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

Return flights

03 Aug - 14 Aug	SalamAir
11 Aug - 18 Aug	SalamAir
04 Aug - 24 Aug	SalamAir
09 Aug - 16 Aug	Fly Jinnah
01 Aug - 28 Aug	flydubai
07 Aug - 31 Aug	flydubai
07 Aug - 16 Aug	flydubai
07 Aug - 18 Aug	flydubai
03 Aug - 10 Aug	flydubai
31 Aug - 14 Sep	flydubai
12 Aug - 11 Sep	flydubai
01 Aug - 11 Aug	Turkish Airlines

Also check the deals for one-way flights from Islamabad to Tehran 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 Tehran in August from 361€

Return flights