Every Chicago–Las Vegas 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-las-vegas/#2026-10-06-2026-10-10-WNhttps://flight.deals/flights/chicago-to-las-vegas/#2026-10-06-2026-10-10-WNCHI → LAS round-trip on Southwest, 2026-10-06 to 2026-10-10 (4 nights). Cached fare $145 vs typical $240.Sun, 30 Aug 2026 05:03:17 GMT