AirHint found the following cheapest return flights from Barcelona (BCN) to San Juan (SJU) in April 2026 (see full year).
Return flights
| 17 Apr - 25 Apr | Lufthansa | ||
| 09 Apr - 15 Apr | United | ||
| 18 Apr - 29 Apr | United | ||
| 17 Apr - 28 Apr | United | ||
| 18 Apr - 28 Apr | United | ||
| 28 Apr - 06 May | Lufthansa | ||
| 25 Apr - 03 May | Iberia | ||
| 01 Apr - 11 Apr | TAP |
Also check the deals for one-way flights from Barcelona to San Juan in April.
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