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

Return flights

20 Dec - 05 Jan	Jazeera Airways
19 Dec - 22 Dec	flydubai
01 Dec - 20 Dec	flydubai
15 Dec - 22 Dec	flydubai
21 Dec - 28 Dec	flydubai
19 Dec - 28 Dec	flydubai
20 Dec - 27 Dec	flydubai
24 Dec - 30 Dec	flydubai
10 Dec - 29 Dec	flydubai
05 Dec - 11 Dec	flydubai
23 Dec - 30 Dec	flydubai
27 Dec - 02 Jan	flydubai
01 Dec - 07 Jan	flydubai
25 Dec - 20 Jan	flydubai
30 Dec - 05 Jan	flydubai
26 Dec - 02 Jan	flydubai
22 Dec - 03 Jan	flydubai
31 Dec - 01 Jan	flydubai
15 Dec - 15 Jan	flydubai
20 Dec - 01 Jan	Etihad Airways

Also check the deals for one-way flights from Karachi to Istanbul 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 Karachi to Istanbul in December from $387

Return flights