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

Return flights

02 Dec - 09 Dec	Gulf Air
01 Dec - 10 Dec	Gulf Air
20 Dec - 28 Dec	Gulf Air
15 Dec - 15 Jan	Gulf Air
15 Dec - 28 Jan	Gulf Air
03 Dec - 26 Dec	Gulf Air
22 Dec - 29 Dec	Gulf Air
14 Dec - 28 Jan	Gulf Air
11 Dec - 14 Dec	Gulf Air
13 Dec - 03 Jan	Flynas
30 Dec - 07 Jan	Flynas
14 Dec - 02 Jan	Gulf Air
02 Dec - 09 Dec	Pegasus Airlines	direct
23 Dec - 29 Dec	Gulf Air
14 Dec - 03 Jan	Turkish Airlines
01 Dec - 10 Dec	Pegasus Airlines	direct
31 Dec - 04 Jan	Air Arabia
15 Dec - 15 Jan	Pegasus Airlines	direct
31 Dec - 04 Jan	Pegasus Airlines	direct
03 Dec - 26 Dec	Turkish Airlines	direct

Also check the deals for one-way flights from Istanbul to Karachi 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.

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Cheapest return flights from Istanbul to Karachi in December from $300

Return flights