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

Return flights

21 Apr - 13 May	VietJet Air
14 Apr - 24 May	Scoot
15 Apr - 24 May	AirAsia X
15 Apr - 05 May	AirAsia X
14 Apr - 22 May	Scoot
16 Apr - 07 May	Scoot
28 Apr - 25 May	Singapore Airlines
19 Apr - 29 May	AirAsia X
15 Apr - 22 Apr	Malaysia Airlines
05 Apr - 05 May	AirAsia X
19 Apr - 31 May	Malaysia Airlines
17 Apr - 22 Apr	Singapore Airlines
13 Apr - 28 Apr	Singapore Airlines
07 Apr - 25 Apr	Singapore Airlines
01 Apr - 08 Apr	Thai Airways
01 Apr - 30 Apr	Thai Airways
08 Apr - 22 Apr	Thai Airways
01 Apr - 22 Apr	Thai Airways
01 Apr - 24 Apr	Thai Airways
04 Apr - 19 Apr	Air India

Also check the deals for one-way flights from Sydney 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 Sydney to Kathmandu in April from 477€

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