Our cheapest offers for flights from Denver to Chicago

Here you can compare cheap flights from Denver (DEN) to Chicago (CHI) 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 Chicago. Prices and availability may change at any time.

	Outbound	Return	Airlines	Baggage	Price
Best option Denver Chicago	Outbound 02/13/26 direct UA0377 02h 29min	Return 02/26/26 direct UA2296 02h 51min	United Airlines	?	$259
Denver Chicago Please note: transfer for connecting flight	Outbound 04/03/26 3 Stopovers (CVN, DFW, EWR) KG5418, KG5407, NK2228, NK0108 28h 43min	Return 04/16/26 1 Stopover (MSP) SY0262, SY0657 22h 53min	Key Lime Air, Spirit Airlines		$454
Denver Chicago	Outbound 02/13/26 direct UA0377 02h 29min	Return 02/26/26 direct UA2394 02h 39min	United Airlines	?	$268
Denver Chicago	Outbound 02/13/26 direct AA2514 02h 09min	Return 02/26/26 direct UA2296 02h 51min	American Airlines	?	$283
Denver Chicago	Outbound 04/03/26 direct UA1377 02h 28min	Return 04/16/26 direct UA1342 02h 33min	United Airlines	?	$290
Denver Chicago	Outbound 04/03/26 direct F93172 02h 27min	Return 04/16/26 1 Stopover (MSP) SY0262, SY0657 22h 53min	Frontier Airlines	?	$327
Denver Chicago	Outbound 02/13/26 1 Stopover (ATL) F93600, F93397 08h 53min	Return 02/26/26 direct F93173 02h 59min	Frontier Airlines	?	$352
Denver Chicago	Outbound 02/13/26 1 Stopover (ATL) F93600, F93397 08h 53min	Return 02/26/26 direct F93173 02h 59min	Frontier Airlines		$353
Denver Chicago	Outbound 02/13/26 1 Stopover (ATL) F93294, F91441 08h 50min	Return 02/26/26 direct F93173 02h 59min	Frontier Airlines		$362
Denver Chicago	Outbound 04/03/26 direct F93172 02h 27min	Return 04/16/26 1 Stopover (JFK) B62106, B60097 08h 53min	Frontier Airlines	?	$390

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

Useful information about the flight from Denver to Chicago

Flights from Denver to Chicago

With between 219 and 25 flights per day, the flight route from Denver (DEN) to Chicago (CHI) is always well frequented by a wide variety of travelers. Scheduled, charter as well as low-cost flight providers see to it that the air traffic between the cities stays srtong. The direct flight takes about 2h 20, covering a distance of 1 000 miles. Non-stop flights are provided by American Airlines, United Airlines, Southwest, Frontier and Spirit.

Cheap flights from Denver to Chicago

The cheapest way of getting to Chicago, as with any flight comes down to from booking really early and avoiding holidays and school vacation periods.

Destination Chicago

Passengers can fly into any one of the Chicago airports - Chicago Midway International Airport (MDW), O'Hare International Airport (ORD), West Chicago Du Page (DPA) etc., with O'Hare being the most popular, in part because of its size and efficiency. Aside from various ways of getting to and from the airport such as buses, shuttles ant taxis, the airport is unique in having a few bike lanes leading to the city.

Important flight information

Flight information: Denver - Chicago

Roundtrip from	US$ 258,60
Flight duration	min. 02:10 / max. 10:50
Return flight duration	min. 02:38/ max. 09:35
Distance	1450 km
Flights per week	275
Departure airport	Airport Denver International Airport, CO (DEN)
Arrival airport	Airport Chicago-IL, all airports (CHI)
Destination country	Flights to United States

Our cheapest offers for flights from Denver to Chicago

Denver International Airport, CO

Chicago-IL, all airports