Our cheapest offers for flights from Chicago O'Hare to Denver

Here you can compare cheap flights from Chicago O'Hare (ORD) 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 O'Hare Denver	Outbound 07/02/25 direct F91483 02h 49min	Return 07/25/25 direct F93174 02h 38min	Frontier Airlines		$146
Chicago O'Hare Denver	Outbound 07/02/25 direct F91483 02h 49min	Return 07/25/25 direct F93174 02h 38min	Frontier Airlines		$156
Chicago O'Hare Denver	Outbound 07/02/25 direct F91483 02h 49min	Return 07/25/25 direct F93174 02h 38min	Frontier Airlines		$160
Chicago O'Hare Denver	Outbound 07/02/25 direct F91483 02h 49min	Return 07/25/25 direct F93174 02h 38min	Frontier Airlines		$166
Chicago O'Hare Denver	Outbound 10/18/25 direct F91483 02h 49min	Return 11/17/25 direct F93172 02h 31min	Frontier Airlines	?	$170
Chicago O'Hare Denver	Outbound 09/04/25 1 Stopover (DAL) WN3155, WN2745 06h 20min	Return 09/28/25 direct AA2451 02h 50min	Southwest Airlines	?	$180
Chicago O'Hare Denver	Outbound 09/04/25 direct F91483 02h 41min	Return 09/28/25 direct F93172 02h 31min	Frontier Airlines		$182
Chicago O'Hare Denver	Outbound 10/10/25 1 Stopover (LAS) F92145, F91994 07h 07min	Return 11/04/25 direct F93172 02h 31min	Frontier Airlines		$201
Chicago O'Hare Denver	Outbound 09/04/25 direct F91483 02h 41min	Return 09/28/25 1 Stopover (MSP) SY0652, SY0261 07h 18min	Frontier Airlines		$202
Chicago O'Hare Denver	Outbound 09/23/25 direct AA2363 02h 44min	Return 09/30/25 direct AA2622 02h 48min	American Airlines	?	$204

Important flight information

Flight information: Chicago O'Hare - Denver

Roundtrip from	$145.01
Distance	1428 km
Departure airport	Airport Chicago O'Hare International Airport, IL (ORD)
Arrival airport	Airport Denver International Airport, CO (DEN)
Destination country	Flights to United States