Cheapest return flights from Perth to Kathmandu in September from 583€

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

Return flights

28 Sep - 18 Oct Jetstar
11 Sep - 02 Oct Batik Air Malaysia
02 Sep - 11 Sep IndiGo
08 Sep - 15 Sep Cathay Pacific
08 Sep - 21 Sep Cathay Pacific
09 Sep - 20 Oct Cathay Pacific
19 Sep - 26 Oct AirAsia
29 Sep - 26 Oct Scoot Tigerair
09 Sep - 19 Sep Thai Airways
11 Sep - 29 Sep IndiGo
04 Sep - 16 Oct IndiGo
23 Sep - 28 Oct IndiGo
23 Sep - 27 Oct IndiGo
20 Sep - 12 Oct IndiGo
23 Sep - 29 Oct IndiGo

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

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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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