Flights from Denver to Chicago O'Hare

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

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

Outbound Return Airlines Shop Baggage Price
Best option
Denver
Chicago O'Hare
Outbound
02/13/26
direct
UA0377
02h 29min
Return
02/26/26
direct
UA2296
02h 51min
United Airlines ?
$259
Denver
Chicago O'Hare
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 O'Hare
Outbound
02/13/26
direct
UA0377
02h 29min
Return
02/26/26
direct
UA2394
02h 39min
United Airlines ?
$268
Denver
Chicago O'Hare
Outbound
02/13/26
direct
AA2514
02h 09min
Return
02/26/26
direct
UA2296
02h 51min
American Airlines ?
$283
Denver
Chicago O'Hare
Outbound
04/03/26
direct
UA1377
02h 28min
Return
04/16/26
direct
UA1342
02h 33min
United Airlines ?
$290
Denver
Chicago O'Hare
Outbound
04/03/26
direct
F93172
02h 27min
Return
04/16/26
1 Stopover (MSP)
SY0262, SY0657
22h 53min
Frontier Airlines ?
$327
Denver
Chicago O'Hare
Outbound
02/13/26
1 Stopover (ATL)
F93600, F93397
08h 53min
Return
02/26/26
direct
F93173
02h 59min
Frontier Airlines ?
$352
Denver
Chicago O'Hare
Outbound
02/13/26
1 Stopover (ATL)
F93600, F93397
08h 53min
Return
02/26/26
direct
F93173
02h 59min
Frontier Airlines
$353
Denver
Chicago O'Hare
Outbound
02/13/26
1 Stopover (ATL)
F93294, F91441
08h 50min
Return
02/26/26
direct
F93173
02h 59min
Frontier Airlines
$362
Denver
Chicago O'Hare
Outbound
04/03/26
direct
F93172
02h 27min
Return
04/16/26
1 Stopover (JFK)
B62106, B60097
08h 53min
Frontier Airlines ?
$390
Prices based on recent searches, subject to last-minute changes
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Important flight information

Flight information: Denver - Chicago O'Hare

Roundtrip from $ 258,60
Distance 1428 km
Departure airport Airport Denver International Airport, CO (DEN)
Arrival airport Airport Chicago O'Hare International Airport, IL (ORD)
Destination country Flights to United States
Alternative routes to United States
Alternative flights to Chicago O'Hare
Flight destinations with a similar price
Flight destinations with a similar price