Chicago to Denver flights
The cheapest round trip we found from Chicago to Denver is $360 (Nov 25 – 29, 1 stop). It usually costs $176.
CHI to DEN · Round trip · Economy · Prices per person in USD · Price found (30 minutes ago)
Cheapest found
Cheapest round trip by month
Lowest fare found per departure month| Month | Cheapest round trip |
|---|---|
| November 2026 | $360 |
| December 2026 | $176 |
| January 2027 | No fares found yet |
| February 2027 | $167 (cheapest month) |
Cheapest dates in the next 4 months
Round trip, per person-
Nov 25 – 29 4 nights · leave Wed$360 +105% vs usual$360 +105% vs usual Book
Frontier Airlines 1 stop · 7h 09m
Prices change often. The booking site shows the final price before you pay. Other dates? Set an alert
Plan the rest of your trip
Denver · Nov 25 – 29- Car rental Economybookings · compare rental companies (opens Economybookings in a new tab)
- Things to do in Denver Klook · tours and tickets (opens Klook in a new tab)
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Flights to Denver from other cities
All flights to Denver Flying the other way? Denver to Chicago from $320
Chicago to Denver: questions
How much does a flight from Chicago to Denver cost?
The cheapest round trip we have found right now is $360, leaving November 25 and returning November 29. The usual price on this route is about $176. Prices are per person, economy, in USD.
What is the cheapest month to fly from Chicago to Denver?
February 2027, with round trips from $167. The most expensive month in our data is November (from $360). Based on the 3 months ahead we have prices for.
Which airports do Chicago to Denver flights use?
Chicago airports include O'Hare International (ORD), Chicago Midway International (MDW) and Chicago Rockford International (RFD). Denver airports include Denver International (DEN) and Centennial (APA). The prices on this page cover every airport in both cities (CHI and DEN are the city codes).
About this route
We track round-trip economy fares from Chicago (United States) to Denver (United States) using Travelpayouts / Aviasales data. The cheapest round trip we've found is $360, departing November 25 and returning November 29. The cheapest month to fly in our data is February, from $167. Prices are per person and were correct when found; the final price is set by the airline or booking site when you book.