AirHint found the following cheapest return flights from Los Angeles (LAX) to San Jose (SJO) in September 2026 (see full year).
Return flights
| 09 Sep - 16 Sep | Copa | ||
| 01 Sep - 06 Sep | Copa | ||
| 12 Sep - 19 Sep | Alaska Airlines | ||
| 24 Sep - 28 Sep | United | ||
| 06 Sep - 12 Sep | Copa | ||
| 05 Sep - 12 Sep | Copa | ||
| 05 Sep - 12 Sep | Alaska Airlines | direct |
Also check the deals for one-way flights from Los Angeles to San Jose in September.
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