AirHint found the following cheapest return flights from Sydney (SYD) to Karachi (KHI) in October 2025 (see full year).

Return flights

22 Oct - 31 Oct	AirAsia X
22 Oct - 07 Nov	AirAsia X
11 Oct - 31 Oct	AirAsia X
22 Oct - 24 Oct	AirAsia X
11 Oct - 24 Oct	AirAsia X
01 Oct - 31 Oct	AirAsia X
10 Oct - 07 Nov	AirAsia X
10 Oct - 24 Oct	AirAsia X
20 Oct - 31 Oct	Qatar Airways
06 Oct - 07 Nov	Qatar Airways
11 Oct - 30 Oct	Virgin Australia
01 Oct - 06 Oct	AirAsia X
10 Oct - 14 Nov	Thai Airways

Also check the deals for one-way flights from Sydney to Karachi in October.

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 Karachi in October from $850

Return flights