AirHint found the following cheapest return flights from Oklahoma City (OKC) to San Juan (SJU) in March 2026 (see full year).
Return flights
| 01 Mar - 03 Mar | United | ||
| 15 Mar - 20 Mar | Frontier Airlines | ||
| 14 Mar - 21 Mar | Frontier Airlines | ||
| 13 Mar - 20 Mar | Frontier Airlines |
Also check the deals for one-way flights from Oklahoma City to San Juan in March.
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