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

Return flights

03 Dec - 13 Dec	AirAsia X
23 Dec - 04 Jan	Batik Air Malaysia
07 Dec - 14 Dec	AirAsia X
15 Dec - 22 Dec	SalamAir
12 Dec - 25 Dec	AirAsia X
28 Dec - 05 Jan	AirAsia X
09 Dec - 25 Dec	Qatar Airways
10 Dec - 17 Dec	AirAsia X
19 Dec - 27 Dec	AirAsia X
19 Dec - 26 Dec	AirAsia X
20 Dec - 31 Dec	Thai Airways
28 Dec - 06 Jan	AirAsia X
19 Dec - 03 Jan	AirAsia X

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 494€

Return flights