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

Return flights

13 Aug - 18 Aug	AirAsia
13 Aug - 25 Aug	AirAsia
13 Aug - 20 Aug	AirAsia
13 Aug - 24 Aug	AirAsia
01 Aug - 10 Aug	AirAsia
03 Aug - 10 Aug	AirAsia
01 Aug - 08 Aug	AirAsia
01 Aug - 06 Aug	AirAsia
06 Aug - 10 Aug	AirAsia
03 Aug - 08 Aug	AirAsia
24 Aug - 10 Sep	AirAsia
22 Aug - 10 Sep	AirAsia
28 Aug - 10 Sep	AirAsia
24 Aug - 04 Sep	Qatar Airways
01 Aug - 06 Sep	Virgin Australia

Also check the deals for one-way flights from Perth to Karachi 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 Perth to Karachi in August from 671€

Return flights