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

Return flights

15 Jan - 30 Jan	Qantas
07 Jan - 07 Feb	Cathay Pacific
06 Jan - 07 Feb	Cathay Pacific
21 Jan - 28 Jan	Cathay Pacific
02 Jan - 07 Feb	Cathay Pacific
03 Jan - 07 Feb	Cathay Pacific
04 Jan - 07 Feb	Cathay Pacific
05 Jan - 07 Feb	Singapore Airlines
01 Jan - 07 Feb	Malaysia Airlines

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 657€

Return flights