AirHint found the following cheapest return flights from Las Vegas (LAS) to San Juan (SJU) in October 2025 (see full year).
Return flights
| 25 Oct - 01 Nov | Spirit Airlines | ||
| 25 Oct - 09 Nov | Spirit Airlines | ||
| 24 Oct - 28 Oct | United |
Also check the deals for one-way flights from Las Vegas to San Juan in October.
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