Cheapest return flights from Sydney to Kathmandu in September from 508€

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

Return flights

07 Sep - 22 Sep Scoot
01 Sep - 08 Sep Singapore Airlines
01 Sep - 30 Sep Vietnam Airlines
21 Sep - 19 Oct Singapore Airlines
24 Sep - 24 Oct Cathay Pacific
15 Sep - 15 Oct Cathay Pacific
24 Sep - 22 Oct Cathay Pacific
16 Sep - 05 Oct Singapore Airlines
20 Sep - 31 Oct Singapore Airlines

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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