AirHint found the following cheapest return flights from Karachi (KHI) to Perth (PER) in August 2025 (see full year).

Return flights

24 Aug - 31 Aug	AirAsia X
07 Aug - 21 Aug	Batik Air Malaysia
10 Aug - 13 Aug	AirAsia X
27 Aug - 07 Sep	AirAsia X
10 Aug - 12 Aug	AirAsia X
08 Aug - 13 Aug	AirAsia X
08 Aug - 12 Aug	AirAsia X
06 Aug - 13 Aug	AirAsia X
06 Aug - 12 Aug	AirAsia X
18 Aug - 07 Sep	AirAsia X
25 Aug - 07 Sep	AirAsia X
31 Aug - 07 Sep	AirAsia X
20 Aug - 07 Sep	AirAsia X
24 Aug - 07 Sep	AirAsia X
08 Aug - 11 Aug	AirAsia X
06 Aug - 11 Aug	AirAsia X
27 Aug - 01 Sep	AirAsia X
27 Aug - 09 Sep	AirAsia X
27 Aug - 15 Sep	AirAsia X
18 Aug - 01 Sep	AirAsia X

Also check the deals for one-way flights from Karachi to Perth 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 Karachi to Perth in August from 497€

Return flights