Cheap flights from Chicago to Denver from R1 762

The cheapest month to fly to Denver from Chicago is in January. Flight prices, which tend to average around R3 556, are often lower during this time because this is during the off-season. If you don’t want to visit Denver in January, then you should wait until February to fly from Chicago, when ticket prices are also cheap, with an average price of R4 099.

Fly from Chicago O'Hare Intl to Denver Intl for the best Chicago - Denver Intl flight prices

You are more likely to see cheaper flights to Denver from Chicago when booking weeks ahead of your departure date. In general, you can expect to find flights to Denver for around R4 552 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Denver from Chicago for as low as R3 935 on momondo.

There is only 1 cabin class available to choose from on Chicago to Denver flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

You could potentially save up to 21% on your flight if you consider stops on a Chicago to Denver flight.

As of October 2026, prices for Chicago to Denver flights are approximately 63% more expensive when compared to flights at the same time last year.

Historically, on average around 20% of flights between Chicago and Denver have experienced a delay on any given week. The average delay length over the past 12 months has been 146 minutes.

Generally, flights departing in the morning tend to experience fewer delays. Flights departing in the evening have, in the past, seen delays more frequently in comparison.

Saturday is statistically the day of the week that experiences the fewest delays on this flight route. Monday has historically seen more delays on average compared to the rest of the week.

According to our data, United Airlines have had the fewest delays on this route over the last 12 months, with about 16% of their flights experiencing any sort of delay.

As of October 2026, 3 flights take off from Chicago and land in Denver each day. The most common flight departure time for this route is 15:00, with 36% of daily flights taking off in the afternoon.

As of October 2026, 22 flights take off from Chicago and land in Denver each week. The most common flight departure day for this route is Tue, with 50% of weekly flights taking off on this day.