AirHint found the following cheapest one-way flights from Houston (HOU) to San Juan (SJU) in April 2026 (see full year).
One-Way flights
| 02 Apr | Frontier Airlines | ||
| 11 Apr | Southwest Airlines | direct | |
| 12 Apr | Southwest Airlines | ||
| 03 Apr | Southwest Airlines | ||
| 10 Apr | Southwest Airlines | ||
| 02 Apr | United | direct |
Also check the deals for return flights from Houston to San Juan in April.
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