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

Return flights

29 Aug - 09 Sep	Transavia France	direct
30 Aug - 09 Sep	Transavia France	direct
20 Aug - 09 Sep	easyJet
20 Aug - 09 Sep	Transavia France	direct
29 Aug - 04 Sep	Wizz Air
17 Aug - 04 Sep	Transavia France
30 Aug - 06 Sep	Transavia France
29 Aug - 03 Sep	Transavia France
16 Aug - 13 Sep	Transavia France	direct
23 Aug - 06 Sep	Transavia France	direct
06 Aug - 14 Aug	LOT
04 Aug - 12 Aug	LOT
06 Aug - 13 Aug	LOT
05 Aug - 12 Aug	LOT
05 Aug - 14 Aug	LOT
04 Aug - 14 Aug	LOT
05 Aug - 13 Aug	LOT
06 Aug - 10 Aug	LOT
08 Aug - 10 Aug	LOT
08 Aug - 12 Aug	LOT

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 $197

Return flights