AirHint found the following cheapest return flights from San Jose (SJO) to Frankfurt (FRA) in January 2026 (see full year).
Return flights
| 13 Jan - 30 Jan | jetBlue | ||
| 22 Jan - 06 Feb | KLM | ||
| 31 Jan - 21 Feb | KLM | ||
| 16 Jan - 02 Feb | KLM | ||
| 13 Jan - 10 Feb | Lufthansa | direct | |
| 31 Jan - 21 Feb | Lufthansa | direct |
Also check the deals for one-way flights from San Jose to Frankfurt in January.
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