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

Return flights

26 Jan - 16 Feb	AirAsia X
26 Jan - 17 Feb	Scoot
31 Jan - 14 Feb	Scoot
22 Jan - 07 Feb	AirAsia X
31 Jan - 26 Feb	SriLankan Airlines
30 Jan - 31 Jan	Scoot
29 Jan - 23 Feb	Cathay Pacific
21 Jan - 25 Feb	Cathay Pacific
26 Jan - 25 Feb	Cathay Pacific
27 Jan - 25 Feb	Cathay Pacific
28 Jan - 25 Feb	Cathay Pacific
02 Jan - 12 Jan	China Eastern
19 Jan - 28 Jan	Cathay Pacific
25 Jan - 29 Jan	Singapore Airlines
18 Jan - 28 Jan	Cathay Pacific
16 Jan - 28 Jan	Cathay Pacific
06 Jan - 17 Jan	AirAsia X
14 Jan - 28 Jan	Cathay Pacific
26 Jan - 31 Jan	Singapore Airlines
12 Jan - 30 Jan	Singapore Airlines

Also check the deals for one-way flights from Sydney to Kathmandu in January.

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 January from 534€

Return flights