AirHint found the following cheapest one-way flights from Louisville (SDF) to San Juan (SJU) in March 2026 (see full year).
One-Way flights
| 17 Mar | United | ||
| 19 Mar | American Airlines | ||
| 09 Mar | American Airlines | ||
| 08 Mar | Allegiant Air | ||
| 26 Mar | American Airlines | ||
| 16 Mar | Spirit Airlines | ||
| 20 Mar | Allegiant Air |
Also check the deals for return flights from Louisville to San Juan in March.
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