Every Brussels–Barcelona 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/brussels-to-barcelona/#2026-09-30-2026-10-08-FRhttps://flight.deals/flights/brussels-to-barcelona/#2026-09-30-2026-10-08-FRBRU → BCN round-trip on Ryanair, 2026-09-30 to 2026-10-08 (8 nights). Cached fare $41 vs typical $100.Sun, 23 Aug 2026 05:58:32 GMT