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

Return flights

25 Oct - 05 Nov	SriLankan Airlines
15 Oct - 22 Oct	AirAsia X
01 Oct - 05 Oct	AirAsia X
20 Oct - 27 Oct	AirAsia X
01 Oct - 06 Oct	AirAsia X
26 Oct - 02 Nov	AirAsia X
26 Oct - 01 Nov	AirAsia X
22 Oct - 05 Nov	AirAsia X
11 Oct - 02 Nov	Batik Air Malaysia
11 Oct - 01 Nov	Batik Air Malaysia
26 Oct - 31 Oct	AirAsia X
22 Oct - 09 Nov	AirAsia X
20 Oct - 28 Oct	AirAsia X
26 Oct - 05 Nov	AirAsia X
25 Oct - 30 Oct	Batik Air Malaysia
26 Oct - 09 Nov	AirAsia X
20 Oct - 05 Nov	AirAsia X
20 Oct - 26 Oct	AirAsia X
02 Oct - 14 Oct	Batik Air Malaysia
22 Oct - 27 Oct	AirAsia X

Also check the deals for one-way flights from Karachi to Singapore 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 Karachi to Singapore in October from 413€

Return flights