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 07/08/25 direct F91483 02h 53min	Return 08/07/25 direct F93174 02h 39min	Frontier Airlines		$165
Chicago Denver	Outbound 10/18/25 direct F91483 02h 49min	Return 11/17/25 direct F93172 02h 31min	Frontier Airlines	?	$170
Chicago Denver	Outbound 07/08/25 direct F91483 02h 53min	Return 08/07/25 direct F93174 02h 39min	Frontier Airlines		$171
Chicago Denver	Outbound 09/23/25 direct F91483 02h 49min	Return 09/30/25 direct F93172 02h 31min	Frontier Airlines		$178
Chicago Denver	Outbound 09/04/25 1 Stopover (DAL) WN3155, WN2745 06h 20min	Return 09/28/25 direct AA2451 02h 50min	Southwest Airlines	?	$180
Chicago Denver	Outbound 09/04/25 direct F91483 02h 41min	Return 09/28/25 direct F93172 02h 31min	Frontier Airlines		$182
Chicago Denver	Outbound 09/04/25 direct F91483 02h 41min	Return 09/28/25 direct F93172 02h 31min	Frontier Airlines		$198
Chicago Denver	Outbound 10/10/25 1 Stopover (LAS) F92145, F91994 07h 07min	Return 11/04/25 direct F93172 02h 31min	Frontier Airlines		$201
Chicago Denver	Outbound 09/04/25 direct F91483 02h 41min	Return 09/28/25 1 Stopover (MSP) SY0652, SY0261 07h 18min	Frontier Airlines		$202
Chicago Denver	Outbound 09/23/25 direct AA2363 02h 44min	Return 09/30/25 direct AA2622 02h 48min	American Airlines	?	$204

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	164,74 USD
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