Cheapest return flights from Sydney to Kathmandu in September from 556€

AirHint found the following cheapest return flights from Sydney (SYD) to Kathmandu (KTM) in September 2026 (see full year).

Return flights

08 Sep - 13 Oct Scoot
10 Sep - 16 Sep Air India
17 Sep - 28 Sep Singapore Airlines
01 Sep - 30 Sep Singapore Airlines
25 Sep - 30 Oct Singapore Airlines
11 Sep - 25 Sep Singapore Airlines
16 Sep - 30 Sep Singapore Airlines
30 Sep - 17 Oct Singapore Airlines
25 Sep - 08 Oct Air India
26 Sep - 17 Oct Cathay Pacific
04 Sep - 23 Sep China Southern

Also check the deals for one-way flights from Sydney 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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