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

Return flights

09 Oct - 19 Oct	Singapore Airlines
22 Oct - 22 Nov	Singapore Airlines
21 Oct - 22 Nov	Singapore Airlines
18 Oct - 15 Nov	Singapore Airlines
21 Oct - 13 Nov	Qantas
01 Oct - 15 Oct	Qantas
21 Oct - 30 Nov	Singapore Airlines
10 Oct - 19 Oct	Malaysia Airlines
21 Oct - 26 Nov	Qantas
06 Oct - 02 Nov	Qantas
19 Oct - 02 Nov	Emirates
18 Oct - 08 Nov	Singapore Airlines
23 Oct - 25 Oct	Malaysia Airlines
01 Oct - 26 Oct	Emirates
01 Oct - 31 Oct	Qantas

Also check the deals for one-way flights from Adelaide to Kathmandu in October.

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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Cheapest return flights from Adelaide to Kathmandu in October from 844€

Return flights