AirHint found the following cheapest return flights from Dallas (DAL) to Istanbul (SAW) in August 2025 (see full year).

Return flights

31 Aug - 07 Sep	KLM
11 Aug - 26 Aug	Air France
15 Aug - 20 Aug	Scandinavian Airlines
16 Aug - 07 Sep	KLM
20 Aug - 03 Sep	KLM
18 Aug - 25 Aug	KLM
15 Aug - 22 Aug	KLM
18 Aug - 24 Aug	KLM
27 Aug - 13 Sep	KLM
16 Aug - 19 Aug	KLM
17 Aug - 24 Aug	KLM
24 Aug - 31 Aug	KLM
27 Aug - 14 Sep	KLM

Also check the deals for one-way flights from Dallas 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 Dallas to Istanbul in August from 1017€

Return flights