AirHint found the following cheapest return flights from Raleigh-durham (RDU) to San Jose (SJO) in January 2026 (see full year).
Return flights
| 17 Jan - 24 Jan | United | ||
| 24 Jan - 01 Feb | Frontier Airlines | ||
| 05 Jan - 15 Jan | Frontier Airlines | ||
| 13 Jan - 18 Jan | Frontier Airlines |
Also check the deals for one-way flights from Raleigh-durham to San Jose in January.
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