AirHint found the following cheapest return flights from Dallas (DAL) to Istanbul (IST) in December 2026 (see full year).
Return flights
| 04 Dec - 11 Dec | Delta | ||
| 20 Dec - 04 Jan | Delta | ||
| 06 Dec - 03 Jan | Air France | ||
| 11 Dec - 19 Dec | Air France |
Also check the deals for one-way flights from Dallas to Istanbul in December.
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