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

Return flights

12 Dec - 19 Dec	AirAsia
14 Dec - 21 Dec	AirAsia
11 Dec - 05 Jan	AirAsia
12 Dec - 04 Jan	AirAsia
13 Dec - 23 Jan	AirAsia
25 Dec - 02 Jan	AirAsia
19 Dec - 26 Dec	AirAsia
16 Dec - 16 Jan	Batik Air Malaysia
19 Dec - 31 Dec	AirAsia
12 Dec - 10 Jan	AirAsia
11 Dec - 11 Jan	AirAsia
11 Dec - 15 Jan	AirAsia
15 Dec - 25 Jan	AirAsia
20 Dec - 16 Jan	AirAsia
17 Dec - 30 Dec	Thai Airways

Also check the deals for one-way flights from Perth to Karachi 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 Perth to Karachi in December from $868

Return flights