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

Return flights

21 Jul - 23 Aug	Malaysia Airlines
21 Jul - 04 Aug	Malaysia Airlines
24 Jul - 11 Aug	Malaysia Airlines
24 Jul - 12 Aug	Malaysia Airlines
26 Jul - 08 Aug	Malaysia Airlines
25 Jul - 08 Aug	Malaysia Airlines
07 Jul - 06 Aug	Qantas
07 Jul - 11 Aug	Qantas
07 Jul - 12 Aug	Qantas
20 Jul - 25 Jul	Air India
02 Jul - 31 Jul	Malaysia Airlines
01 Jul - 31 Jul	Malaysia Airlines
11 Jul - 18 Jul	Singapore Airlines

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

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 July from $643

Return flights