AirHint found the following cheapest return flights from Greensboro (GSO) to San Juan (SJU) in March 2026 (see full year).
Return flights
| 01 Mar - 07 Mar | American Airlines | ||
| 06 Mar - 09 Mar | American Airlines | ||
| 16 Mar - 28 Mar | Allegiant Air |
Also check the deals for one-way flights from Greensboro to San Juan in March.
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