AirHint found the following cheapest one-way flights from Cincinnati (CVG) to San Juan (SJU) in May 2026 (see full year).
One-Way flights
| 29 May | Frontier Airlines | ||
| 20 May | Frontier Airlines | ||
| 27 May | Frontier Airlines | ||
| 05 May | Frontier Airlines | ||
| 22 May | Frontier Airlines |
Also check the deals for return flights from Cincinnati to San Juan in May.
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