Our cheapest offers for flights from Chicago to Denver

Here you can compare cheap flights from Chicago (CHI) to Denver (DEN) for one-way or return trips. The following offers were searched for and found on idealo during the last few days. Or start your own flight search to Denver. Prices and availability may change at any time.

	Outbound	Return	Airlines	Baggage	Price
Best option Chicago Denver	Outbound 02/13/26 direct UA2296 02h 51min	Return 02/26/26 direct AA2833 02h 31min	United Airlines	?	$230
Chicago Denver Please note: transfer for connecting flight	Outbound 04/03/26 2 Stopovers (IWD, MSP) KG3912, KG5115, SY0657 08h 19min	Return 04/16/26 1 Stopover (MSP) SY0656, SY0261 23h 02min	Key Lime Air, Sun Country Airlines		$350
Chicago Denver	Outbound 02/13/26 direct UA2296 02h 51min	Return 02/26/26 direct UA0377 02h 29min	United Airlines	?	$268
Chicago Denver	Outbound 04/03/26 direct UA1803 02h 34min	Return 04/16/26 direct UA0377 02h 23min	United Airlines	?	$290
Chicago Denver	Outbound 04/03/26 direct F91483 02h 56min	Return 04/16/26 1 Stopover (MSP) SY0656, SY0261 23h 02min	Frontier Airlines	?	$302
Chicago Denver	Outbound 02/13/26 direct UA2296 02h 51min	Return 02/26/26 direct UA2430 02h 34min	United Airlines	?	$341
Chicago Denver	Outbound 02/13/26 1 Stopover (DFW) F93241, F91323 09h 56min	Return 02/26/26 direct F93172 02h 43min	Frontier Airlines		$347
Chicago Denver	Outbound 02/13/26 1 Stopover (DFW) F93241, F94463 07h 56min	Return 02/26/26 direct F93172 02h 43min	Frontier Airlines	?	$352
Chicago Denver	Outbound 02/13/26 1 Stopover (LAS) F92145, F94612 25h 18min	Return 02/26/26 direct F93172 02h 43min	Frontier Airlines		$362
Chicago Denver	Outbound 02/13/26 direct AA1387 03h 03min	Return 02/26/26 direct AA2771 02h 43min	American Airlines	?	$382

Tips and tricks to help you find cheap flights from Chicago to Denver

Useful information about the flight from Chicago to Denver

Flights from Chicago to Denver

Whether you are rushing over for a business meeting or are heading over for some mountain air in the mile high city, the route from Chicago (CHI) to Denver (DEN) has a lot to offer. The flight time is usually around 3 hours, covering around 920 miles. Airlines offering a direct flight include Spirit, United, American, Frontier, US Airways and Southwest.

Cheap flights from Chicago to Denver

Fortunately, popular flight routes like these are not short of cheap tickets. This one is no different. To purchase a low cost flight to Denver though, it is important to compare prices and availability online. Taking hand luggage only, flexibility in the dates of travel, booking during the off-peak season and buying an air ticket well in advance of travel will greatly help to keep prices down.

Destination Denver

Denver has a diverse array of attractions drawing travelers to its streets such as a popular zoo and beautiful botanical gardens. What is even better is that they are all easily reached upon landing. The airport has a Ground Transportation counter (located in the central area on level 5 of the Jeppesen terminal) to advise travelers on the manifold bus, commuter shuttles and taxi services on offer. Hotel shuttles are also provided as a courtesy by most of the hotels within the immediate vicinity of the airport.

Important flight information

Flight information: Chicago - Denver

Roundtrip from	$ 229,21
Flight duration	min. 02:38 / max. 09:35
Return flight duration	min. 02:10/ max. 10:50
Distance	1450 km
Flights per week	256
Departure airport	Airport Chicago-IL, all airports (CHI)
Arrival airport	Airport Denver International Airport, CO (DEN)
Destination country	Flights to United States

Our cheapest offers for flights from Chicago to Denver

Chicago-IL, all airports

Denver International Airport, CO