Cheapest return flights from Adelaide to Kathmandu in September from $817

Best time to book flights for Adelaide (ADL) to Kathmandu (KTM) flights at AirHint

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

Return flights

01 Sep - 10 Sep Singapore Airlines
16 Sep - 22 Oct Malaysia Airlines
11 Sep - 06 Oct Singapore Airlines
19 Sep - 26 Sep Malaysia Airlines
23 Sep - 26 Oct Malaysia Airlines
23 Sep - 28 Oct Malaysia Airlines
30 Sep - 10 Oct Malaysia Airlines
23 Sep - 30 Oct Malaysia Airlines
22 Sep - 26 Oct Qantas
27 Sep - 28 Oct Qantas
18 Sep - 04 Oct Malaysia Airlines
29 Sep - 29 Oct Qantas

Also check the deals for one-way flights from Adelaide 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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