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

Return flights

01 Sep - 07 Sep	PIA
19 Sep - 21 Sep	Saudia
09 Sep - 16 Sep	Saudia
02 Sep - 09 Sep	PIA
19 Sep - 30 Sep	SalamAir
04 Sep - 08 Sep	Flynas
10 Sep - 28 Sep	Fly Jinnah
01 Sep - 05 Sep	Fly Jinnah
11 Sep - 19 Sep	Fly Jinnah
03 Sep - 08 Sep	Fly Jinnah
05 Sep - 04 Oct	SalamAir

Also check the deals for one-way flights from Islamabad to Doha 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 Islamabad to Doha in September from 314€

Return flights