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

Return flights

26 Sep - 06 Oct	AJet	direct
19 Sep - 30 Sep	AJet
23 Sep - 14 Oct	AJet	direct
27 Sep - 07 Oct	AJet	direct
27 Sep - 06 Oct	AJet	direct
30 Sep - 06 Oct	AJet	direct
26 Sep - 07 Oct	AJet	direct
24 Sep - 30 Sep	easyJet
23 Sep - 07 Oct	AJet	direct
27 Sep - 12 Oct	AJet	direct
26 Sep - 11 Oct	AJet	direct
26 Sep - 12 Oct	AJet	direct
22 Sep - 27 Sep	AJet
23 Sep - 30 Sep	easyJet
27 Sep - 30 Sep	easyJet
19 Sep - 30 Sep	AJet	direct
22 Sep - 30 Sep	AJet
26 Sep - 30 Sep	AJet
18 Sep - 30 Sep	easyJet
27 Sep - 29 Sep	AJet	direct

Also check the deals for one-way flights from Paris to Istanbul 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 Istanbul in September from 161€

Return flights