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

Return flights

07 Dec - 08 Jan	AirAsia X
08 Dec - 15 Dec	AirAsia X
05 Dec - 10 Dec	AirAsia X
05 Dec - 12 Dec	AirAsia X
06 Dec - 14 Dec	Batik Air Malaysia
16 Dec - 24 Dec	Batik Air Malaysia
18 Dec - 26 Dec	Batik Air Malaysia
19 Dec - 26 Dec	AirAsia X
06 Dec - 06 Jan	Batik Air Malaysia
08 Dec - 21 Dec	Qatar Airways
26 Dec - 02 Jan	AirAsia X
25 Dec - 03 Jan	Batik Air Malaysia
06 Dec - 10 Dec	SalamAir
27 Dec - 02 Jan	Qatar Airways
20 Dec - 18 Jan	Qatar Airways
21 Dec - 23 Dec	Qatar Airways

Also check the deals for one-way flights from Karachi to Singapore in December.

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.

Book a cheap hotel in Singapore

Cheap car rent in Singapore

Cheapest return flights from Karachi to Singapore in December from 490€

Return flights