AirHint found the following cheapest return flights from Buffalo (BUF) to San Juan (SJU) in July 2026 (see full year).
Return flights
| 20 Jul - 24 Jul | jetBlue | ||
| 18 Jul - 25 Jul | jetBlue | direct | |
| 20 Jul - 25 Jul | jetBlue | direct | |
| 20 Jul - 24 Jul | jetBlue | direct | |
| 19 Jul - 25 Jul | jetBlue | ||
| 19 Jul - 23 Jul | jetBlue | ||
| 17 Jul - 24 Jul | jetBlue | direct |
Also check the deals for one-way flights from Buffalo to San Juan in July.
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