AirHint found the following cheapest return flights from Greensboro (GSO) to San Juan (SJU) in July 2026 (see full year).
Return flights
| 31 Jul - 02 Aug | Delta | ||
| 04 Jul - 09 Jul | United | ||
| 02 Jul - 05 Jul | Delta | ||
| 07 Jul - 12 Jul | United |
Also check the deals for one-way flights from Greensboro to San Juan in July.
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