AirHint found the following cheapest return flights from San Juan (SJU) to San Jose (SJO) in March 2026 (see full year).
Return flights
| 18 Mar - 08 Apr | Avianca | ||
| 21 Mar - 25 Mar | Copa | ||
| 12 Mar - 15 Mar | Copa | ||
| 21 Mar - 28 Mar | Avianca | ||
| 19 Mar - 28 Mar | Copa |
Also check the deals for one-way flights from San Juan to San Jose in March.
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