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

Return flights

25 Aug - 08 Sep	AirAsia
24 Aug - 08 Sep	AirAsia
25 Aug - 03 Sep	AirAsia
25 Aug - 01 Sep	AirAsia
24 Aug - 03 Sep	AirAsia
24 Aug - 01 Sep	AirAsia
25 Aug - 10 Sep	AirAsia
24 Aug - 10 Sep	AirAsia
20 Aug - 08 Sep	AirAsia
25 Aug - 05 Sep	AirAsia
20 Aug - 25 Aug	AirAsia
24 Aug - 25 Aug	AirAsia
20 Aug - 22 Aug	AirAsia
17 Aug - 25 Aug	AirAsia
17 Aug - 18 Aug	AirAsia
17 Aug - 22 Aug	AirAsia
03 Aug - 18 Aug	AirAsia
03 Aug - 22 Aug	AirAsia
03 Aug - 15 Aug	AirAsia
03 Aug - 11 Aug	AirAsia

Also check the deals for one-way flights from Singapore 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 Singapore to Karachi in August from $512

Return flights