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

Return flights

31 Jul - 05 Aug	Fly Jinnah
27 Jul - 03 Aug	SalamAir
31 Jul - 10 Aug	SalamAir
29 Jul - 05 Aug	SalamAir
30 Jul - 03 Aug	SalamAir
31 Jul - 06 Aug	SalamAir
27 Jul - 10 Aug	SalamAir
31 Jul - 04 Aug	Fly Jinnah
30 Jul - 06 Aug	SalamAir
27 Jul - 01 Aug	SalamAir
26 Jul - 28 Jul	SalamAir
26 Jul - 28 Jul	PIA	direct
28 Jul - 31 Jul	PIA	direct
30 Jul - 31 Jul	Turkish Airlines	direct

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 380€

Return flights