Cheap Flights from Chicago, IL to Denver, CO from $59
On Cheapflightsplus.com you will find 26 direct and 27 connecting flights from Chicago to Denver. You can compare airfare deals from 5 airlines and multiple travel sites from $59, book and save on cheap plane tickets and last minute offers. Also check out CHI-DEN flight schedule to find best flight time, convenient departure and arrival airports.
Flight Information
Below we will explain in detail what the flights cost on the destination from Chicago to Denver depends on and how to choose the most interesting flight option for you.
Distance between Chicago and Denver is 1448 miles. Time difference between the cities is 1h. Airplanes depart 05:00 to 21:50 from 7 Chicago airports and arrive 05:00 to 21:50 to 2 Denver airports. Average flight time is 2h 46m.
- The fastest flight 2h 41m
- Average flight time 2h 46m
- The earliest flight 05:00
- The latest flight 21:50
- Distance 900 ml
Best Flights from Chicago to Denver Today
| Price | Departure | Arrival | Flight Duration | Airline | Flight |
|---|---|---|---|---|---|
| from $59 | 06:00 Chicago O'Hare International | 07:41 Denver Denver International | 2h 41m | Frontier Airlines | F91483 |
| from $70 | 12:35 Chicago Midway | 14:19 Denver Denver International | 2h 44m | Frontier Airlines | F92209 |
| from $81 | 07:45 Chicago O'Hare International | 09:38 Denver Denver International | 2h 53m | Frontier Airlines | F93173 |
| from $98 | 20:27 Chicago O'Hare International | 08:28+1 день Denver Denver International | 13h 1m layover 6h 22m - Philadelphia | Frontier Airlines | F92112 F93339 |
| from $137 | 18:17 Chicago O'Hare International | 11:24+1 день Denver Denver International | 18h 7m layover 14h 21m - Minneapolis | Sun Country Airlines | SY260 SY1609 |
The cheapest months to travel to Denver are june (from 59 $), august (from 70 $), july (from 74 $).
The most expensive months are april (from 147 $), may (from 119 $), october (from 114 $).
What is the lowest airfare Chicago to Denver?
The cheapest plane ticket found by our users is $59. This airfare is for economy class on one-way F91483 flight by Frontier Airlines for August 28, 2025 which leaves O'Hare International in Chicago at 06:00 am and arrives at Denver Denver International at 07:41.
Flight Schedule Chicago (Illinois) to Denver (Colorado)
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Popular Airlines on the Route
The flight Chicago — Denver is served by 5 regular airlines and 4 low-cost airlines. Most of the flights on this route are operated by Frontier Airlines - 11 departures per week at the price of from $ 59 . And the most expensive tickets are offered by United Airlines airline - from $ 828.
Direct flights
There are 26 nonstop flights on the route. The fastest direct flight is F91483 by Frontier Airlines takes 2h 41m and the cheapest is F91483 by Frontier Airlines for $59.
- F9 - Frontier Airlinesfrom $59Find
- UA - United Airlinesfrom $108Find
Connecting Flights
There are 27 flights with layovers on the route. The fastest connecting flight is UA1872 by United Airlines takes 4h 40m and the cheapest is F91483 by Frontier Airlines for $98.
- F9 - Frontier Airlinesfrom $98Find
- SY - Sun Country Airlinesfrom $137Find
- UA - United Airlinesfrom $218Find
- G4 - Allegiant Airfrom $145Find
- NK - Spirit Airlinesfrom $222Find
Airports
You can fly from Chicago to Denver from 7 airports (O'Hare International, Midway, Dupage County, Chicago FSS, Merrill C Meigs (closed), Pal-Waukee, Chicago NAS).
Chicago airports
- O'Hare International-ORDfrom $59Find
- Midway-MDWfrom $70Find
- Dupage County-DPAFind
- Chicago FSS-CHIFind
- Merrill C Meigs (closed)-CGXFind
- Pal-Waukee-PWKFind
- Chicago NAS-NOHFind
Denver airports
- Denver International-DENFind
- Arapahoe Co-APAFind
Airplanes
There are flights to Denver from Chicago by 5 airlines that use 0 aircraft brands. They range from huge modern airplanes to small-sized.
Top Domestic Destinations from Chicago
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Top International Destinations from Chicago
Our state-of-the art metasearch will definitely provide you with the best airfare on international flights. We’re proud to partner with many reliable travel suppliers located outside the US what gives us an opportunity to offer the most competitive prices on far destinations.
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How to book a plane ticket yourself?
- Fill in the search parameters — cities of departure and destination, departure and return dates and click «Find flights»
- Select the best flight that you like. Please, check the airports of departure and arrival. Select the best fare, but pay attention to the following flight details - airports of departure and arrival, flight duration and layovers. Please use filters and sort to find the best flight.
- Click «Buy» when you are ready — our system will redirect you to the site that sells the selected flight ticket.
- Fill in all passenger and payment information — passport and contact information, please double check all passengers’ names and make a payment for your itinerary.
- That's it — you will receive an email with your e-ticket usually within 10 minutes after your flight is confirmed. Please, print the e-ticket and have it with you at the airport. You would need to have only a passport and/or a required form of ID to travel. Please, check your Visa requirements if you travel outside of the United States or Canada.
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