Cheap Flights from Chicago to Denver
No deal from Chicago to Denver has cleared our price bar yet. What we have seen on the route is below.
Across 3 months of observations from Chicago to Denver, the lowest round-trip fare we recorded was $40, in October. The typical fare was $232. October was the cheapest month we saw and August the dearest.
The most recent price we saw on this route was $133 on Frontier, seen Oct 17. It is an unverified observation and may have changed.
See every deal <a href="/from/chicago">from Chicago</a>, <a href="/to/denver">to Denver</a>, or the return direction <a href="/from/denver/to/chicago">Denver to Chicago</a>.
Latest price we saw: Chicago to Denver
The most recent round-trip fare our sweep found on this route. It is not verified and may have changed since the date shown.
| From | Price | Per mile | Travel dates | Airline | Seen | Check price |
|---|---|---|---|---|---|---|
| Chicago (ORD) to Denver (DEN) | $133 | 7.5¢ | Nov 6 – Nov 13 | Frontier | Oct 17 | Check price |
Price history: Chicago to Denver
What we observed by month, from our signals database. Unverified observations, not bookable prices.
| Month | Low | Typical | Sightings |
|---|---|---|---|
| Oct 2026 | $40 | $270 | 283 |
| Sep 2026 | $56 | $258 | 286 |
| Aug 2026 | $71 | $168 | 175 |
Frequently asked questions
How many flight deals from Chicago to Denver are on Sparkflights right now?
There are 0 verified deals from Chicago to Denver on the board right now. The list refreshes hourly.
What is the lowest price ever seen from Chicago to Denver?
The lowest fare we've recorded from Chicago to Denver is $40, based on 744 price observations over 3 months.
How much does a flight from Chicago to Denver cost?
The typical round-trip fare we observed from Chicago to Denver is $232, against a recorded low of $40. These are observations, not quotes.
When is the cheapest month to fly Chicago to Denver?
October was the cheapest month we observed from Chicago to Denver and August the dearest, over 3 months of data.
What is the current price from Chicago to Denver?
The most recent fare our sweep saw from Chicago to Denver is $133, on Oct 17. It is an unverified observation rather than a verified deal, so check it before booking.