Flights
Flights from Chicago to Denver
Compare live fares from Chicago to Denver and book in a few steps.
Recent fares from Chicago to Denver
Airlines that fly non-stop from Chicago to Denver
Frontier AirlinesORD to DENLast seen 25 October 2026
Where to stay in Denver
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Questions about flights from Chicago to Denver
Yes. In the last 30 days, our searches found non-stop flights on this route with Frontier Airlines.
On most airlines you can pick your seat on the plane map and add bags during checkout, with every price shown before you pay.