AirHint found the following cheapest one-way flights from San Jose (SJO) to Madrid (MAD) in December 2025 (see full year).
One-Way flights
| 11 Dec | jetBlue | ||
| 09 Dec | Spirit Airlines | ||
| 05 Dec | Spirit Airlines | ||
| 10 Dec | jetBlue | ||
| 08 Dec | jetBlue | ||
| 06 Dec | Spirit Airlines | ||
| 06 Dec | Iberojet | direct | |
| 02 Dec | Iberojet | direct | |
| 07 Dec | Volaris El Salvador | ||
| 01 Dec | Copa |
Also check the deals for return flights from San Jose to Madrid in December.
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