AirHint found the following cheapest return flights from Dallas-Fort Worth (DFW) to Istanbul (IST) in August 2025 (see full year).

Return flights

25 Aug - 10 Sep	KLM
31 Aug - 09 Sep	Air France
31 Aug - 20 Sep	Air France
26 Aug - 04 Sep	KLM
27 Aug - 20 Sep	Turkish Airlines	direct
30 Aug - 13 Sep	Spirit Airlines
25 Aug - 10 Sep	Turkish Airlines	direct
23 Aug - 13 Sep	Spirit Airlines
30 Aug - 13 Sep	Turkish Airlines	direct
23 Aug - 13 Sep	Turkish Airlines	direct
22 Aug - 29 Aug	Turkish Airlines	direct
24 Aug - 30 Aug	Turkish Airlines	direct
23 Aug - 31 Aug	Turkish Airlines	direct

Also check the deals for one-way flights from Dallas-Fort Worth 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-Fort Worth to Istanbul in August from $620

Return flights