AirHint found the following cheapest return flights from Houston (HOU) to San Juan (SJU) in June 2026 (see full year).
Return flights
| 26 Jun - 30 Jun | United | direct | |
| 10 Jun - 14 Jun | United | direct | |
| 04 Jun - 09 Jun | United | direct | |
| 25 Jun - 29 Jun | United | direct | |
| 03 Jun - 09 Jun | Southwest Airlines | ||
| 03 Jun - 09 Jun | United | direct |
Also check the deals for one-way flights from Houston to San Juan in June.
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