AirHint found the following cheapest return flights from Houston (HOU) to Istanbul (SAW) in April 2026 (see full year).
Return flights
| 28 Apr - 05 May | Frontier Airlines | ||
| 29 Apr - 06 May | KLM | ||
| 27 Apr - 14 May | Frontier Airlines | ||
| 28 Apr - 09 May | Spirit Airlines | ||
| 27 Apr - 04 May | KLM | ||
| 28 Apr - 20 May | KLM |
Also check the deals for one-way flights from Houston to Istanbul in April.
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