AirHint found the following cheapest return flights from Melbourne (MEL) to Karachi (KHI) in September 2025 (see full year).

Return flights

13 Sep - 28 Oct	AirAsia X
17 Sep - 30 Oct	Batik Air Malaysia
12 Sep - 12 Oct	Batik Air Malaysia
22 Sep - 19 Oct	Virgin Australia
14 Sep - 16 Oct	Batik Air Malaysia
17 Sep - 17 Oct	Batik Air
21 Sep - 20 Oct	Jetstar
17 Sep - 15 Oct	AirAsia X
15 Sep - 15 Oct	Virgin Australia
13 Sep - 20 Sep	Batik Air Malaysia
19 Sep - 14 Oct	Batik Air Malaysia
10 Sep - 17 Sep	Jetstar
15 Sep - 22 Sep	Jetstar
14 Sep - 15 Sep	AirAsia X
14 Sep - 24 Sep	AirAsia X
12 Sep - 27 Sep	Batik Air Malaysia
14 Sep - 26 Sep	AirAsia X
10 Sep - 15 Sep	AirAsia X
14 Sep - 29 Sep	AirAsia X
10 Sep - 14 Sep	AirAsia X

Also check the deals for one-way flights from Melbourne to Karachi in September.

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 Melbourne to Karachi in September from 732€

Return flights