Every Chicago–Brussels 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-brussels/#2026-09-21-2026-10-01-TKhttps://flight.deals/flights/chicago-to-brussels/#2026-09-21-2026-10-01-TKCHI → BRU round-trip on Turkish Airlines, 2026-09-21 to 2026-10-01 (10 nights). Cached fare $740. Not enough cached history on this route yet to say what it usually costs.Sun, 30 Aug 2026 05:03:17 GMT