AirHint found the following cheapest return flights from Birmingham (BHX) to San Jose (SJO) in December 2025 (see full year).
Return flights
| 14 Dec - 29 Dec | SWISS | ||
| 17 Dec - 14 Jan | Lufthansa | ||
| 22 Dec - 04 Jan | Ryanair | ||
| 10 Dec - 15 Dec | SWISS | ||
| 03 Dec - 06 Dec | Air Canada |
Also check the deals for one-way flights from Birmingham to San Jose in December.
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