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

Return flights

12 Aug - 22 Aug	Serene Air
15 Aug - 24 Aug	Serene Air
08 Aug - 13 Aug	Serene Air
15 Aug - 19 Aug	PIA
06 Aug - 20 Aug	Fly Jinnah
06 Aug - 22 Aug	Serene Air
04 Aug - 20 Aug	PIA
21 Aug - 29 Aug	PIA
02 Aug - 08 Aug	Fly Jinnah
13 Aug - 20 Aug	Serene Air
18 Aug - 16 Sep	PIA
16 Aug - 13 Sep	Fly Jinnah
31 Aug - 07 Sep	Flynas
29 Aug - 14 Sep	SalamAir
01 Aug - 22 Sep	Fly Jinnah
27 Aug - 03 Sep	Fly Jinnah
28 Aug - 15 Sep	Flynas
26 Aug - 07 Sep	Flynas
25 Aug - 14 Sep	flydubai
19 Aug - 02 Sep	Qatar Airways

Also check the deals for one-way flights from Islamabad to Istanbul in August.

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 August from $370

Return flights