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

Return flights

28 Jan - 22 Feb	Malaysia Airlines
28 Jan - 26 Feb	Malaysia Airlines
20 Jan - 20 Feb	Singapore Airlines
28 Jan - 18 Feb	Cathay Pacific
15 Jan - 28 Feb	Singapore Airlines
20 Jan - 27 Jan	Air India
12 Jan - 21 Feb	Cathay Pacific
12 Jan - 03 Feb	Cathay Pacific
15 Jan - 28 Jan	Air India
13 Jan - 31 Jan	Air India
04 Jan - 31 Jan	Jetstar
06 Jan - 20 Jan	Air India
02 Jan - 06 Jan	Cathay Pacific
01 Jan - 30 Jan	Malaysia Airlines
02 Jan - 29 Jan	Malaysia Airlines
03 Jan - 14 Feb	Malaysia Airlines
26 Jan - 09 Feb	Emirates
28 Jan - 28 Jan	Emirates

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 $665

Return flights