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

Return flights

27 Aug - 03 Sep	easyJet
29 Aug - 05 Sep	easyJet
26 Aug - 03 Sep	easyJet
29 Aug - 09 Sep	Air France
29 Aug - 07 Sep	easyJet
30 Aug - 04 Sep	AJet
28 Aug - 04 Sep	AJet
29 Aug - 03 Sep	easyJet
30 Aug - 14 Sep	AJet
27 Aug - 06 Sep	easyJet
01 Aug - 06 Aug	easyJet
01 Aug - 10 Aug	easyJet
27 Aug - 28 Aug	easyJet
01 Aug - 05 Aug	easyJet
01 Aug - 04 Aug	easyJet
08 Aug - 10 Aug	Air Serbia
15 Aug - 18 Aug	AJet
26 Aug - 29 Aug	easyJet
08 Aug - 11 Aug	Air Serbia
13 Aug - 18 Aug	easyJet

Also check the deals for one-way flights from Paris to Istanbul 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 Paris to Istanbul in August from $233

Return flights