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 04/03/26 direct UA1803 02h 34min	Return 04/16/26 direct UA0377 02h 23min	United Airlines	?	$290
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 04/03/26 direct F91483 02h 56min	Return 04/16/26 1 Stopover (MSP) SY0656, SY0261 23h 02min	Frontier Airlines	?	$302
Chicago Denver	Outbound 04/03/26 direct UA2494 02h 39min	Return 04/16/26 direct UA1377 02h 28min	United Airlines	?	$306
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		$371
Chicago Denver	Outbound 04/03/26 direct F91483 02h 56min	Return 04/16/26 1 Stopover (SAN) AS3021, AS1478 09h 35min	Frontier Airlines		$440
Chicago Denver	Outbound 04/03/26 direct AA1387 02h 54min	Return 04/16/26 direct AA2082 02h 39min	American Airlines	?	$451
Chicago Denver	Outbound 04/03/26 direct AA1387 02h 54min	Return 04/16/26 direct AA2082 02h 39min	American Airlines	?	$452
Chicago Denver	Outbound 04/03/26 1 Stopover (SAN) AS1470, AS1429 10h 33min	Return 04/16/26 1 Stopover (PDX) AS0789, AS0170 09h 04min	Alaska Airlines	?	$515
Chicago Denver	Outbound 04/03/26 direct AA1387 02h 54min	Return 04/16/26 direct AA2082 02h 39min	American Airlines	?	$971

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	$289.40
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