AirHint found the following cheapest return flights from Omaha (OMA) to San Juan (SJU) in January 2026 (see full year).
Return flights
| 26 Jan - 31 Jan | United | ||
| 15 Jan - 22 Jan | United | ||
| 10 Jan - 14 Jan | United | ||
| 05 Jan - 11 Jan | Allegiant Air | ||
| 10 Jan - 19 Jan | United |
Also check the deals for one-way flights from Omaha to San Juan in January.
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