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

Return flights

14 Dec - 19 Dec	AZAL
28 Dec - 07 Jan	Jazeera Airways
18 Dec - 24 Dec	AZAL
02 Dec - 09 Dec	Flynas
04 Dec - 10 Dec	Flynas
03 Dec - 10 Dec	Flynas
01 Dec - 10 Dec	Flynas
21 Dec - 03 Jan	AZAL
10 Dec - 18 Dec	Flynas
30 Dec - 06 Jan	Fly Jinnah
29 Dec - 05 Jan	Fly Jinnah
30 Dec - 05 Jan	Fly Jinnah
15 Dec - 20 Dec	Flynas
14 Dec - 24 Dec	flydubai
25 Dec - 31 Dec	flydubai
29 Dec - 04 Jan	flydubai
26 Dec - 03 Jan	flydubai
19 Dec - 01 Jan	flydubai
26 Dec - 04 Jan	flydubai
22 Dec - 02 Jan	flydubai

Also check the deals for one-way flights from Islamabad 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 Islamabad to Istanbul in December from $396

Return flights