Every Chicago–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/chicago-to-barcelona/#2026-11-01-2026-11-08-TPhttps://flight.deals/flights/chicago-to-barcelona/#2026-11-01-2026-11-08-TPCHI → BCN round-trip on TAP Air Portugal, 2026-11-01 to 2026-11-08 (7 nights). Cached fare $630 vs typical $705.Sun, 30 Aug 2026 05:03:17 GMT