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

Return flights

06 Aug - 21 Aug	China Southern
06 Aug - 16 Sep	China Southern
06 Aug - 19 Aug	China Southern
02 Aug - 12 Aug	China Southern
20 Aug - 26 Aug	China Southern
11 Aug - 21 Aug	China Southern
02 Aug - 28 Sep	China Southern
30 Aug - 13 Sep	China Southern
19 Aug - 12 Sep	Qatar Airways
26 Aug - 15 Sep	Emirates
28 Aug - 11 Sep	Emirates
07 Aug - 20 Aug	Emirates
14 Aug - 23 Aug	Qatar Airways
01 Aug - 09 Aug	Thai Airways
05 Aug - 20 Aug	Emirates
12 Aug - 22 Aug	Qatar Airways
06 Aug - 05 Sep	Emirates
15 Aug - 25 Sep	Emirates

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

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 August from $831

Return flights