AirHint found the following cheapest return flights from Raleigh-durham (RDU) to San Jose (SJO) in September 2025 (see full year).
Return flights
| 26 Sep - 29 Sep | Copa | ||
| 24 Sep - 27 Sep | American Airlines | ||
| 23 Sep - 29 Sep | American Airlines | ||
| 19 Sep - 21 Sep | Copa | ||
| 25 Sep - 27 Sep | jetBlue |
Also check the deals for one-way flights from Raleigh-durham to San Jose in September.
The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.
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