Compare airlines, prices, and flight durations for your trip
A direct flight is the easiest way to get to your destination. The following airlines operate non-stop flights from Chicago to Denver:
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Answers to questions about the route that travelers are most interested in.
We keep tight track on airlines' pre-holidays sales and other special offers occurences all the time to let you save maximum amount of funds while traveling to your family or just going out on vacation.
Looking for cheap flights from Chicago to Denver? Look no further! Our air ticket search website offers the best deals on flights between these two vibrant cities in the United States. Explore the beauty of the Mile High City without breaking the bank. Whether you're planning a quick weekend getaway or a longer vacation, we've got you covered. With our user-friendly search engine, finding affordable airfare has never been easier. Compare prices from various airlines and choose the one that suits your budget and schedule. From exploring the Rocky Mountains to visiting the Red Rocks Amphitheater, Denver has something for everyone. So why wait? Start your adventure now and book your cheap flight from Chicago to Denver with us. Save money and experience all that the Mile High City has to offer. Don't miss out on these amazing deals – book today!
Unable to find information about the schedule of direct flights from
A non-stop flight is the most convenient and comfortable way to fly from Chicago to Denver, despite the fact that sometimes flights with transfers can cost significantly less.
Chicago — Denver
03/20/2026
Departure
Direct flight
F91483
starting at $470
Chicago — Denver
08/30/2026
Departure
Direct flight
WN687
starting at $166
Chicago — Denver
03/19/2026
Departure
Direct flight
UA1342
starting at $210
The route Chicago — Denver is served by several airlines: Frontier Airlines, Southwest Airlines, and United Airlines. This gives passengers more freedom in choosing flights. You can consider not only the price but also schedules, baggage policies, and onboard service. Our service compares all offers so you can find tickets from $128 and choose the most convenient option. Thanks to airline competition, you may also find promotional fares or special offers, helping you save even more. Plan your trip in advance and choose the best flights without overpaying.
The cheapest one-way flight from Chicago to Denver departs on 08/31/2026, is operated by Frontier Airlines and costs $128
The cheapest roundtrip flight from Chicago to Denver departs on 04/30/2026, is operated by Frontier Airlines and costs $139
Fastest flight from Chicago to Denver takes 3h 6m
There are direct flights on this route 3 days a week: Su, Th, and Fr
The distance between Chicago and Denver is 1477km (916 miles). The average flight duration is 2h 59m. The time difference between Chicago and Denver is 1h
We couldn't find any special offers for flights from Chicago to Denver
The cheapest flight ticket from Chicago to Denver according to data for the last 48 hours costs $128
Often the best time to buy tickets from Chicago to Denver is 2 months before departure.
Based on statistics over the past years, the lowest prices for flights from Chicago to Denver can be found flying in these months: August, March.
The fastest flights from Chicago to Denver start from 3 hours 6 minutes in the air.
The following airlines operate direct flights on the route Chicago — Denver: Frontier Airlines, Southwest Airlines, United Airlines
The minimum one-way ticket price from Chicago to Denver is $128 (August 2026), while the maximum is $143 (March 2026). On average, a ticket costs $135–$143.