AirHint found the following cheapest return flights from San Juan (SJU) to Barcelona (BCN) in June 2026 (see full year).
Return flights
| 03 Jun - 14 Jun | Avianca | ||
| 24 Jun - 06 Jul | Iberia | ||
| 10 Jun - 24 Jun | United | ||
| 21 Jun - 28 Jun | United |
Also check the deals for one-way flights from San Juan to Barcelona in June.
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