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

Return flights

25 Aug - 01 Sep	AirAsia
31 Aug - 03 Sep	AirAsia
31 Aug - 08 Sep	AirAsia
31 Aug - 07 Sep	AirAsia
31 Aug - 01 Sep	AirAsia
01 Aug - 31 Aug	Air India
15 Aug - 03 Sep	AirAsia
15 Aug - 25 Aug	AirAsia
15 Aug - 01 Sep	AirAsia
15 Aug - 24 Aug	AirAsia
15 Aug - 31 Aug	AirAsia
28 Aug - 31 Aug	Thai Airways
31 Aug - 15 Sep	AirAsia
27 Aug - 03 Sep	AirAsia
27 Aug - 08 Sep	AirAsia
27 Aug - 31 Aug	AirAsia
06 Aug - 25 Aug	AirAsia
06 Aug - 08 Aug	AirAsia
06 Aug - 15 Aug	AirAsia
06 Aug - 24 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 389€

Return flights