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

Return flights

19 Sep - 15 Oct	AJet
17 Sep - 16 Oct	AJet
17 Sep - 28 Sep	AJet
19 Sep - 16 Oct	AJet
18 Sep - 15 Oct	AJet
19 Sep - 26 Oct	AJet
26 Sep - 05 Oct	AJet
26 Sep - 28 Sep	Saudia
22 Sep - 14 Oct	Saudia
22 Sep - 05 Oct	Saudia
17 Sep - 31 Oct	AJet
19 Sep - 05 Oct	AJet
21 Sep - 28 Sep	Saudia
20 Sep - 27 Sep	Saudia
22 Sep - 29 Sep	AJet
17 Sep - 21 Sep	Saudia
18 Sep - 26 Sep	Saudia
19 Sep - 27 Sep	AJet
20 Sep - 21 Sep	Saudia
19 Sep - 21 Sep	Saudia

Also check the deals for one-way flights from Paris 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 Paris to Islamabad in September from 466€

Return flights