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

Return flights

29 Jan - 27 Feb	Scoot
18 Jan - 08 Feb	Scoot
18 Jan - 06 Feb	Scoot
31 Jan - 14 Feb	Scoot
25 Jan - 31 Jan	Scoot
19 Jan - 27 Feb	Qantas
15 Jan - 20 Feb	Air India
24 Jan - 21 Feb	Air India
18 Jan - 20 Feb	Air India
26 Jan - 26 Feb	Air India
29 Jan - 26 Feb	Air India
26 Jan - 29 Jan	China Southern
22 Jan - 25 Jan	Scoot
19 Jan - 31 Jan	Cathay Pacific
13 Jan - 20 Jan	Cathay Pacific
18 Jan - 31 Jan	Cathay Pacific
17 Jan - 31 Jan	Cathay Pacific
17 Jan - 18 Jan	Cathay Pacific
22 Jan - 26 Jan	Singapore Airlines
19 Jan - 28 Jan	Cathay Pacific

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 $681

Return flights