AirHint found the following cheapest return flights from Adelaide (ADL) to Kathmandu (KTM) in April 2026 (see full year).

Return flights

20 Apr - 19 May	Malaysia Airlines
28 Apr - 28 May	Malaysia Airlines
24 Apr - 24 May	Malaysia Airlines
09 Apr - 25 Apr	Jetstar
07 Apr - 21 Apr	China Southern
07 Apr - 23 Apr	China Southern
11 Apr - 25 Apr	Jetstar
09 Apr - 22 Apr	Jetstar
09 Apr - 23 Apr	Jetstar
07 Apr - 22 Apr	China Southern
08 Apr - 23 Apr	Jetstar
02 Apr - 05 May	Indonesia AirAsia
08 Apr - 22 Apr	Jetstar
09 Apr - 24 Apr	China Southern
06 Apr - 05 May	Malaysia Airlines
07 Apr - 07 May	Malaysia Airlines
07 Apr - 05 May	Malaysia Airlines
02 Apr - 06 May	Malaysia Airlines
10 Apr - 02 May	Malaysia Airlines
08 Apr - 06 May	Emirates

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

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 April from $598

Return flights