AirHint found the following cheapest return flights from Doha (DOH) to Islamabad (ISB) in September 2025 (see full year).

Return flights

03 Sep - 17 Sep	PIA	direct
19 Sep - 03 Oct	PIA	direct
07 Sep - 12 Sep	PIA	direct
13 Sep - 22 Sep	Gulf Air
27 Sep - 11 Oct	Gulf Air
13 Sep - 16 Oct	Gulf Air
12 Sep - 18 Sep	Gulf Air
05 Sep - 20 Sep	Gulf Air
15 Sep - 15 Oct	flydubai
12 Sep - 18 Sep	Qatar Airways	direct
13 Sep - 22 Sep	Qatar Airways	direct
05 Sep - 20 Sep	Qatar Airways	direct
13 Sep - 16 Oct	Qatar Airways	direct
27 Sep - 11 Oct	Qatar Airways	direct
15 Sep - 15 Oct	Qatar Airways	direct

Also check the deals for one-way flights from Doha to Islamabad in September.

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 Doha to Islamabad in September from $258

Return flights