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

Return flights

03 Dec - 24 Dec	Scoot
06 Dec - 30 Dec	Batik Air Malaysia
01 Dec - 14 Dec	Air China
07 Dec - 30 Dec	Scoot
08 Dec - 23 Dec	Air China
09 Dec - 30 Dec	Scoot
06 Dec - 31 Dec	Batik Air Malaysia
03 Dec - 20 Jan	Scoot
09 Dec - 31 Dec	Scoot
08 Dec - 21 Jan	Scoot
07 Dec - 22 Dec	Thai Airways
07 Dec - 24 Dec	Thai Airways
05 Dec - 17 Jan	AirAsia X
27 Dec - 27 Jan	Air China
29 Dec - 27 Jan	Air China
17 Dec - 02 Jan	Jetstar
17 Dec - 18 Jan	Jetstar
17 Dec - 17 Jan	Jetstar
17 Dec - 14 Jan	Jetstar
17 Dec - 16 Jan	Jetstar

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

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 Islamabad in December from 1002€

Return flights