AirHint found the following cheapest return flights from Chicago (MDW) to San Jose (SJO) in March 2026 (see full year).
Return flights
| 10 Mar - 17 Mar | Delta | ||
| 05 Mar - 12 Mar | Delta | ||
| 20 Mar - 26 Mar | Porter Airlines (Canada) Ltd | ||
| 14 Mar - 22 Mar | Southwest Airlines |
Also check the deals for one-way flights from Chicago to San Jose in March.
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