Fly between Chicago and Denver nonstop for $49-$92 roundtrip, including tax. Book a seat on Frontier Airlines or United Airlines and save over $120 compared with typical rates.

Fly.com Fare Calendars:

These nonstop fares are roundtrip and include tax.

Note: United Airlines charges $25 for the first checked bag. Frontier Airlines charges $25-$60 for the first checked bag. Check our baggage fee chart for more information.

Savings:

  • Over $120 compared with typical rates

Travel Dates:

  • Select dates December-March

Sample Screenshots:

Chicago to Denver: Fly.com Results Page

Chicago to Denver: Fly.com Results Page

Chicago to Denver: Expedia Booking Page

Chicago to Denver: Expedia Booking Page

Denver to Chicago: Fly.com Results Page

Denver to Chicago: Fly.com Results Page

Denver to Chicago: Expedia Booking Page

Denver to Chicago: Expedia Booking Page

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