Every Barcelona–San Juan fare we track, measured against the route's typical price whenever there is enough cached history to build one. Subscribe in any RSS reader for free single-route price alerts — no account, no email needed.https://flight.dealsen-ushttps://flight.deals/flights/barcelona-to-san-juan/#2026-11-21-2026-11-28-UAhttps://flight.deals/flights/barcelona-to-san-juan/#2026-11-21-2026-11-28-UABCN → SJU round-trip on United, 2026-11-21 to 2026-11-28 (7 nights). Cached fare $864. Not enough cached history on this route yet to say what it usually costs.Wed, 05 Aug 2026 07:53:34 GMT