AirHint found the following cheapest return flights from Perth (PER) to Kathmandu (KTM)
in September 2025 (see full year ).
Return flights
03 Sep
- 22 Sep
Singapore Airlines
$ 534
04 Sep
- 26 Sep
Singapore Airlines
$ 534
03 Sep
- 24 Sep
Singapore Airlines
$ 534
04 Sep
- 22 Sep
Singapore Airlines
$ 534
03 Sep
- 26 Sep
Singapore Airlines
$ 534
04 Sep
- 19 Sep
Singapore Airlines
$ 534
03 Sep
- 19 Sep
Singapore Airlines
$ 534
04 Sep
- 24 Sep
Singapore Airlines
$ 534
01 Sep
- 22 Sep
Singapore Airlines
$ 548
07 Sep
- 22 Sep
Singapore Airlines
$ 548
11 Sep
- 04 Oct
Cathay Pacific
$ 685
08 Sep
- 10 Oct
Malaysia Airlines
$ 708
12 Sep
- 04 Oct
Cathay Pacific
$ 728
22 Sep
- 12 Oct
Malaysia Airlines
$ 766
29 Sep
- 06 Oct
Cathay Pacific
$ 791
30 Sep
- 14 Oct
Malaysia Airlines
$ 802
25 Sep
- 12 Oct
Malaysia Airlines
$ 802
23 Sep
- 12 Oct
Malaysia Airlines
$ 802
28 Sep
- 18 Oct
Malaysia Airlines
$ 819
28 Sep
- 12 Oct
Malaysia Airlines
$ 819
Also check the deals for one-way flights from Perth to Kathmandu in September .
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.