AirHint found the following cheapest one-way flights from Houston (HOU) to Istanbul (SAW) in April 2026 (see full year).
One-Way flights
| 15 Apr | Air Canada | ||
| 20 Apr | Air Canada | ||
| 01 Apr | KLM | ||
| 05 Apr | KLM | ||
| 06 Apr | KLM |
Also check the deals for return flights from Houston to Istanbul in April.
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