Cheapest return flights from Sydney to Kathmandu in September from 460€

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

Return flights

09 Sep - 19 Sep China Southern
05 Sep - 10 Sep China Southern
09 Sep - 16 Sep China Southern
04 Sep - 22 Sep China Southern
01 Sep - 22 Sep China Southern
01 Sep - 09 Sep China Southern
01 Sep - 16 Sep China Southern
04 Sep - 14 Sep China Southern
04 Sep - 13 Sep China Southern
06 Sep - 12 Oct AirAsia X
18 Sep - 17 Oct Scoot Tigerair
15 Sep - 07 Oct Scoot Tigerair
17 Sep - 09 Oct AirAsia X
18 Sep - 24 Oct Xiamen Airlines
20 Sep - 29 Oct Cebu Pacific
06 Sep - 23 Oct SriLankan Airlines
10 Sep - 06 Oct Air India
02 Sep - 20 Sep China Southern
20 Sep - 08 Oct Air India
11 Sep - 04 Oct China Eastern

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

Skyscanner

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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