Cheapest return flights from Adelaide to Kathmandu in September from 1544€

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

Return flights

25 Sep - 15 Oct Singapore Airlines
30 Sep - 15 Oct Singapore Airlines
29 Sep - 14 Oct Singapore Airlines
18 Sep - 25 Sep Singapore Airlines
21 Sep - 28 Sep Singapore Airlines
19 Sep - 28 Sep Malaysia Airlines
16 Sep - 26 Sep Qatar Airways
16 Sep - 25 Sep Qatar Airways
20 Sep - 27 Sep Singapore Airlines
20 Sep - 28 Sep Singapore Airlines
21 Sep - 27 Sep Singapore Airlines
22 Sep - 28 Sep Singapore Airlines
20 Sep - 26 Sep Singapore Airlines
20 Sep - 25 Oct Singapore Airlines
21 Sep - 12 Oct Singapore Airlines
22 Sep - 11 Oct Singapore Airlines
24 Sep - 15 Oct Emirates

Also check the deals for one-way flights from Adelaide 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.

Book a cheap hotel in Kathmandu

Cheap car rent in Kathmandu

Feel free to contact us with any feedback or request another flight research.