AirHint found the following cheapest return flights from Islamabad (ISB) to Istanbul (IST) in August 2026 (see full year).

Return flights

01 Aug - 05 Aug	Kuwait Airways
01 Aug - 12 Aug	Kuwait Airways
04 Aug - 20 Aug	Fly Jinnah
02 Aug - 05 Aug	PIA
02 Aug - 09 Aug	Fly Jinnah
14 Aug - 20 Aug	flydubai
02 Aug - 05 Aug	Turkish Airlines	direct
01 Aug - 05 Aug	Turkish Airlines	direct
02 Aug - 09 Aug	Turkish Airlines	direct
04 Aug - 20 Aug	Turkish Airlines	direct

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 420€

Return flights