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

Return flights

31 Jul - 08 Aug	Malaysia Airlines
15 Jul - 30 Jul	Singapore Airlines
16 Jul - 25 Jul	Cathay Pacific
08 Jul - 15 Aug	Cathay Pacific
09 Jul - 16 Aug	Cathay Pacific
09 Jul - 17 Aug	Cathay Pacific
08 Jul - 16 Aug	Cathay Pacific
14 Jul - 22 Jul	Cathay Pacific
06 Jul - 27 Jul	Cathay Pacific
02 Jul - 09 Jul	Cathay Pacific
01 Jul - 08 Jul	Cathay Pacific
06 Jul - 20 Jul	Batik Air Malaysia
04 Jul - 07 Jul	Cathay Pacific
08 Jul - 15 Jul	Cathay Pacific
07 Jul - 20 Jul	Cathay Pacific
01 Jul - 15 Aug	IndiGo

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

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 July from $553

Return flights