Cheap Flights from Chicago to Denver
Compare cheap flights from Chicago (ORD) to Denver (DEN) on Tripile, with fares from around $79. The route takes about 2h 45m, and January is often the best month for low prices.
Airlines on This Route
Popular airlines flying Chicago to Denver include United, Southwest, Frontier, Spirit. Compare their schedules, baggage rules, and prices side by side, then book the option that fits your trip.