Cheapest return flights from Sydney to Kathmandu in December from $943

Best time to book flights for Sydney (SYD) to Kathmandu (KTM) flights at AirHint

AirHint found the following cheapest return flights from Sydney (SYD) to Kathmandu (KTM) in December 2025 (see full year).

Return flights

10 Dec - 12 Jan Malaysia Airlines
04 Dec - 23 Jan Malaysia Airlines
10 Dec - 02 Jan Malaysia Airlines
24 Dec - 31 Dec Singapore Airlines
25 Dec - 31 Dec Singapore Airlines
18 Dec - 13 Jan Malaysia Airlines
05 Dec - 03 Jan Singapore Airlines
25 Dec - 09 Jan Malaysia Airlines
17 Dec - 31 Dec Singapore Airlines
26 Dec - 12 Jan Singapore Airlines
24 Dec - 09 Jan Malaysia Airlines
22 Dec - 28 Jan Malaysia Airlines
26 Dec - 09 Jan Singapore Airlines
20 Dec - 27 Dec Malaysia Airlines

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

Skyscanner

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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