AirHint found the following cheapest return flights from Helsinki (HEL) to San Jose (SJO) in March 2026 (see full year).
Return flights
| 03 Mar - 12 Mar | airBaltic | ||
| 05 Mar - 12 Mar | Ryanair | ||
| 16 Mar - 13 Apr | Norwegian |
Also check the deals for one-way flights from Helsinki to San Jose in March.
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