AirHint found the following cheapest return flights from Dallas (DAL) to Istanbul (IST) in April 2026 (see full year).
Return flights
| 30 Apr - 23 May | Scandinavian Airlines | ||
| 12 Apr - 18 Apr | Scandinavian Airlines | ||
| 07 Apr - 22 Apr | KLM | ||
| 26 Apr - 10 May | KLM | ||
| 23 Apr - 07 May | KLM | ||
| 02 Apr - 06 Apr | KLM |
Also check the deals for one-way flights from Dallas to Istanbul in April.
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