AirHint found the following cheapest return flights from Barcelona (BCN) to San Juan (SJU) in January 2026 (see full year).
Return flights
| 12 Jan - 23 Jan | Delta | ||
| 10 Jan - 17 Jan | Wizz Air Malta | ||
| 12 Jan - 19 Jan | Lufthansa | ||
| 01 Jan - 17 Jan | Iberia | ||
| 02 Jan - 12 Jan | Iberia |
Also check the deals for one-way flights from Barcelona to San Juan in January.
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