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

Return flights

14 Jul - 19 Jul	PIA
14 Jul - 22 Jul	PIA
15 Jul - 27 Jul	PIA
20 Jul - 25 Jul	Fly Jinnah
17 Jul - 21 Jul	PIA
24 Jul - 28 Jul	PIA
17 Jul - 25 Jul	Fly Jinnah
23 Jul - 26 Jul	Fly Jinnah
24 Jul - 03 Aug	PIA
13 Jul - 19 Jul	PIA
22 Jul - 29 Jul	PIA
25 Jul - 05 Aug	PIA
10 Jul - 08 Aug	Fly Jinnah
28 Jul - 06 Aug	PIA
25 Jul - 03 Aug	PIA
13 Jul - 03 Aug	PIA
08 Jul - 03 Aug	PIA
26 Jul - 09 Aug	Fly Jinnah
29 Jul - 05 Aug	PIA
25 Jul - 07 Aug	PIA

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

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 July from 280€

Return flights