Jan	Cathay Pacific
02 Jan - 13 Jan	Cathay Pacific
03 Jan - 11 Jan	Cathay Pacific

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

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 January from 595€

Return flights