Cheapest return flights from Dallas to Istanbul in September from $882

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

Return flights

25 Sep - 08 Oct KLM
16 Sep - 21 Oct KLM
10 Sep - 04 Oct KLM
08 Sep - 04 Oct KLM
09 Sep - 20 Sep KLM
10 Sep - 24 Sep KLM
13 Sep - 04 Oct KLM
27 Sep - 05 Oct Delta
21 Sep - 28 Sep Delta
30 Sep - 09 Oct KLM
22 Sep - 29 Sep KLM
19 Sep - 30 Sep Air France
15 Sep - 27 Sep Air France
21 Sep - 26 Sep Delta
25 Sep - 18 Oct Air France
11 Sep - 14 Sep KLM

Also check the deals for one-way flights from Dallas to Istanbul in September.

Skyscanner

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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