AirHint found the following cheapest return flights from Windsor Locks (BDL) to San Juan (SJU) in September 2026 (see full year).
Return flights
| 12 Sep - 19 Sep | American Airlines | ||
| 01 Sep - 15 Sep | jetBlue | direct | |
| 12 Sep - 19 Sep | jetBlue | direct | |
| 04 Sep - 07 Sep | jetBlue | direct |
Also check the deals for one-way flights from Windsor Locks to San Juan in September.
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