AirHint found the following cheapest return flights from Wilmington (ILM) to San Juan (SJU) in January 2026 (see full year).
Return flights
| 02 Jan - 07 Jan | Avelo Airlines | ||
| 16 Jan - 20 Jan | American Airlines | ||
| 15 Jan - 19 Jan | Breeze Airways |
Also check the deals for one-way flights from Wilmington to San Juan in January.
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