AirHint found the following cheapest return flights from Greensboro (GSO) to San Juan (SJU) in March 2026 (see full year).
Return flights
| 29 Mar - 04 Apr | Delta | ||
| 22 Mar - 22 Mar | Delta | ||
| 22 Mar - 29 Mar | United | ||
| 29 Mar - 29 Mar | Delta |
Also check the deals for one-way flights from Greensboro to San Juan in March.
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