AirHint found the following cheapest return flights from Greenville (GSP) to San Juan (SJU) in October 2025 (see full year).
Return flights
| 24 Oct - 30 Oct | Breeze Airways | ||
| 28 Oct - 04 Nov | United | ||
| 27 Oct - 27 Oct | Delta |
Also check the deals for one-way flights from Greenville to San Juan in October.
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