AirHint found the following cheapest one-way flights from Chicago (ORD) to San Jose (SJO) in March 2026 (see full year).
One-Way flights
| 16 Mar | United | direct | |
| 01 Mar | Copa | ||
| 02 Mar | Copa | ||
| 07 Mar | Copa | ||
| 13 Mar | Copa | ||
| 14 Mar | Copa |
Also check the deals for return flights from Chicago to San Jose in March.
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